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Find a local house extension specialist

If you've outgrown your home or lack the space to accommodate guests, consider a house extension rather than moving. Find out how you could rejuvenate your home with the help of a local specialist.

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Take a look at our House Extension specialists profiles, read reviews and request quotes directly.

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Working with our customers to create their ideas into reality!

Latest homeowner review

Reviewed by Ann on 26/5/2022

Superb work team were friendly and helpful offering great advice. They kept everything clean, tidy and were on time throughout the project. I would definitely use them again and recommend to anyone.

Thank you for considering PG Home improvements. We are a caring, concentious and skilled company that undertakes all home improvements... from small repairs 2 larger extensions and conversions. On every job we do as we say. We strive for repeat business

Latest homeowner review

Reviewed by James on 22/4/2022

Couldn’t be more pleased with Paul and his company! We are thrilled with the finished work which has exceeded our expectations! Having been given a fixed price at the start, he has honoured the commitment with no hidden extras. Paul has always communicated well during the build. All the tradesmen on site have been a pleasure to work with. The quality of the work has been excellent. Nothing is ever too much trouble.

Property Maintenance.

Latest homeowner review

Reviewed by Caroline on 21/6/2022

Thank you to Chris and his team for their hard work relaying my patio and making it look like new. They also removed all the weeds from my driveway and relayed the gravel. I would recommend the team

We are small family run business providing building and landscaping, in Great Yarmouth & Norwich, sourounding areas, with in the company there’s over, 8 years experience if different parts of the trade,

Latest homeowner review

Reviewed by Jacquie on 4/4/2022

Brilliant service - Tried hard to fit me in when really busy which I appreciated as many builders didn’t even bother quoting ! Really clear and fair payment process with payment schedules making me feel safe handing over funds. Finished the loft conversion this week and looks lovely .. really pleased would recommend and would use again- above all - lovely personable guys (especially Cameron and Dan)

Hi, we are a general building company undertaking all aspects of building work. We specialise in extensions and associated external landscaping. With more than 25 years experience in the construction industry. We are able to call on a large working history within the civil engineering and groundwork domains and offer our clients peace of mind regarding all structural matters including different types of foundations and the placement of structural steel beams when our customers seek that open plan look. We can also carry out garage, basement and loft conversions. We can work to your drawings or supply you with a design and build service. Kitchens, bathrooms, flooring and general maintenance services are also available. Yours sincerely, Mr J Lilley Director- StoneOak construction

Latest homeowner review

Reviewed by Sue on 2/3/2019

Jay of Stoneoak Construction Ltd provided exceptional service with real value for money. Using skilled trades people he kept us well informed making sure we were happy throughout. Our porch has met our expectations and we are thrilled with the quality and finish. We highly recommend using this conscientious and experienced building company.

Triple Check Properties Ltd is a highly professional company in the North West providing property refurbishment and maintenance services across Manchester, Liverpool, Lancashire and Cheshire. Our areas of expertise include all aspects of property refurbishments, hmo & single let management and maintenance. We offer fast, efficient and professional services to all of our clients. Whether it refurbishment or maintenance that you’re after, Triple Check can support you with a guarantee of 99.99% customer satisfaction. We are ready and happy to take on any of your project.

Latest homeowner review

Reviewed by Jim on 24/6/2022

Communication was excellent from start to finish and the standard of work was great for a competitive price. Will use again. Jim

General builders,kitchens,bathrooms,plumbing,extensions,roofing etc

Latest homeowner review

Reviewed by Colin on 21/5/2021

Dougie and his team came to our house to completely renovate a bathroom and a downstairs toilet (that wasn't even in use as a toilet at the time). He gave a fair quote for labour and materials. His team worked really hard (without rushing the job). We always felt in safe hands with this team and any extra bits and pieces of work that came up as the job proceeded were charged fairly once agreed upon. They were respectful and tidy. The standard of work was really good. We love our new bathroom and toilet.

East Anglian Services Ltd have been trading in the building industry since 1990 and has been the family trade for over 30 years, we are a family run company that combines both new and old techniques to form a superior level of bespoke construction skills. Throughout the years we have undertaken every aspect of construction across Norfolk. Our unique skills and elite project management services provide customers with a complete package, we provide fully detailed quotations listing every detail of the work to be undertaken, we also work consistently to one project at a time assuring our dedication to each customer. We guarantee all our work to the highest standard and work with a reputable group of trusted tradesmen to achieve our known expert status, we possess a generous list of former customers that would be more than happy to provide detailed references for potential customers within the future. We offer a free consultation and estimating service. So if you’re looking for an established, local and reliable Building Contractor to take on your dream project or just need a small job completed get in touch. From new builds and extensions to garage or loft conversions, including kitchens, bathrooms and much more.

Latest homeowner review

Reviewed by Ernie on 17/9/2020

Superb workmanship , cleanliness and value . Came in on budget and timescale and would have no hesitation in recommending them to others. A big thank you to Andrew and his team !

Bramhill construction is a privately owned building company with over 20 years experience. Fully qualified, insured and registered members CSCS. Cob, Lime and Stone Laying, Eco Buildings, Barn Conversions / Extensions, Re-pointing Listed Buildings, ...

Latest homeowner review

Reviewed by Adrian on 15/4/2020

Worked well for me, recomend.

J R Griffiths roofing we specialise at 're roofing, slate tiles and leadwork. also chimney work undertook. Rubber roof and also grp

Latest homeowner review

Reviewed by Oswyn on 7/11/2020

Highly recommended, job done on time and at quoted price. Very happy

WE ARE FAMILY RUNNING BUSINESS WE ARE PROVIDING TOP QUALITY WORK AND FARINDLY CUSTOMERS SERVICES WE ARE ESTABLISHED SINCE 2017. BATHROOM / KITCHEN FITTING . WALL FLOOR TILING. PLASTER / SKIMMING / PAINTINGS. WALLPAPERS ???? DECORATING. ROOMS. OUR ANY BUILDER WORK INSIDE OR OUTSIDE.

Latest homeowner review

Reviewed by Diane on 25/2/2022

did the job well re shower tray that was leaking. iwas let down by a coupie of other traders , but JozsefBUILDER AND TILING came out said they could do the job quoted me avery reasonable price, .fixed the leaking shower tray and were very efficient and polite would definetly reccomend them and would hire them again

Floem Renovation LTD is the group of professional, qualified trade workers, with many years of experience on most of the fields around property maintanance, improvements and renovations. Focused on the best customers experience. We are specialised with Bathrooms and Kitchens renovations projects, also doing whole house makeover projects. Free quotes. Fully insured

Latest homeowner review

Reviewed by Roopesh on 23/5/2022

Very happy with the work. Will recommend to anyone

WK CONTRACTORS LTD undertake all aspects of building work from plastering a single ceiling or wall to a full house renovation. We also offer home refurbishment, rendering, new build, renovation and home extension work which can include joinery, plumbing and electrics alongside our high quality plastering and finishing service. 

Latest homeowner review

Reviewed by Debbie on 16/5/2022

The team turned up as promised and worked solid all day to get the job finished. They were polite at all times and delivered exactly what we asked for. We will be using them again for other work. Paul YO25

Your Local Company For Loft Conversions, Extensions & Renovations Versia Homes strive to bring out the best in your house. From giving you that much needed extra bedroom for your growing family to the kitchen extension you deserve. Versia Homes are there to be your partner in guiding and building the home of your dreams. Proudly Serving: Staines, Ashford, Laleham, Egham, Chertsey, Addlestone and Surrounding Areas

Latest homeowner review

Reviewed by Amy on 1/11/2012

Left with a few problems but overall good work and quick.

I have been in the construction industry for over twenty years self employed and before that employed by others. I pride myself in giving good solid advice as well as producing a quality job which I’m proud of and that the customer expects. I am a Dulux Select Accredited Decorator and all work is guarenteed by Dulux for two years. I have Public Liability Insurance to the Value of £5m. I have been a Decorator since 1999 and take a pride in my work and take customers requirements very serious and aim to give them the benifit of many years experience. Plus as part of my business i employ a range of other skills including electrician plumber, roofers and builders etc.

Latest homeowner review

Reviewed by richard on 27/4/2022

We are a groundwork’s and building company with 20 years experience

Latest homeowner review

Reviewed by Audrey on 8/12/2020

Jay and his team connected our garden house to the water supply and sewer network. They worked fast and did a very good job. Our terrace looks better now than before! The quote was honest for the amount of work. I really recommend them.

CHRIS NWL CONSTRUCTION LTD is an professional refurbishment and construction contractor with many years of experience in construction industry. We are building company specializing in solutions for your Painting, Decorating, External Solid Home Insulations, House Refurbishments and Extensions. Providing free quotations with guaranteed customer satisfaction.

Latest homeowner review

Reviewed by Paul on 8/4/2022

Chose these guys for my house extension. Chris and his workforce are very organised with good planning skills and they’ve been making sure our needs have been met all along the way. Really recommend for any kind of building work.

17 years of experience of construction industry.Educational training at Industrial High School.

Latest homeowner review

Reviewed by Abhijith on 23/1/2020

He was excellent and the only trade person who was able to confidently say that he could build this toilet and delivered it on time. Not only that he also helped us with other fittings around the house with minimal charges. He is definitely a go to person for any of our future building works

My name’s is John and I’m the owner of EAGLE SERVICE company. I’m a handyman based in Pokesdown and cover Bournemouth, Poole ,Christchurch & around area offering a friendly, reliable and honest service. I have worked in the building & property maintenance sector for the last 18years, dealing with most household jobs from the minor (electric,plumbing,carpentry ) to complete renovation of flats and houses. If it's a job that you can't do yourself or need advice don't hesitate to get in touch with me!!

Latest homeowner review

Reviewed by James on 8/6/2022

John is a fantastic professional and I recommend him highly. His work on our lean-to extension was completed quickly and to an excellent standard. He is an incredible nice man as well.

We are a company with experience in domestic installers we offer all type of general building services.You can be assured that your job is in the safe & professional hands! FREE estimates and call out of charge.Visit us on Facebook for more info: @2BROTHERSCCONSTRUCTION. Thank you!!!

Latest homeowner review

Reviewed by Elias on 31/1/2022

We're so delighted that we went with TBC. TBC completed major works on our property - structural works, full electrics/re-wiring, plumbing, tiling, decorating, new flooring, new bathroom etc. etc. TBC were so professional throughout and had all the relevant knowledge with regards to certificates and approvals needed. They worked incredibly hard and to the highest quality. They have been readily available to come over and finish off the final snags. We look forward to working with TBC again for our loft!

We offer 24/7 solutions to all your property maintenance needs, whether it’s a small task such as assembling a desk or a seemingly daunting full house refurbishment. It is our extensive experience within the industry, combined with passion, innovation and dedication that makes our clients choose us for all maintenance or building services required. Our professional staff will guide you from your first encounter with us all the way to billing and subsequent repairs and we guarantee that you will look nowhere else for assistance!

Latest homeowner review

Reviewed by Tom on 19/5/2022

The team did a brilliant job plastering our new room. They did it on time and to budget. Definitely recommend

Osborn Builders. local building company where quality and customer satisfaction is our priority. We specialise in extensions Garage conversions and alterations.

Latest homeowner review

Reviewed by Brenda on 2/4/2022

Did the job more quickly than anyone else which was my priority. Thanks again

Over 20 years experience in all aspects of the building trade. Bricklaying, Groundwork's,complete restoration. I pride my business on customer care, and aim for 100% customer satisfaction. PTS construction will provide qualified experienced and honest tradesmen

Latest homeowner review

Reviewed by Carol on 27/1/2016

Pleasant man, good at his job.

Our company was established in UK 9 years ago,Before that we have worked in Portugal,France.We are experienced in refurbishment work,all carpenter work,bathroom fitting,all kinds of external insulation and rendering finishes.We are all certificated.Our work is supported with references. We will do our best to satisfy everyone with the quality of the work we can offer.

Latest homeowner review

Reviewed by David on 20/6/2022

How refreshing!! Slavi did exactly what he said he would do, from expressing an interest to leaving the site clean and tidy. Would highly recommend Slavi and his team for a rendering project.

New Era Property Solutions are a small family business with more than thirty years experience in construction and hard landscaping. We provide a wide array of high quality services for home and garden throughout Somerset, Devon and Dorset allowing us to maintain quick response times and competitive pricing. We specialise in small scale property development and refurbishment, barn conversions, extensions, garage conversion, conservatories and general repairs. We also undertake all aspects of hard landscaping including fencing, decking, pergola's, feature and retaining walls, patios, block paving, pond construction and water features. We also install low maintenance garden features such as artificial grass and decorative gravelled areas. If you need additional help turning your ideas and dreams into reality we can introduce you to a highly regarded designer/draughtsman and an outstanding landscape garden design service. We pride ourselves on our reliability, quality workmanship and attention to detail, much of our work is from repeat customers or recommendation. So if your not happy neither are we! We provide free estimates, detailed transparent quotations and comprehensive advice with a no quibble twelve month guarantee on all work undertaken,with no job too big or too small.

Latest homeowner review

Reviewed by Mavis on 20/2/2021

Very pleased with all the work that was carried out by Jake. He listened to what I wanted, made suggestions, was polite at all times and left everything neat and tidy. Would be more than happy to recommend this company.

The renovation company based in Crawley, West Sussex. Specializing in all types of interior work. Decoration & Skimming &Wallpapering. Bathroom refurbishments. Kitchen refurbishments. Full house refurbishment. Real Wood & Laminate & Vinyl Flooring. New Plumbing installation & old Plumbing maintenance. Walls removals & RSJ inserting, Rooms reconfiguration. Any project sizes /from small to big/ are Welcome!! High quality with minimum hassle.

Latest homeowner review

Reviewed by Nadeem on 7/5/2022

I found the people for SkyDeco to be knowledgeable and professional that worked very hard to meet targets. I would recommend SkyDeco to my family and friends. SkyDeco deserve a 5 star rating.

Latest homeowner review

Reviewed by Abid on 9/1/2016

Very helpful.

spacewise Construction jobs we do extension loft conversion basements plumbing electrician plastering painting and decorating tiling carpentry

Latest homeowner review

Reviewed by Oliver on 9/11/2018

Alex is a hard worker and a consummate professional. He did a terrific job in our bathroom in a timely rate and at a very competitive price. He was also very accommodating to our needs - whatever we asked, he kindly granted! Very honest, very open... He clearly takes great pride in his work and will never let his client down. 10/10

We are a small company based in Sunderland,we cover all building work including extensions,loft conversions,kitchens,bathrooms and full refurbs

Latest homeowner review

Reviewed by Lisa on 3/6/2021

Really pleased with the job that Steve and his team carried out. We had windows and a back door replaced as well as a full kitchen re-fit. All the work was done to a high standard by friendly reliable tradesmen. I would highly recommend SB builders.

We make any tipe of brickworks, lofts, extensions and fence!

Latest homeowner review

Reviewed by Dan on 19/6/2022

Helped me when another company let me down and left the job unfinished. I'm very grateful and will use again.

With over 30 experience in building and property maintenance, our aim is to complete the works on time and in budget. From dry rot to a new roof or full property re-fits and landscaping. we never turn away customers.

Latest homeowner review

Reviewed by Terry on 26/4/2021

Came to assess job. Quote promised that evening (21 April). Nothing heard since despite follow up attempts to contact by phone and message. Very disappointed.

We offer high quality building and maintenance services across London

Latest homeowner review

Reviewed by Diego on 12/5/2021

Andrei and his team did a few works for us including a chimney breast removal, opening of a doorway, rubbish removal, installation of 13 lockers in my yoga studio (on going), plus plastering, tiling and cap off radiator pipes. They will do fencing and some flooring for us in the coming weeks. I am very happy with their work and quality.

family business for over 25-year a quality job for an affordable price

Latest homeowner review

Reviewed by Ian on 26/1/2022

No one has the courtesy to even reply

Here at F.Scott Roofing and Roughcasting we are highly experienced & highly qualified tradesman. My name is Fraser Scott, owner of of the company. I am a fully qualified roofer & roughcaster with an svq level 3 & sqv level 4 advance roofing.

Latest homeowner review

Reviewed by Kevin on 3/6/2022

Excellent turnaround on the work. Fraser came quickly for initial survey with good discussion on scope and followed up with reasonable quote. Mobilised team quickly and completed the job within the day. Communications very good and photo confirmations also shared of work done. I am very pleased with the repairs.

Small family run building company with over 40 years experience over 2 generations as a premium general building company. All types of building work carried out to the highest standard. A one stop shop for all your building needs right from the design and planning stage to completion. Joinery, roofing specialising in flat roofs Building and Plastering A wealth of experience in remodelling and renovations, extensions and sunrooms. Landscaping and paving. All areas covered. Fully insured, trained and certified tradesmen

Latest homeowner review

Reviewed by david on 17/4/2022

Paul from apex was true to his word from a start date to finish date and done a fantastic job very happy with his work ,and recommend apex for any brick driveway work . THANK YOU.

London Development uk ltd is our company, we have been trading for over 12 years in the construction business. - We are a fully insured company with a big portfolio of jobs completed and we are friendly and reliable on any work and business that is coming across. - We can do big jobs as new buildings or full refurbishments, basements, extensions, lofts conversions etc and also we can do small jobs as bathroom refurbishments or even smaller is always space and time for a new job. - We guarantee you that you will get the best workmanship on your job with best skills and acknowledge in the construction industry, time effective and costly effective for customers. Try our company and you will gain the benefits!!!

Latest homeowner review

Reviewed by Angela on 20/2/2021

Seriously so impressed by professionalism, work ethic, quality of work, expertise and advice when i was designing my bathroom. I really cant fault ANYTHING about Peter and his team. Very respectful with my home, they prepared the areas to limit the mess and then at the end of the job, they left the area clean and tidy. I would recommend this company to anyone, and i will definitely be using again - 5 STARS

HELLO. MY NAME IS GRIGORE CHIS A MULTI TRADESMAN WITH MAIN TRADE CARPENTRY, JOINERY WHO WORKS IN PARTENERSHIP WITH 4 OTHER PROFESIONALS. WE COVER A LARGE RANGE OF TRADES LIKE CARPENTRY, ELECTRICITY, TILING, PLASTERING, PAINTING, PLUMBING.

Latest homeowner review

Reviewed by Ian on 24/9/2021

Professional finish and completed quicker than expected. Will use again for sure. Thanks Grig.

Latest homeowner review

Reviewed by joseph on 29/10/2020

The rating for the roof leek above the garage. Very well examined. . good materials used and efficiently repaired. Polite and quick service, Thank you , Anna

All aspects of work are carried out to a high standard working alongside clients to insure all needs are catered for.

Latest homeowner review

Reviewed by Sarfraz on 12/9/2020

Very unreliable- Disappointed because they agreed on a price and time scale.Dropped tools and then never showed up. Called and agreed to come but again never showed up. Took all his tools away the following day without informing us leaving a lot of mess in the garden.

JW Construction Joinery Building Roofing We are members of the Lancashire SafeTrader, Trust a Trader, Competent Roofer, we can self certify all our projects to building control, All our work is carried out to the highest of standards.

Latest homeowner review

Reviewed by Faruk on 29/10/2019

Very quick response and attended job on time as promised. He was polite and completed the work in time.

Best choice contract to Ltd we specialise in top and quality construction project in Wiltshire and London we cover all areas of building work from renovation and extension and conversion through to entire managed construction project whether you want a larger kitchen open plan living area and extra bedroom a house extension we could take you one step closer to having the home of your dream we work throughout Wiltshire and London area providing reasonable price quality construction and building services to a wide range of satisfied clients we pride ourselves on our reputation by offering a high standard of workmanship friendly and professional advice and making your project with us as hasslefree as possible Valentino

Latest homeowner review

Reviewed by Pranav on 7/11/2019

Valentino has done a fantastic job of bathroom and kitchen refurbishment. He has delivered what he had promised no hidden charges and no false promises. Very reliable and soft spoken. He uses the best material in the market so quality of product is very good. He did the facia as well which is also of very good specifications. Overall he is a fantastic builder and I would 100% recommend him.

GARAGE CONVERSION SPECIALISTS with a vast portfolio and customer base, our company has been established 10 years. Fully insured, all employees and sub contractors cscs trained/qualified. All works completed to a high standard at competitive prices

Latest homeowner review

Reviewed by Frances on 9/6/2022

Will comment when work completed

My company does all types of roofing work, building work and lead work ,flat roofs ,Firestone rubber,rebuild chimney stacks, tree work, fencing ‘n’ decking also artificial grass (dig outs and fitting) etc. *24-hr CALL OUT*

Latest homeowner review

Reviewed by Dennis on 16/6/2022

Fantastic work good friendly team

Family running business based in Gravesend. Our priority is excelent service and satisfide customer. Top quality work is our trademark. Specialised in all type of build work with very expirienced team. Plenty of references form our previous satisfied clients. In need of top quality builders? call for more informations.

Latest homeowner review

Reviewed by Mark on 12/11/2019

Looking forward to our next build with Bogdan and co. Highly recommended team of builders who go above and beyond to make sure you are happy!

RJG Carpentry offers a professional , friendly, reliable service at very competitive prices all in one package to improve your home or business, WHY MOVE? JUST IMPROVE! All aspects of carpentry and building works undertaken

Latest homeowner review

Reviewed by Amber on 26/7/2017

Rob and his team were fantastic. Rob's pricing and quote was completely transparent and fair. Whenever he came up against unexpected issues, he was quick to problem solve and we really valued his guidance. We are delighted with our new playroom, utility room and shower room.

I am a builder with many years experience in home improvement an specialise in carpentry, plumbing and electrics. I am proud of my work and I want you to be too.

Latest homeowner review

Reviewed by Marvin on 3/11/2020

Csaba and his team are fantastic. They completed the work within the timescale agreed to a high standard. Csaba communicated very well and suggested solutions to issues that arose during the project. They have all the required tools and take care in clearing the property down each day. I have a second project which I will use Csaba and his team.

With over 35 years of experience, Harrogate Builders aim to provide a professional and considerate service, at a competitive quality and cost. with many areas of expertise we can offer a complete service from start to finish no matter the job.

Latest homeowner review

Reviewed by Hayley on 17/4/2021

Ian and his team demolished our old stone garage and erected a beautiful new stone garage and wall using stone from the site. They undertook the work in often terrible weather during the winter, but just got on and delivered for us. The site was kept tidy throughout the build as well. We would happily recommend Harrogate Builders to anyone looking for quality work.

I have more than 10 years of experience as a professional electrician and have recently joined with RatedPeople. I also have public liability insurance with NICEIC and I am registered with Part P. Safety and reliability is key to my business among with professional high quality, tidy work. No job is too small or too large and all jobs are tackled in the same professional manner for all customers. I specialise in all types of electric work, including domestic and commercial work, from changing a socket to a full house re-wiring in any house or facility; The work I do includes: Full rewiring Consumer units Fault finding Underfloor heating Smoke alarms, carbon monoxide detectors Inspection and testing Installing sockets, lights, extractor fans, doorbells Electric showers, electric cooker , electric heating, etc. Feel free to contact me for any other work not listed above. I addition to the above I also undertake general building and carpentry work such as fitting doors,laminate flooring,brickwork and stud walls, bathroom and and general plumbing and all your property maintenance requirements. I hope to hear from you soon.

Latest homeowner review

Reviewed by Jag on 18/5/2022

Work ok but did not finish what I paid him for. Hopefully he will come back.

We are Two Brothers Refurbishment, if you are thinking in starting your own domestic or commercial project improvement,then please do not hesitate to contact us, we will be only to happy to help. Extension&Loft Conversion Internal Renovation&Reconfig.

Latest homeowner review

Reviewed by Elise on 13/1/2022

Saby and his team were incredible to work with. They brought brilliant suggestions and were able to adapt the remodel to our flat which is old and therefore not straight or symmetrical. They were efficient and quick in doing the job but still paid close attention to the details. Would highly recommend them.

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House Extension specialists - what you need to know

House and kitchen extensions can transform your property, and add significant value in the process. While they are demanding projects, with the right set of skills and expert knowledge, a specialist can make sure your extension runs smoothly and stays within budget.

But experience and attention to detail are crucial. Just think for a moment about the individual stages and trades involved in a house or kitchen extension. Planning and design, groundwork, brickwork, carpentry and joinery, electrical work, plumbing, plastering, decorating, potentially even roofing and glazing too.

Taking on a house or kitchen extension needs a specialist with a solid track record of transforming their customers’ homes to a high standard, as well as someone who can advise you along the way. An extension can be as much an emotional investment as a financial one, so you need a builder you have confidence in.

Look for a tradesperson or builder who is able to confidently and clearly communicate how they’d approach your project, rather than someone who’ll just “turn their hand” to the varied and unique trades involved.

A reliable and reputable extension specialist will give you a thorough plan for the project: how they’d assist you with the design and layout, the key phases and trades involved, a realistic completion date, and an accurate quote (which they’ll stick to).

Overall, it’s important to consider the scale of the project. Remember, you’re looking for a project partner rather than just a tradesperson.

Cost of house and kitchen extension work

Cost per m2

  • Low: £1,200 per m2
  • Average: £1,500 per m2
  • High: £1,750+ per m2

How long does a kitchen extension take?

Ultimately, this depends on the scale of the project in question and the specification or finish you expect your extension to meet.

A basic single-storey kitchen extension could be turned around in 10 weeks, whereas a more-involved project could take 14 weeks or longer.

How long does a house extension take?

House extensions are usually larger projects – indeed, they could even feature a kitchen as part of the extension.

A two-storey extension consisting of a kitchen or WC on the ground floor and a bedroom on the first floor is likely to take at least 12 weeks to complete, while a larger-scale project with more rooms, floors or intricate features could take 18 weeks or more.

The qualifications your extension specialist needs

Given the breadth of trades that may be required to complete an extension, there can be a number of qualifications and accreditations involved.

The Federation of Master Builders (FMB) is an established and reputable association, but not every builder will be a member. Some trades will be able to produce their City & Guilds or NVQ qualifications, but as these aren’t formally required, plenty of perfectly competent professionals might not necessarily hold these.

However, there are some qualifications that are mandatory for certain types of work. Gas and heating engineers must be Gas Safe registered, while electricians should be signed up to NICEIC in order to commission your electrical work. You may also want to check that your builder adheres to Health and Safety Executive (HSE) best practices when it comes to risk assessment and safe working.

Planning permission for extension projects

Planning permission requirements will vary according to the location of your property and the surrounding buildings. There’s always the potential for grumpy neighbours to throw a metaphorical spanner in the works too.

Official guidelines are fairly easy to understand, but can include puzzling intricacies. No additional planning permission is required as long as the extension doesn’t exceed more than half the area of land around the "original house". You also won’t need to seek additional permission if your extension is no higher than your existing roof.

However, there are some restrictions it’s worth being aware of. You can find the full list on the planning portal website. Single-storey rear extensions, two-storey extensions and those conducted on properties facing a public highway will need to adhere to certain limitations.

Insurance for extension projects

Public liability insurance is critical, covering you for damage to your property caused by a builder. However, you’ll want to confer with your home or buildings insurance provider and let them know about the work to ensure you’re covered, too.

Home renovation and extension insurance is available from some providers, which may be worth investigating if your existing insurer can’t cover your work. Some builders may provide a warranty on their work too.

Questions you should ask your extension specialist

  • Will they provide a copy of their public liability insurance?
  • Can they provide a warranty for their work?
  • Do they have examples of their previous renovation projects?
  • Can they give you multiple references of recent extensions they’ve completed?
  • Are they willing to assist with the planning and design phase?

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Recently completed jobs

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Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: kitchen Single storey kitchen diner, lean to construction....

1 story extension 3.5m back...

1 story extension 3.5m back and 6m across. Sloped roof

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: kitchen, lounge/living room Ground floor extension to...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: lounge/living room Hi there, I am thinking of buying a...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: bedroom(s) Need to build a attached room I'm not sure if...

Ground floor extension

I want to extend 3m at the back of my house with tiled roof, remove one partition wall, one chimney breast and remove current 1.5M extension on half...

convert conservoratoy to...

we have an old wooden conservatory that needs rebuilt as part of an extension to the house. the size is 3.5 m x 3m. We are looking for quotes.

single storey kitchen...

single storey kitchen extension area 20sq metres

2ff single story extension on...

2ff single story extension on kitchen at a bungalow

lounge extention to the side...

lounge extention to the side of the house.

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