Extension builders in Westerham

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (15 reviews)

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Some of our top rated extension builders in Westerham

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T&S Construction
Rating: 5 out of 5
Extension Builder in Westerham
Ive been in building work all my life and im very good so people say theres not many builders like me ,try me and i bet you have me back i can show my work .
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Latest review:
Extensions- 2 May 2018
Tom is a very competent builder, who has attention to details. Tom continuously went out of his way to find ways to meet my requirements, Whenever we had atypical challenge during my extension Tom's default position was "let's find a work around." He was creative and efficient in doing so, and most importantly cost effective, as I was running on tight budget. Fantastic experience working with Tom, he estimated the work to complete in 6 weeks, the work was done 5 and a half weeks and handed over. The works speaks of itself, very urban finish with high level of professionalism. I was almost hands off the project due to work travel, and Tom took care of all the aspects without me being involved day to day and micro manage. He is surely being to be big league builder in no time. I would recommend him whole heartedly.
Venus Constructions Ltd
Rating: 5 out of 5
Extension Builder in Westerham
Hi, thanks for taking time reading.. our team at Venus Constructions specialises in all types of residential works and our range of services covers complete refurbishment, conversions, external buildings, patio, turf, driveway, decking, fencing, brickwork, blockwork, rendering. Depends of team member we have years and the necessary experience based on the works needed. Listening to the clients needs we assure with punctuality high quality results and workmanship of our friendly team.
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Latest review:
Landscaping- 28 Mar 2022
Gianni and his friend did an amazing job on our garden grass and planter. They came to see the garden before providing us with the quote. They were very professional, punctual thorough and quick. We were very impressed that they started the job the following day and that they were able to provide all the materials. We will definitely recommend them to friends and family.
AP Holloways
Rating: 5 out of 5
Extension Builder in Westerham
A P Holloway’s Construction Ltd is a leading and reputable Construction Company serving central London, Kent and Surrey. We take on all types and sizes of projects, and cover all aspects of residential and commercial construction.
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Latest review:
Plastering- 5 Sep 2023
Alfie & Paul were very friendly and gave good advice. They were efficient and on time. Did the job on time and within the specified time. I have no problems with their work and would recommend them to others.
Alex Pana
Rating: 5 out of 5
Extension Builder in Westerham
My name is Alex, I work in construction field for more then 13 years. My experience start with my first job, I have experience from big construction sites, indoors jobs, building houses, small jobs as painting, plastering, changind windows etc. I take on lots of different type's of job. Bricklaying, paving, garden jobs, rendering, decking, concrete slabs, plastering, plasterboard, painting decorating, tiles, floors, hang/ fix doors, wallpaper, etc. It varies from small to big jobs.
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Latest review:
Handyman- 24 Jan 2019
Alex did a brilliant job at a very good price. Nice, friendly guy who knows his stuff, I can definitely recommend him.
Walter weir Ltd
Rating: 5 out of 5
Extension Builder in Westerham
Walter Weir Ltd - established as a design and build contractor for the highest specification projects in residential and commercial developments in London & The South East. Our team of skilled tradesman, project managers & architects cover all scope of works within construction, who are experienced professionals, making the dream a reality for every client. We believe in cementing lasting relationships with clients & this can only be achieved by maintaining a constantly high standard of work.
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Latest review:
Groundwork & Foundations- 19 Feb 2020
Donald Weir was really professional and helpful. They got the work done and handled our queries with patience. We will be soliciting their services again very soon!
FERARU GROUP BUILDERS LTD
Rating: 4.7 out of 5
Extension Builder in Westerham
I've worked in the UK for 8years now and I do my job to a high standard.
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Latest review:
Extensions- 15 Jun 2024
My advice is avoid. Poor communication Poor workmanship Poor quality finish Create 'issues' during build to make you pay more than quoted Left project incomplete We pursued through the Court and won the case, but of course he is unable to pay, so we are pursing further through the Court. He will respond to the review with some excuse, but there is absoultley no excuse for poor workmanship and quality. Happy to share pictures and videos on request.
Designs and Developments
Rating: 5 out of 5
Extension Builder in Westerham
At Designs and Developments we have a wide variety of services ranging from bathrooms, kitchens, flooring, decorating loft conversions and extensions.
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Latest review:
Kitchen Fitting- 31 Jul 2019
To say Nick is just a kitchen fitter isn’t doing his work justice, he’s a fantastic project manager and craftsmen as well. When we first met Nick he took 2 hours of his time running through all the options which was when we realised we were actually quite clueless! Although we hadn’t hired him at this point his advice was invaluable. We assumed this would mean Nick’s professionalism would mean he would be very expensive, this was not the case and he was actually a little cheaper than the other parties who quoted. Once Nick started it became apparent that he and his assistant Chow to great pride in their work and worked hard to get the job finished as quickly as possible to the highest standard. They left the site spotless at the end of each day. The result is a fantastic kitchen and flooring which we are extremely happy with. We are already thinking about the next renovation piece in our home and would love to use Nick again. Thanks Nick! Niall & Hannah
DF Construction
Rating: 5 out of 5
Extension Builder in Westerham
DFGC are commercial and residential refurbishment specialists. We've created partnerships with high profile companies to complete large scale projects, in the South East of England - shown on my profile. We are known for a wide range of undertakings, from complete refurbishments, extensions, bathrooms, driveways, to name a few. There's very little we can't do, with regards to construction. We're a one stop shop for all your construction needs - we can take your vision and make it a reality.
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Latest review:
Extensions- 13 Dec 2021
Couldn't recommend Domi & Emile enough. They have great building knowledge and kept us informed and up to date throughout the whole building process. The job was finished to a high standard and they even came back free of charge to tie up a few snags a few weeks later. Great builders and a great team!
AG south construction
Rating: 5 out of 5
Extension Builder in Westerham
I'm qualified bricklayer with 20 year's experience, I'm doing refurbishements and new houses work from start to finishing off in very high standard.
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Latest review:
Extensions- 13 May 2026
Agim completed a ground floor extension for me in 2025 and I would not hesitate to recommend him for similar work. The quality of the work was excellent and the team worked tirelessly for months to ensure it was completed on time and for a reasonable price. Agim was able to adapt quickly when any unforeseen problems occurred, always clearly communicating possible solutions to help keep the project moving. Having people in your home can be difficult but Agim is very respectful and considerate, making sure to put our needs first. The results are fantastic and Agim continues to help snag any minor issues that come up. I couldn’t be happier with how things went, testament to his professionalism. Thanks Agim for all your help on this project.
Ivor
Rating: 5 out of 5
Extension Builder in Westerham
refurbishment,rear &side extensions,loft conversions+all the 2nd fix internall works-kitchen,plumbing,electrical,drainage,tilling,glazing,rendering,plastering,painting
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Latest review:
LargeGround floor extension, conversion of a bedroom to second bathroom, loft conversion, front garden paving , rear garden natural stone fitting, full refurbished of 5 bedroom house, 2 bathrooms, 2 living rooms and office, 1 large garden shed builded
moonlight builders ltd
Rating: 5 out of 5
Extension Builder in Westerham
My name is Josh and I build from the ground through to the roof. All domestic and commercial builds covered with guarantee. Our service is second to none we value and take pride in what we do to complete all details finely. We have been building and refurbing now for many years, timekeeping is key. Friendly and most importantly trustworthy. We are highly passionate in what we do, so if your looking for a difference, a job which brings a smile and a warm heart with a professional finish.
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Latest review:
Bathroom Fitting- 12 Jan 2023
Very nice and kindly man
Mels Construction Solutions
Rating: 5 out of 5
Extension Builder in Westerham
Welcome to Mel’s Construction Solutions, specialising in loft conversions and house extensions. With 15 years of experience, we have gained extensive knowledge and expertise in providing top-quality services to our clients. We offer full building services for Loft Conversions Extensions Refurbishments Bathroom and Kitchen instillations All our work is guaranteed and done to the highest standards with competitive prices given.
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Latest review:
I would highly recommend Meli and use his service again. He is reliable, friendly and extremely personable. Meli saved time and cost by explaining what could be done better. Very talented all rounded experience. He’s a great contractor and I am very satisfied with his work. Thank you Meli!
Duo Builders Ltd
Rating: 5 out of 5
Extension Builder in Westerham
Duo Builders offers customers a high end service for all domestic building works. Our highly qualified team undertake Design, Build and Maintenance works on residential property in London and the surrounding area. Our wide range of services allows our clients access to an efficient quality service.
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Latest review:
Conversions - General- 26 Dec 2021
Overall, Duo Builders is good and I would recommend for any build work. Pros: 1. Committed to work and informed when not coming on any particular day 2. Had manpower allowing to add more hands if needed 3. Reliable people and nice staff / Team of young members 4. Does and completes work that was planned and agreed Cons: 1. Job took a lot of time than estimated as it was not thoroughly thought how the earth would be moved 2. Very hard to hold off the owner, its important for the client to be stay connected and informed. 3. Bit messy and site gets put of shape than original
TAA Construction Services Ltd
Rating: 5 out of 5
Extension Builder in Westerham
At TAA Construction Services Ltd, we deliver high-quality brickwork, blockwork and masonry services across London, Kent and the South East. We take pride in producing exceptional workmanship, completing projects on time and building long-term relationships through reliability, professionalism and attention to detail. As a fully insured, Companies House registered business, we work on projects of all sizes, from residential extensions and garden walls to large commercial developments, schools, apartment blocks and heritage restoration. Our experienced team specialises in: • Brickwork & Blockwork • New Build Construction • Extensions & Structural Alterations • Stonework & Masonry • Repointing & Brick Repairs • Garden Walls & Boundary Walls • Heritage & Restoration Projects • Commercial & Residential Developments We have successfully delivered projects for private homeowners, developers, housing associations, local authorities and leading main contractors, consistently meeting high quality and safety standards. Our reputation has been built on: ✔ Exceptional workmanship ✔ Honest and transparent communication ✔ Reliability and professionalism ✔ Clean, organised sites ✔ Completing projects safely and on schedule No matter the size of your project, our goal is simple—to provide a high-quality finish that exceeds expectations while offering excellent value for money. We welcome enquiries for both residential and commercial projects and would be happy to discuss your requirements and provide a free, no-obligation quotation.
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Latest review:
Bricklaying- 12 Aug 2025
I cannot thank you enough, Tarek. Your staff were exceptionally professional, your response was incredibly quick, and your communication was exceptionally clear. This is what I call true professionalism. I will definitely be using your services again and highly recommend you. Rezz
Smart windows
Rating: 5 out of 5
Extension Builder in Westerham
Smart windows from MKD windows Group are a family run business covering Essex and Surrey. We specialise in UPVC , Wood & Aluminium. Offering quality products at quality prices. Reliable service, no pushy salespeople just a straight forward price! Certass registered with a 10 year insurance backed guarantee.
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Latest review:
Windows & Doors (uPVC & Metal)- 13 Mar 2026
Would highly recommend Dean, he removed my window and fitted French doors. Thank you.
ERCI BUILDING LTD
Rating: 5 out of 5
Extension Builder in Westerham
We are team of builders specialising in loft conversions, extensions and all aspects of general building and refurbishment, re-renovating homes. High quality standards are our priority. Specialists of our company have 10-20 years experience. Professional quotes in shortest time.
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Latest review:
Carpentry- 7 Nov 2013
Ervins done a great job. The wardrobe is now repaired and sturdy. In fact it is much more solid than it was before. He was also able to attend at short notice as everything had been taken out of the wardrobe so needed the job done urgently. Would not hesitate to use him again.

4.2

Top rated Extension Builders

Our Extension Builders in Westerham, are rated 4.2 out of 5 based on 15 reviews from customers like you.

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What types of services are offered by local extension builders in Westerham?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Westerham for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Westerham who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Westerham extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Westerham?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Westerham will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Westerham extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Westerham home extension project is likely to cost.

Find extension builders in Westerham with MyBuilder

Hiring the right extension builder in Westerham with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Westerham extension builders. Once your job is live, we’ll share it with home extension builders in Westerham who can express their interest.

Step 2: Compare different extension builders in Westerham

When you start receiving interest, review profiles of local Westerham extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Westerham extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Westerham, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Westerham extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Westerham extension builder before hiring?

Before hiring an extension builder in Westerham or extension building company in Westerham, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Westerham?

An extension builder in Westerham should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Westerham extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Westerham?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Westerham extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Westerham extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Westerham

Can an extension builder in Westerham help with planning permission?

Yes, many extension builders in Westerham can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Westerham handle everything from design to construction?

Many Westerham extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Westerham help with materials and finishes?

Yes, most extension builders in Westerham can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.