Extension Builders in New Malden | MyBuilder

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Some of our top rated extension builders in New Malden

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Mati Construction
Rating: 5 out of 5
Extension Builder in New Malden
We are a family company with over 15 years of experience. Our team is highly professional. We offer wide range of services which include: - lofts, extensions - bathrooms and kitchens renovations - painting, decorating, wallpaper - flooring (all kinds) - roofing - property maintenance - building renovations/ rooms renovations - plastering, tiling, rendering and many many more!
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Latest review:
Extensions- 15 Nov 2022
Pawel and his team did a great job with our front porch, always punctual, polite and good quality work. Will be hiring them again.
XH BROTHERS BUILDERS LTD
Rating: 4.4 out of 5
Extension Builder in New Malden
XH Brothers Builders Ltd are an established and experienced team that specialise in inspiring property potential through renovations, maintenance and landscaping. This tradesperson previously traded as XH Brothers Ltd. All feedback received prior to 1st April 2022 relates to XH Brothers Ltd.
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Latest review:
Groundwork & Foundations- 7 Jun 2026
Strongly recommend. I had some drainage work and a terrace done by these guys. Overall happy with the quality. Very hardworking guys. Very friendly as well and easy to communicate (which is important to me). They also give their recommendations, which is very valuable as there were some things i did not think about.
Prime Builders Contractor Ltd
Rating: 5 out of 5
Extension Builder in New Malden
Specialists in home renovations, refurbishment and redesign, Our role is to deliver the renovation of your dreams, within your budget.
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Latest review:
Demolition- 19 Sep 2018
Lukas and his team did an excellent job. They arrived on time, were polite and friendly and worked incredibly hard. Would recommend.
O'keefe Contractors
Rating: 5 out of 5
Extension Builder in New Malden
Over 35 years in the building trade. All refurbishment undertaken etc. All quote itemised with labour one side and materials the other..
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Latest review:
Restoration & Refurbishment- 13 Jul 2023
Michael renovated our garden cabin. He is courteous, professional and hard-working. I highly recommend him!
Zhu Construction LTD
Rating: 5 out of 5
Extension Builder in New Malden
We are a family run construction business that undertakes numerous building works. Our team comprises of skilled individuals with our lead project manager holding over 20 years building experience. The most common types of work we carry out are: loft conversions; single story extensions; full internal and external house refurbishments.
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Latest review:
The works were for a full house refurbishment. This included bathroom and kitchen installation. Also, each room was brought to a high standard. The works were done in a timely manner and the staff were super friendly. If you had any questions they would assist with no problem. Definitely builders I recommend.
HM Building Services
Rating: 5 out of 5
Extension Builder in New Malden
I am a determined and capable multi-skilled professional with over fifteen years experience. I possess extensive knowledge in full refurbishment.
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Latest review:
Extensions- 7 Jul 2021
Hristo and his team provided an absolutely flawless service throughout and I would highly recommend. His quote was extremely competitive, and the standard of work was brilliant. He listened to what we were looking for, right down to the very detail (even managed to source bricks for a Victorian property that complemented the existing house perfectly) and made sure that we were happy with everything before he started work and also during. He always turned up on time and kept us informed throughout the entire project. I really couldn't recommend highly enough, and we'll certainly consider Hristo for any future building projects that we might have. Attention to detail and general personality are so important, and Hristo is great all round. Perfect job!
Aitchison Development Construction Limited
Rating: 4.8 out of 5
Extension Builder in New Malden
We have been in the property development and building work for more than 20 years. We specialise in loft conversions, extensions, new builds, bathrooms, kitchens, steel works, driveways, decking etc. I have uploaded images of my recent works.
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Latest review:
Extensions- 20 Nov 2025
I recently had a rear extension done on my 1930s house, along with a new kitchen, upstairs bathroom, and downstairs shower room, and I honestly couldn’t be happier with the whole experience. Omer came out to view the property just before completion and kept in touch so he could start work the moment we got the keys, which was brilliant for us! From day one, his communication was spot on. He explained everything clearly, set out exactly what was included in the quote, and made sure we understood the plan so there were no grey areas or unexpected surprises which is everyone’s worst nightmare during a reno!! The quality and speed of the work were exactly what we hoped for. The team often worked weekends and late evenings to keep things moving. Omer was always at the end of the phone if we needed anything, and he’s genuinely a lovely person who made the process far less stressful with his humour. I’ll definitely be using him again.
CRAFT WORKS SURREY
Rating: 5 out of 5
Extension Builder in New Malden
Family owned business handling construction projects from design to completion. We only undertake larger jobs as we have economies of scale which allow us to be more cost effective at: - Full Refurbishments - Extensions - New Builds
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Latest review:
Restoration & Refurbishment- 23 Aug 2017
Lucien and the team converted two rooms back into one, & redid the walls and floor. The team did high quality work. Great job, highly recommended.
PB BUILDER LTD
Rating: 4.7 out of 5
Extension Builder in New Malden
I have a over 19 years experience as a multitrader in building industry. From 9 years I have LTD company and few teams of my guys. We do big and small projects like: house extensions, full house refurbishment,loft conversions,kitchen and bathrooms fittings, all type of carpentry work,blocks and pavings,fencing, painting and decorating,plumbing and electric jobs.
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Latest review:
Extensions- 8 Sep 2024
Paulo and his team, was so lovely, they got on with the job, complete it very quickly and was very patience with the delays so had to came back and finish the job. Would definitely call Paulo back for other work around the house
AT Line Construction
Rating: 5 out of 5
Extension Builder in New Malden
We are a limited company with many years experinece at construction and usually undertake medium to large size projects like refurbishment, bathroom restoration, loft conversation, extensions and general refurbishment. With high end quality.
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Latest review:
Extensions- 17 Nov 2022
AT Line Construction built our extension and worked on the remodel of the inside of our flat. We are extremely happy with the results. Adison and his team are very professional and friendly. They were able to deal with any changes and problems that came up quickly and sensitively. Part of the build was to renovate a small disused swimming pool - this was a tricky job, and they were able to help us creat an amazing pool. We would definitely recommend them.
Lewis ball
Rating: 5 out of 5
Extension Builder in New Malden
Hi, I’m Lewis, founder of Bourne Contracts LTD. I’m a bricklayer by trade and have over 10 years’ experience working as a builder across a wide range of projects. As a company, we specialise in all aspects of brickwork, including extensions, new builds, garden walls, patios, driveways, concrete bases, steel erection and propping, drainage, and repointing. No matter the size of the job, we approach every project with the same attention to detail and commitment to quality. We’re a friendly, reliable team who take pride in being punctual, well-organised, and easy to work with. Our goal is simple: to deliver excellent workmanship and leave every customer confident they’ve chosen the right builders. Feel free to look us up on Google or follow our work on Instagram, Facebook, and TikTok — @bournecontractsLTD.
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Latest review:
Groundwork & Foundations- 24 Sep 2025
Great job Lewis & Sam. Recommend this team.
Mark Flood Renovations
Rating: 5 out of 5
Extension Builder in New Malden
With over 20 years of crafting bespoke living spaces, Mark Flood Renovations has become synonymous with excellence in building homes that reflect the distinct personalities of their owners. At the helm of a team brimming with skilled artisans, we champion a commitment to craftsmanship and meticulous attention to detail in every project. Our services span the full spectrum of home creation, from custom-fitted furniture to full-scale renovations. We prioritize a collaborative approach, ensuring that your unique vision is at the heart of our work. The journey of transforming your home should be filled with anticipation, not anxiety. Our project management is carefully designed to provide peace of mind, keeping you connected and confident throughout the experience. Dedication to service quality is our cornerstone, underpinned by comprehensive insurance and guarantees on all work. Your investment is safeguarded, your satisfaction paramount. Discover the breadth of our artistry on Instagram and consider this an invitation to begin a conversation about your home's potential. Let's craft a haven that's unequivocally you.
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Latest review:
Carpentry- 14 Oct 2022
Mark F arrived promptly and with all the necessary equipment to complete the job. He took the relevant measurements and checked with me that those were fine, and carried on meticulously, ensuring that the dimensions and cuts were all accurate, he then fitted back the cabinet door with minimal fuss (also hauling it through my narrow staircase without damaging any of the walls). All in all a great job, a reasonable quote, and a brilliant result.
Axe Construction Ltd
Rating: 5 out of 5
Extension Builder in New Malden
Hello and welcome to Axe Construction Ltd. If you are thinking of renovating your home, building an extention or arranging general maintenance in your property, we are here to help. Our priority in job is to deliver high standard service to customer’s satisfaction.We offer a professional and friendly service to all private and commercial clients in and around London We are always go above and beyond to satisfy our clients.We are happy to provide references from our clients and arrange site visit
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Latest review:
Conversions - General- 7 Feb 2019
Paul and his team completed our project timely and at a competitive quote. The team was friendly and easy to communicate with. We had some specific requirement and they were able to find solutions for us quickly. Overall we are happy with their work.
Douglas carpentry and building
Rating: 4.9 out of 5
Extension Builder in New Malden
Douglas carpentry and building has over 10 years experience in all aspects of building work. We as a company have very high standards to accommodate all your building work needs from internal doors, skirting, architraves, built in wardrobes to all general building work. Hard working, dedicated, reliable, clean and tidy and here to give you a fair and honest quote. Please look at previous work on my Instagram page @douglascarpentry23
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Latest review:
Carpentry- 14 May 2026
Replaced a rotten external single door. The existing door frame was reused, as per request. This frame wasn't perfectly square which Alex had to compensate for. Alex arrived on time and completed the work without any unresolved issues, taking all offcuts and old door away for disposal.
RK ROOFING SERVICES / LOFT CONVERSIONS AND EXTENTIONS
Rating: 5 out of 5
Extension Builder in New Malden
Welcome to RK Roofing Services LTD with over 10 years experience in the roofing and building trade. Roofing repairs to full Extentions and loft convertions built, there really is not a job to big or small. For a highly skilled and reliable work team with a good portfolio of jobs undetaken and completed with customers left happy and always highly reccomend please feel free to get in touch for a free quotation today.
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Latest review:
We had a loft conversion done with a dorma, Richard and his team were very professional and reliable, great workmanship. Since then we have had him back completing other jobs around the house and will continue to use him when needed.
Premier London building projects Ltd
Rating: 5 out of 5
Extension Builder in New Malden
I am Arek from Premier London building projects Ltd I have over 20 years of experience in building sides . I and my team take pride in our quality of work and customer service .
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Latest review:
Bathroom Fitting- 5 Dec 2023
Excellent and very professional. The finishing is superb. I am a construction engineer and am very impressed. The works team are very positive and helpful. I will definitely engage them again.