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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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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 Neil on 1/10/2020

After several quotes and careful consideration we decided to go with SB Construction. Before making our decision Steve was always available to answer any questions I had relating to the build. Couldn’t be more pleased with the work that has been undertaken by Steve and his lads. Special mention must go to his plumber who’s name escapes me but he’s a credit to Steve’s business. We’ve already recommended Steve to two of our friends and wish him and his business all the luck going forward.

Welcome to EXTENSION SPECIALIZE LTD, a , family run, local business that you can rely on. We are a team of skilled and able tradesmen who love a good challenge. Whether your job is large or small, indoors or outdoors, private or commercial, we are confident that we can deliver it with speed, cleanliness, excellent workmanship, quality materials and as a bonus, at an affordable price. ? Do you have a tap that's been dripping for years? Maybe you bought loft insulation and never had the time to lay it? When you build your flat-pack furniture do you spend most of your time scratching your head? Or have you saved for a complete interior or exterior makeover but don't know where to turn? ? EXTENSION SPECIALIZE provides you with a 'one stop shop' for all your property needs. We provide maintenance, repair and improvement services to homeowners, tenants, landlords, letting agents and commercial clients. Best of all, we are equally at home fixing small items on your 'to do' list as we are completing larger projects LIKE NEW HOUSE

Latest homeowner review

Reviewed by Stephen on 23/3/2020

Great job, great value for money and a top quality finish. All works conducted in good spirit and all the team were all very polite and helpful.

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 Jill on 16/7/2020

Efficient and knowledgeable in all aspects of roofing and coverings. Very professional.

TLT Finishing & Building Services Ltd offers multi trade services. We are a family run company with 15 years+ experience in the industry and specialise in building works, bathroom fittings, extensions + K Rend. We care about the finer details and strive to provide you with the best experience when it comes taking that next step in creating your perfect home. We are a registered limited company who are fully insured, we also offer 24/7 support + after care so you can put your mind at ease. Please get in touch, we'd love to hear from you!

Latest homeowner review

Reviewed by Zac on 11/7/2020

An outstanding group of workers. Not only did they finish this complicated, fiddly job ahead of time but also under budget. They were clean and tidy, punctual, informed me what they were doing at every stage. I highly recommend them. Thank you.

We are a well established building company based in Lincoln covering most of the U.K. We specialise in providing a very high standard of workmanship with a finish you can call home. We are a well established building company, with a growing number of repeatable clients. We are fully insured, experienced and qualified with all the work we undertake to ensure of finish product is at its best standard.

Latest homeowner review

Reviewed by Gini on 28/7/2020

Chris and the team built a 4.4m by 6m extension to our property, a summerhouse, moved a large spa housing, laid patio areas, installed fencing, trellising and arch, and prepared our garden for turfing during the pandemic. Despite the challenges of social distancing, ability to hire equipment and obtain materials, Chris kept us informed at all stages of the build. Workmanship and build quality is fantastic! We have had them back to install additional fencing and would not hesitate in recommending Chris !

35 years experience in building and maintenance, fully insured, qualified engineer and project manager. All maintenance and repairs to property and gardens. Extensions, new builds and surveys. All trades provided. Collections, deliveries and removals. Personal assistant services, errands, small jobs.

Latest homeowner review

Reviewed by Gerry on 26/10/2020

Great job of removing 7 tree stumps and roots. Concrete base for greenhouse spot on. Worked really flat out. Would certainly contact again if I needed any jobs done. A pleasure from start to finish.

Here at Mavion Group we welcome you all. We have over 10 years experience within the building trade and are well respected within the area. Our skilled tradesmen are more than willing to go the little bit extra to ensure you get exactly what you want and more. We are proud of the service we offer which is why we are recommended time and time again. We pride ourselves on the high level of service, professionalism and expertise we offer, all of which can be seen the work we produce.

Latest homeowner review

Reviewed by Raimee on 19/1/2020

Marcel and his team were great. We did a kitchen extension, underfloor heating with new flooring, new cloakroom and new fitted kitchen. Marcels attention to detail is great, me and my husband are very OCD with details and Marcel lived up to our expectations. His team have a variety of skill sets with some more skilled then others. Since finishing work we are waiting for Marcel to arrange certificates etc as he is very busy but also reliable so not concerned.

Small company with over 12 years experience that undertakes all building works, operating on residential and commercial sites, references provided when required.

Latest homeowner review

Reviewed by T on 26/10/2020

BFG construction did a fantastic job on my flat, they carried out structural work as well as decorating. Their workmanship is superb, they pay close attention to detail and deliver stunning results at a very reasonable price. They work at lighting speed and were always on hand to offer advise.

Mixing design with functionality. We create light and warm spaces designed with the specific use in mind so wether your looking to convert you garage into a bedroom, home office, home gym or granny annex we can design and create a space to suit your needs that will not only add value to your home but be a space you and your family can enjoy for years to come.

Latest homeowner review

Reviewed by Barrie on 16/2/2020

Although only a small extension it was quite complicated and involved demolition of an old structure and incorporating the new build into the existing kitchen. I had my own ideas of what it should look like and how it could be achieved. Gregg's interpretation of my ideas exceeded my expectations. Gregg proved easy to work with, was reliable, clean and always explained what he was doing - and looked for innovative solutions. We now have a great extension. Thoroughly recommended.

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 Melvyn on 6/5/2020

Great job!

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What type of tradesperson do you need?

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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?

How our service works

  • Create a job - it's free

    We'll connect you with the right tradesperson, from over 30 different trades.

  • Get quotes

    Up to 3 tradespeople can provide a quote, but on average you'll get 1-2.

  • Check ratings

    Look at each tradesperson's profile page to see their ratings and reviews.

  • Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  • Job done

    Leave a rating for your tradesperson based on quality, reliability and value.


Recently completed jobs

Here's what's been happening in and around your area

Size of extension: 1 room...

Size of extension: 1 room Room(s) to be in the extension: dining room, kitchen rear extension for the kitchen/dining area I'm not sure if planning...

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single storey real extension with a wet shower room

Take down conservatory and...

Take down conservatory and replace with extension of similar size and toilet

I have a two bed room detached...

I have a two bed room detached bungalow and I plan to do complete renovation including reconfiguration and rear single storey brick and block...

Build a single garage and...

Build a single garage and kitchen extension

Size of extension: 2 rooms...

Size of extension: 2 rooms Height of extension: 1 floor Rear kitchen extension Planning permission has not been applied for yet Building...

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, utility room Bungalow extension and...

Rear extension Building...

Rear extension Building kitchen Conversion of existing kitchen to room

Bedroom extension over kitchen

Bedroom extension over kitchen

I so lush an extension on the...

I so lush an extension on the kitchen and living room

How our service works

  1. Create a job - it's free

    We'll connect you with the right tradesmen, from over 30 different trades.

  2. Get quotes

    Up to 3 tradesmen can provide a quote, but on average you'll get 1-2.

  3. Check ratings

    Look at each tradesperson's profile to see their ratings and reviews.

  4. Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  5. Job done

    Leave a rating for your tradesperson based on quality, reliablity and value.

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