How it works
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Post a job
Tell us about your job, and we'll alert suitable extension builders in Crowthorne. 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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Durrant Construction
7 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2016Durrant Construction is a family run local building company offering reliable, high quality building services across South East England. With over 20 years of experience, we run projects of all sizes, specialising in Extensions, New Builds and Renovations. Our read more
Latest Extensions feedback review:
2 storey extension in old london yellow brick
We found Lee to be enthusiastic, reliable and approachable during the execution of our project. He was keen to deliver a project that was an overall success for us. His attention to detail with selecting matching bricks meant the extension...
By nigelr_65 on 5th Feb, 2019
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DBH Builders Ltd
6 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2015We are Professional, experienced builders in trade since 2005 Extensions,Loft Conversions,Renovations and New Build Houses All work is fully Guaranteed and Insured Always friendly,reliable,up front on schedule,completing work to a high standard and customer read more
Latest Extensions feedback review:
Kitchen/Living area extension
Single storey kitchen extension This job involved building a four metre extension to the rear of our house and creating a new kitchen/dining room, shower room, utility room and living area across the newbuild and existing space. From the...
By david99254 on 7th Sep, 2020
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MMAS Construction Limited
2 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2014MMAS Construction offer a complete building service to Berkshire, Hampshire and Surrey. Over the last 25 years we have gained an excllent reputation for quality and reliability. Our team of experinced tradesmen have been working together for over 15 years and take pride in read more
Latest Extensions client reference:
Steve was part of the team (MMAS) that entirely refurbished our Victorian house and built an extension to the rear. He installed the boiler and central heating and fitted the bathroom upstairs and shower room downstairs. He was also...
Reference taken by MyBuilder on 17th Feb, 2014
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Lela construction
3 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2020We are a family run construction company established over 20 years ago, we have many years of experience with a range of building services available. Our projects range in size and we specialise in extensions, renovations and conversions. Over the years we have gained a read more
Latest Extensions feedback review:
Kitchen/diner extension
Rich was extremely professional from the first meet. Friendly and approachable, turned up when he said, he kept the site tidy at all times and kept us informed every step of the way. Very happy with our added addition to our property. ...
By winrow10705 on 6th Aug, 2020
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N.J.Day
5 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2011I have been in the construction industry for over 30 years. I have been working and specializing in building extensions for many clients. I have incorporated many good tradesmen into my scope of works. I have great references, good insurance on request, and you can always read more
Latest Bricklaying feedback review:
3.6m x 4.6m brick and block cavity wall
Hired Nick and his good friend Nathan for 5x4 extension, Both with unbeatable experience in the building trade and regulations that surround it. Very easy to talk to and like to think I myself as buddding tradesmen have made a good...
By ch63175 on 19th Feb, 2020
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Avancraft LTD
5 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2015We are experts in the handling of tasks ranging from basic painting and decorating to the most challenging and demanding projects such as extensions, bricklaying as well as complete floor and ceiling makeovers for small and large commercial or domestic clients. read more
Latest Extensions feedback review:
Ground floor plus first floor extension
We are so very happy with our extension by Avancraft. They do superb quality of work with attention to detail. The team were here every day working hard to get our project completed on time which they did. They embraced every change we made...
By mm1_17 on 26th Jun, 2017
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Rafal Decor
2 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2019Rafal Decor provides a full building service. We are experienced builders who gives you highest quality work and very competitive quotes. We specialize in: • Extensions • Basements • Conservatory • Loft/Flat roof/Fibreglass • Asbestos removing • Brick read more
Latest Extensions feedback review:
First floor extension
Rafal is a professional builder and has done the job properly. He is polite, punctual and experienced. I would rate him 9/10.
By reetika30469 on 13th Oct, 2019
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Cozens Building Services
2 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2014I have been in the building industry for over 30 years and after project managing jobs up to 1.2 million pounds for other companies formed Cozens Property Developers Ltd in 2000. I have carried out various extensions from £70,000 to £250,000 as well as refurbishments and read more
Latest Extensions client reference:
I used Cozens Building Services to build a new attached garage with workshop and a garden room to the rear of my property. They were reliable and turned on time. They over ran slightly on schedule but that was mainly down to the conditions...
Reference taken by MyBuilder on 30th Jun, 2014
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Absolute Brickwork and Building Services
2 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2019Here at Absolute brickwork and building services, we pride ourselves on providing a high quality job satisfaction guaranteed everytime. We have over 25 years worth of experience in our team that can cater for any job that needs doing. We specialise in all types of read more
Latest Bricklaying feedback review:
Wrap around extension
Dan and his team were very hard working and finished to a high standard. There were a few extra jobs that I asked Dan to complete based on Day rate and these were treated the same way. I would highly recommend Absolute and would use them...
By colin85998 on 22nd Mar, 2022
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D C Heating and Building Service Ltd
No reviews yetExtension Builder working in CrowthorneTrade Member since 2022D.C.Heating and Building Service Ltd is a family run construction company based in Berkshire. We specialise in bespoke design, renovation, refit and build services to optimise the look and functionality of your space. Our team has a wealth of expertise, knowledge and read more
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Maple Building Services
No reviews yetExtension Builder working in CrowthorneTrade Member since 2018I have been a sole trader in this area for around 15 years now, i started in the building trade from leaving school with my father, over 30 years ago. I normally undertake smaller works, smaller extensions, porches, garage conversions, bathroom and kitchen fitting, patios, read more
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RJL Building
No reviews yetExtension Builder working in CrowthorneTrade Member since 2017Hi, I am an experienced bricklayer, looking for all aspects of bricklaying and blocklaying. I have worked in a team of high quality builders for the last 5 years and have conpleted some amazing extensions and new builds. Over the last year I’ve branched away and have been read more
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CC Construction
No reviews yetExtension Builder working in CrowthorneTrade Member since 2019General Builder with a team of skilled and qualified tradesmen and women covering all aspects of construction ie. groundworks, drainage, brickwork, carpentry, roofing, plastering, decorating, plumbing and electrics. We have been in business since 2003 and have experience read more
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2D Designs
No reviews yetExtension Builder working in CrowthorneTrade Member since 2019Here at 2D Designs we provide a fully bespoke design service from the initial discussions, where we listen to your requirements and needs, through the planning and building control applications. We will ensure your project is followed through the system to give you the best read more
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Joyce Property Solutions
4 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2021Joyce Property Solutions specialises in extensions, brickwork and groundworks. read more
Latest Extensions client reference:
This summer we had a single-storey rear extension added to our house. As part of the build we also added a downstairs washroom, in the pre-existing part of the house, requiring significant groundworks. William & Ben were fundamental parts...
Reference taken by MyBuilder on 18th Oct, 2022
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SWcarpentry
1 review • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2017SW Carpentry offers a range of all carpentry services with 15 years experience in the trade. read more
Latest Kitchen Fitting feedback review:
Mitre cut kitchen worktop
Arrived on time, with tools. Price for job agreed on site; job started and completed following agreement. Excellent quality of work. Would hire again.
By k_virdee on 7th Jan, 2017
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K Design and Build Ltd
1 review • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2020K Design and Build Ltd are domestic and commercial builders based in Sandhurst, Berkshire who create dream homes, extensions and businesses. We offer bespoke design, renovation, refit and build services to optimise the look and functionality of your space. Our elite team read more
Latest Extensions feedback review:
Modern house remodeling front elevation, porch & roof
Glad we chose Karl and his team for this project. They are diligent, hardworking and uncompromising on quality. Whilst our project isn't yet finished they have been doing a great job of it so far and have collaborated well with the...
By nick20790 on 8th Feb, 2022
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Bms Building Solutions Ltd
4 reviews • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2021I have been in the building trade for 20 year and love my job. We undertake all aspects of building work and Landscaping. I personally oversee every job to ensure the highest of standards and to give the customer that personal touch read more
Latest Groundwork & Foundations feedback review:
Dig footings for extension, Dorney, plus new drain run
Barry and his team did an excellent job for a reasonable price. He was prompt and efficient, easy to get along with and enthusiastic about the work. We had to adapt as things moved along which he accommodated with no fuss. I will be using...
By slybone on 28th Nov, 2021
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J Hastings Property Services
1 review • 100% positive ratingExtension Builder working in CrowthorneTrade Member since 2016We are registered with the NICEIC / ELECTRICAL SAFTEY REGISTER. Our team take on all projects from electrical work to extensions / conversions, bathrooms & kitchens. We offer a complete professional solution for all your projects using the right tradesmen to achieve great read more
Latest Electrical client reference:
James carried out a complete new wiring installation throughout a new build bungalow for me. He was friendly and offered a professional service. I would use him myself again.
Reference taken by MyBuilder on 11th Dec, 2014
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Frost carpentry and building
No reviews yetExtension Builder working in CrowthorneTrade Member since 2018Fully qualified carpenter & builder with 15 years experience & ownership of my own business (Frost Carpentry&building ) for 15 years. Expertise in all aspects of 1st & 2nd fix carpentry, Loft conversions & extensions. 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 Crowthorne in Berkshire have an average review score of 98% positive based on 1,159 homeowner reviews.
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Crowthorne areas
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Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- Idea of cost for second floor extension only
- Builder not turning up
- Tying in to existing brickwork/ continuous cavity in new + old walls
- Can a conservatory be converted into a extension?