How it works
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Post a job
Tell us about your job, and we'll alert suitable extension builders in Westerham. It’s simple and free.
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Tradespeople respond
Once your job is posted, you'll get responses from interested extension builders through the website.
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Review and choose
Browse profiles, work history, and feedback, then choose who you wish to share your details with.
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Biggin Hill Construction Ltd
8 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2014A team with a wealth of experience in bricklaying and general construction. Please check out our portfolio to check out our projects read more
Latest Extensions feedback review:
Kitchen extension, internal alterations and fit out
Jon was very professional from start to finish. He gave us a detailed itemised quote which was extremely useful throughout the build and helped managed costs. His quality of work was great especially the brick work. There were a few...
By scott_831 on 18th Apr, 2023
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Chancery Lane Construction
2 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2013Established in 2009, we except all projects from new builds to loft conversions. Our standard of finish and work ethic are second to none and we are extremely proud of what we do, all our tradesmen are fully qualified,insured with all work guaranteed. We are unique because read more
Latest Extensions client reference:
We had recently moved to a new house that required a lot work. Having been recommended by a friend Warren came round and assessed the work that we wanted doing. We were really impressed with his ideas and prices so decided to let him...
Reference taken by MyBuilder on 31st Jan, 2013
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R C B contractors
1 review • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2023We are a family run business with a combined work experience of over 50 years, with experience in all aspects of the building trade no job is to small. read more
Latest Extensions feedback review:
Extension Re-build
Faultless. Provided a timely quote with a very good price, started and finished when they said and done a very good job. The guys were very polite throughout and kept things as clean as possible. Would definitely use again without any...
By dpz on 8th Nov, 2023
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Biggin Renovations Group Ltd
10 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2020Biggin Renovations Group Ltd is a family run business, we strive to undertake all aspects of building works to exceptional standards. Working alongside clients to bring their vision to life is our top priority & we pride ourselves in being honest, efficient, reliable & read more
Latest Extensions feedback review:
Rear Extension
Great service, very reasonably priced and professional. Quality was there and don’t have a bad word to say - stuck to price and beat timescales given. Not like most builders in the area. Recommend
By ed67816 on 30th Dec, 2022
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Johnston Building Services
20 reviews • 95% positive ratingExtension Builder working in WesterhamTrade Member since 2015My name is haydn johnston. I have the relevant building skills to complete a variety of building projects from, extensions to new build homes. read more
Latest Conversions - General feedback review:
Partitian wall to make office space from hallway.
Haydn and his team were fantastic. Really impressed with the finish and attention to detail and aim to do the best job possible. Plasterwork is excellent. Thorough and polite and left work area spotless each day. Will be using for more...
By andys_20 on 13th Nov, 2022
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Trend Build Construction Ltd.
7 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2015We are a building company covering all aspects of construction and landscaping with qualified and experienced builders. We pride ourselves on offering professional services that are convenient to customers and price competitive . read more
Latest Extensions feedback review:
Removal of walls & digging & retaining wall + extension
We had a huge refurbishment job of a six bedroom Victorian house including an extension on our hands when we advertised on 'My Builder'. We had just been let down by a builder that a friend recommended to us and were desperate to find a...
By anon-230816020003946135 on 15th Aug, 2017
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Richard Worrall
2 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2024Richard Worrall a wealth of experience in all types of general building from extensions right through to complete new build projects. We specialise in house extensions, new build projects and loft conversions, and coupled with over 55 years of experience we know exactly read more
Latest Carpentry client reference:
Built my Single storey extension with complex apex roof. Totally reliable and couldn't recommend him enough. Many years of experience and expertise. Thank you Richard.
Reference taken by MyBuilder on 24th Feb, 2024
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KC Management SE Ltd
7 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2016We are a family owned property development and refurbishment specialist based in Sevenoaks but also covering Tunbridge Wells, Tonbridge and South East London. We have over 20 years experience of developing, extending and refurbishing properties for our own portfolio and read more
Latest Restoration & Refurbishment feedback review:
Quote required for a new property
We hired Chris as the builder/project manager for our renovation project which included extension, fitting of new kitchen, new flooring throughout the house and new garden patio. We were delighted to work with Chris - he communicates...
By chris84_35 on 25th Jun, 2019
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kustombuild
1 review • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2015We are a small building company with 25+ years experience working in biggin hill and surrounding areas. We specialise in loft conversions,small extensions,roofing including fiber glass,refurbishments,knockthroughs,kitchens bathrooms. We are polite neat and tidy workers read more
Latest Restoration & Refurbishment feedback review:
Need house refurb
I Met Jay from kustom build ltd and straight away could tell that he knew what he was taking about and was very comfortable with with him carrying out the work. He's price was very reasonable and he's work was of a very high standard....
By anon-210627003003331052 on 27th May, 2015
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M J Stanford Building and Carpentry Services
13 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2012My name is Matthew Stanford and I am the Director of M J Stanford Building Services Limited. We offer excellent workmanship along with peace of mind that whatever your job, big or small, we will ensure customer satisfaction. Our customer testimonials speak for read more
Latest Bathroom Fitting feedback review:
Bedroom/ensuite refurb, new master bath, utility refit
Matthew and team replaced our master bathroom in Aug/Sep this year. This involved stripping out the old bathroom suite and tiles, and replacing with new bathtub w/shower and pump, basin, toilet, extractor fan. The job was delivered to...
By anon-240115010003313935 on 22nd Dec, 2017
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Candor Construction & Maintenance Limited
7 reviews • 86% positive ratingExtension Builder working in WesterhamTrade Member since 2016We are a friendly, reliable and honest company engaged in construction and maintenance work. We have vast experiance in the refurbishment and extension sector and work on all types of buildings both residential and commercial. Candor Construction have successfully read more
Latest Extensions feedback review:
Porch
A bit of a shambles all round this simple porch we had built. Wrong door, wrong side panel, wrong gutters! Finished job, well we did not complain about the fact the rain flows of the front but the guttering is at the back, or that the walls...
By anon-230925001503297399 on 24th Sep, 2017
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Patrick Taylor
6 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2017We offer a fully comprehensive service from planning and designing to innovating and building. We can help in all aspects of residential projects from fixing a leaking tap to extensions and new builds. A full portfolio and customer references are available upon request. read more
Latest Joinery & Cabinet Making feedback review:
Exposed combi boiler pipes need boxing up
Very professional, great job, would definitely recommend!
By natalia49364 on 18th Mar, 2019
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Adams carpentry & sons ltd
2 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2023Adams carpentry & sons is a family run business who take on all aspects of carpentry works from roofing down to skirtings and everything in between. All of our Carpenters are trusted, reliable and most importantly friendly. We pride ourself on the quality of our work the read more
Latest Kitchen Fitting client reference:
Rob completed a large portion of our home refurbishment, to include a knock through, kitchen installation, sky lantern installation, all new woodwork (skirting, archs etc) and media wall. I am a very fussy customer but Rob exceeded all...
Reference taken by MyBuilder on 19th Jan, 2023
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Taylor Brothers
48 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2016Hi, we are a friendly, professional, family run company. We are young, ambitious and appreciate your business to build our customer feedback and deliver an excellent service. We take pride in our work and are very reasonable. We are two brothers who have been in the read more
Latest Bathroom Fitting feedback review:
Fit the bath screen
Efficient and friendly
By tulikap123 on 16th Oct, 2022
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Unique build
2 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2020Welcome to unique build we offer the full building and maintenance package covering all your building needs. Established in 2020 we are a new company but with a group of highly skilled tradesmen with attention to detail and taking pride in what they do giving you the best read more
Latest Handyman feedback review:
Odd repair jobs
Scott arrived with his colleague Sam on time and eager to start my handyman jobs. They were very polite, courteous, and professional. Communication was great throughout the process. I had a small list of window issues and outside painting...
By catherine40066 on 3rd Nov, 2020
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Baarc Ltd
No reviews yetExtension Builder working in WesterhamTrade Member since 2024BaArc Ltd are an architectural design practice, specialising in the Residential Extension Conversion and Newbuild Sector. With nearly 20 years of experience in both architecture and construction the company director can provide a full and comprehensive design and consultancy read more
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KLEON Construction Ltd
7 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2022We undertake all construction work read more
Latest Landscaping feedback review:
Removal and fake grass fitted
I’ve had a really positive experience. Egzont was extremely polite, attentive and a pleasure to work with. The team completely transformed my garden from being a weed ridden mess to nicely laid out decking. Really happy with what they...
By mary_684 on 28th Sep, 2023
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PLATINUM PROJECTS KENT LTD
8 reviews • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2021Platinum Projects Kent Ltd is a small family run business based in Sidcup, specialising in extensions, conversions, renovations & garden spaces. With over 30 years experiance project managing high end developments, we work to the highest standards making sure the client is read more
Latest Electrical feedback review:
Fitting of Cooker Hood and Bathroom mirror light
Satisfied with Mike's fitting
By designer_london_68 on 16th Aug, 2021
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Warthog Group Ltd
1 review • 100% positive ratingExtension Builder working in WesterhamTrade Member since 2017At PSP, previously named Warthog Group, we deal with all manners of construction, both domestic and commercial, specialising in bespoke interior fit outs and joinery. We have recently started property developing on behalf of clients; taking it from planning stages through to read more
Latest Joinery & Cabinet Making feedback review:
Under stairs storage cupboards
Overall great bespoke cupboard however some final touch should have been done after Xmas period but builder never answered back
By ahening on 31st Jul, 2018
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Jonathan Delicata
No reviews yetExtension Builder working in WesterhamTrade Member since 2023I have recently relocated to Surrey from SW London where I have been working for the past 13 years. We work on all expects of building work but specialise in residential and commercial refit and extensions. We have recently completed jobs in Oxted and Reigate so viewing some read more
What can extension builders do?
MyBuilder is the simplest way to find a reviewed and vetted extension in your local area. We can connect you with local extension builders near you, so you can choose the ideal tradesperson for your project with confidence.
Whether your plans are big or small, we can help you find a skilled extension builder to support you with your job. Your contact details are only shared with tradespeople you want to speak to, so you can check out their credentials, read honest customer reviews and get free quotes to compare.
There are lots of jobs that extension builders can help with, including:
- Extending your home with an extra room
- Two+ storey extensions
- Adding partition walls to create more rooms
- Building annexes or external structures
Top Extension Builder Reviews
Extension Builders working near Westerham in Kent have an average review score of 98% positive based on 5,391 homeowner reviews.
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Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- Hi, what is the basic prize of an extension per sq m ? what does it include ? how do you know if the tradesman chosen doesn't over charge you? and how to you pay the job before or end of the work .
- Where do i start with planning a single storey extension? how much should i be paying for architects plans?
- Damage to neighbour's property
- Converting an old conservatory into kitchen