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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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Need a proper job done? You got the right tradesman to do it

Latest homeowner review

Reviewed by Steve on 28/9/2019

Piotr (Peter) is a fantastic tradesman, his professionalism is to be commended. I have been so impressed with his commitment and hard work to insure the client receives the best results; which my wife and I did. An extremely approachable individual who is brilliant at his chosen profession.

Established in 2001, I.c.joinery are a well respected family ran company doing everything from small projects up to contract work for the ministry of defence. The pride we take in our work speaks for itself. Offering a full design, manufacturing (in our own workshops) and installation service, also project management with access to all trades.

Latest homeowner review

Reviewed by Dan on 30/7/2018

Ian did a great job with a fast turnaround, and offered design choices

DM Construction's core business is comprehensive refurbishment services. We are a dynamically developing company from Southend on Sea. Thanks to the experience gained, we provide the highest quality renovation and construction services. Our professionally selected team of qualified employees guarantees reliable work performance. DM Construction company in the field of modern interior renovations and exterior refurbishments, helps the investor to choose the right renovation technologies. We hope that our proposals will meet with your interest. Bearing in mind the well-being of our clients, we are always ready to help in the field of technical solutions and we are happy to advise you in case of any questions. We invite you to familiarize yourself with our offer and use our services. Refurbishments - Maintenance - General Building

Latest homeowner review

Reviewed by Franko on 21/9/2019

“Dawid and team did an excellent doing a floor for me, i used him long time ago, decided to use again as i know hes hardworking, today they finish job for me, thanks again

We are a complete Building and Decorating services offering all trades and 12 months guarantee on all building work. Are highly skilled team look to give you quality workmanship at a competitive rate.

Latest homeowner review

Reviewed by Robert on 11/9/2019

Robin does a great job and his work is excellent and to a very high standard. I'm so happy with the work done that I'm used Robin for another job I would highly recommended Robin and I would hire again.

C & N Constructions is a well-established company offering construction and landscaping services for both residential and commercial clients. Our faith: We believe in open and honest communication and shared goals which will generate greater continuity in workload and thereby provide sustained improvements in quality, efficiency & delivery. Our mission: To safely deliver any project, any time, in any environment for the benefit of our customers, shareholders, employees and the communities we serve. Company vision: C&N Constructions is committed to building long-term relationships based on integrity, performance, value, and client satisfaction. We will continue to meet the changing needs of our clients with our quality services delivered by the most qualified people. Get in touch and we can start asap! We offer free and no obligation project estimate.

Latest homeowner review

Reviewed by Cecilia on 13/10/2019

Very happy with speedy and friendly service. Will use again.

With over 30 years' experience, no job is too big or too small! Contact Jim today to receive a free quotation.

Latest homeowner review

Reviewed by Alan on 23/9/2019

Unbelievably good service. 2 hours from requesting job it was completed with no fuss. Thanks Jim

We specialise in all aspects of hard landscaping such as patios, driveways, fencing, garden walls, sheds, lawns and garden clearance. We also complete aspects of general building such as extensions, porches, interior and exterior painting

Latest homeowner review

Reviewed by Andrew on 11/10/2019

Excellent service Would highly recommend Genuine, honest, helpful

Anyjob want to make life easier for you! We are a reliable and friendly business; who pride ourselves on being efficient and offering a bespoke service to each individual customer. We offer a wide range of services to meet your needs in gardening and fencing. Some of the services we offer are: Gardening; Lawns; Sheds; Fencing; Slabbing; Decking Services; Landscaping; Garden Clearance; Hedge Trimming; Garden Maintenance- on a one off or regular contract; and much much more... We aim to ensure all jobs are completed in an allotted timeframe and ensure excellent housekeeping at all times. All products we use for fencing and decking are pressure treated from a very reliable company- to ensure you have the best quality wood. We have experience in installing a wide variety of fencing styles and also offer garden fence repairs to existing fencing. We strive to maintain a high standard of customer service and have consistent communication with our customers. You will be provided with a visit to quote for your job, an email listing the job requirements and an estimated date of completion. You can count on our team to take care of a wide range of gardening work- from a complete overhaul to a few simple garden maintenance jobs which are required to make the garden complete. We cover an area up to a 40 mile radius.

Latest homeowner review

Reviewed by S on 5/10/2019

Posted the job Matthew called soon after and turned up the same afternoon to give me a quote. When I select Matthew to carry out the work he turned up on time and completed the job on time and to a high standard. Would recommend them without any hesitation

... J IRELAND PLUMBER ... a family run business ... Highly Competent & Qualified in Plumbing & Heating - Full PL Insurance and a Registered Business - Snipef Endorsed with full apprenticeship, college trained, Health and Safety Construction and First Aid trained ... A combined 50+ years of Plumbing & Heating experience ... Ongoing continual training undertook to keep up to date with current standards, regulations and technologies ... A very warm Thank You, to all our clients for your reviews and referrals, we look forward to working with you again soon :)

Latest homeowner review

Reviewed by Kate on 14/10/2019

Really pleased with our new tap, great job done. We will def consider using Johnathan again if we have any other jobs and recommend to others. Thanks again!

Welcome to this site. The client is the most important visitor on our premises. They are not dependent on us, we are dependent on them. They are not an interruption to our work, they are the purpose of it.

Latest homeowner review

Reviewed by Ashley on 14/5/2019

Excellent work I would definitely recommend

Post your job for free and up to 3 tradesmen will be in contact to quote

What type of tradesperson do you need?

What type of job is it?

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: 3 rooms...

Size of extension: 3 rooms Height of extension: 2 floors Room(s) to be in the extension: bathroom, bedroom(s) It will be a two story extension...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: bathroom Need a small en-suite to the side of our bungalow....

Size of extension: 3 rooms...

Size of extension: 3 rooms Height of extension: 2 floors Room(s) to be in the extension: bedroom(s), lounge/living room Just quote at the moment ...

extension at back of property...

Room(s) to be in the conversion: 1 x dining room, 1 x toilet Garage conversion, plus a small extension at the back of the house - 2 levels Planning...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: Dog grooming parlour I'm not sure on what I can do, so need...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: bathroom Would like it to be as small as possible for a...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: dining room We would like to receive quotes for a single...

Size of extension: 4 rooms...

Size of extension: 4 rooms Height of extension: 1 floor Room(s) to be in the extension: bathroom, bedroom(s), kitchen, utility room Rear wrap...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: dining room Build to consist of ground works, and build for...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: dining room Single story rear extension. To bring dining...

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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