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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.

Browse House Extension specialists

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

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Quality & Pride Professional Building Services

Latest homeowner review

Reviewed by richard on 14/8/2015

Steve and his team did a thoroughly professional job. He arrived everyday on time or early and did not miss a single day. He advised us on various aspects of the work. We were very comfortable to have Steve in the house and we liked his work so much that we asked him to replace our windows too. You can only speak as you find and therefore I can only agree with the positive reviews on this site..

We are a family business that have been in the building trade for 16 years fitting new bathrooms,kitchens, windows and doors and so on. There is no job to big or small so take a look at our pictures of recent work carried out. We look forward to hearing from you

Latest homeowner review

Reviewed by Lirna on 21/3/2021

D & M started the job after a few agreed dates falling through. Insulation was missed out at first. On finishing there was no bottom so when drilling a hole for cables the insulation broke and came out. That was fixed. There was an issue with the gap between the wood and insulation. David sent videos to explain. The issue now is when the sun shone the wood shrunk and there are gaps between what should be over lapping wood. Despite D & M agreeing times they are yet to show.

We are a small building company with over 15 years in business , all of our tradesmen are highly skilled and all of them have over 35 years of experience in the building and construction industry.

Latest homeowner review

Reviewed by Iain on 4/1/2021

Dimension builders have just completed a 10 week build for us. It was an extension from the main house and detached garage conversion into bedroom and wetroom for my disabled wife. Throughout the whole build Dave has been a pleasure to work with. Communicating with us all the time and clean and tidy. Any sub contractors he has had come to carry out works, such as plasters, tilers and plumbers etc, completed jobs to a very high standard. We would not hesitate to recommend his firm to family and friends.

I am a sole trader and have over 10 years experience. I specialise in Carpentry, Painting & Decorating and many more..

Latest homeowner review

Reviewed by Fred on 11/2/2021

Highly recommend. Very quick to respond, friendly, professional & knowledgeable. Listen attentively to the issue, gave great advice and delivered what was expected.

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 Greg on 30/3/2021

Hard working & reliable guys. Would highly recommend.

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 Karys on 10/4/2021

Great guys, very personable service, they involve you every step of the way. Our bathroom had to be completely striped back due to previous owners not fixing leaks and this was all done meticulously. We are very pleased with our bathroom and would thoroughly recommend

WK CONTRACTING 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 Sarah on 12/4/2021

Not only did Krystian call back quickly in response to my advert, he also send out a guy to quote for the job when he said he would. Communication was great. The work was done within budget and on time and he even did extra work as well. The work was excellent, both Krystian and his mate turned up on time every day and worked hard to get the external wall removed. The site was cleaned up at the end of the day. I now have a wonderful open plan kitchen/conservatory and won't hesitate to recommend these guys:)

Loft conversion, extension and house refurbishment specialists

Latest homeowner review

Reviewed by Eric on 8/4/2019

Kenny and his team from KC joinery and Building did an excellent job of building a dorma and onsuite on my house. They where quick, tidy and the whole process was hassle free. Even the building inspector commented to me about how good the workmanship was. This building firm is a rare gem. I’ve had lots of problems with builders in the past but I will definitely be using these guys again.

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 Habsan on 6/11/2017

Excellent service.

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.

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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...

single storey real extension...

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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