Extension Builders in Upper Holloway | MyBuilder

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Some of our top rated extension builders in Upper Holloway

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Signature 1 Construction Ltd
Rating: 4.5 out of 5
Extension Builder in Upper Holloway
Signature 1 Construction LTD is a family run business with over 25 years experience in the building industry. We specialise in extensions, loft conversions and full house refurbs. Every job we undertake we take great care of the clients house and are experienced project managers will look after you from start to finish.
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Latest review:
Extensions- 30 Sep 2025
Overall, I’m very pleased with the work Marin has carried out for us and I’m currently in the process of instructing him to do more work. Marin built a high spec cedar shed for us with electrics and plumbing, some brickwork and laid composite decking. Marin came across, honest and reliable, which in itself is rare. He was on site most mornings to make sure his tradesmen were on the right tracks. Like with a lot of these things there were some issues along the way and I was highly impressed by Marin’s ‘no quibble’ approach to rectify any problems. I myself have a high attention to detail and am quite indecisive (nightmare client) and Marin was happy to work with me with changes to the project without incurring extra costs.
Almedon construction
Rating: 4 out of 5
Extension Builder in Upper Holloway
Almedon Construction is a privately owned family run business that exudes energy, ambition, and confidence. We leading independent versatile and experienced construction business for more then 15 years providing specialist solutions for Remediation, Groundworks, temporary works, and RC Frames, precast & insitu concrete, frames, external works, loft conversion, extension, Interior painting & decorating, Exterior painting & decorating across London.
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Latest review:
Painting & Decorating- 14 Feb 2023
Edwart is polite, gave a competitive quote and got started straight away. He provided the materials and the workmanship is good enough. He and his team worked hard and stopped smoking in the house after I asked them not to.
Mobi property solutions Ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
We are a family run business with over 40 years experience in the construction and maintenance industry. We understand our customers needs and the service that’s expected!
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Latest review:
Electrical- 29 Sep 2026
Great work fitting the hob, came back to fix an issue for no extra cost
SGB Water Engineering
Rating: 5 out of 5
Extension Builder in Upper Holloway
SGB maintain an interactive IT process, to ease transparency and movement of information data, to all parties involved in any one project. We have a combined 25 years professional experience in the civil engineering / construction management. We are experts in water utilities management enabling us to offer a variety of services and solutions in this area.
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Latest review:
Plumbing- 9 Dec 2020
Work completed and problem has been resolved .
Restoration and Refurbishment Specialists Limited
Rating: 5 out of 5
Extension Builder in Upper Holloway
Cubitt Wren is a London refurbishment and restoration firm. We deliver full refurbishments, renovations, extensions, kitchens and bathrooms, and loft conversions - with particular care for the character of period and listed homes. Every project is led personally by a Project Director and delivered by our in-house trades: carpentry, joinery, plastering, stonework, tiling and decoration. One team, one point of contact, from first survey to handover. Before work begins, you'll have a detailed written scope and clear pricing, so you know exactly what's included and where you stand. A clear programme keeps you informed throughout, and our aftercare commitment continues beyond handover. We build homes and spaces we're proud to put our name to.
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Latest review:
We recently had our bathroom refurbished by Cubitt Wren in London, and we couldn't be happier with the result. From start to finish, they were reliable, professional, and always turned up when they said they would. The work was completed quickly without compromising on quality, and the whole team was polite and respectful throughout. Communication was excellent the entire way through. They kept us updated at every stage, answered any questions we had, and made the whole process stress-free. The finished bathroom looks fantastic, and it's clear they take real pride in their work. I would definitely use Cubitt Wren again in the future and wouldn't hesitate to recommend them to anyone looking for a reliable and skilled company.
London & Kent Best Kitchen & Bathroom Solutions Ltd.
Rating: 5 out of 5
Extension Builder in Upper Holloway
Our highly skilled team of builders, carpenters, electricians, decorators and plumbers are reliable, trustworthy and dedicated to achieving the highest quality finish for your project; however large or small. Each project is tailored to your requirements and managed via a single point of contact.
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Latest review:
Bathroom Fitting- 26 Nov 2020
Sylwester and team did a fantastic job and were incredibly accommodating and polite with all of our requests. Would definitely recommend.
Jt building
Rating: 5 out of 5
Extension Builder in Upper Holloway
I have been a multi trader for over 12 years, with quite extensive experience working in majority of trade departments from kitchens, bathrooms, tiling, plumbing, doors, windows, joinery, carptentry, first fix, second fix, loft conversions and extensions, have seen through many projects and worked with many people. Can also assist with design ideas/plans as well as build. Happy working with small or large projects, take full responsibility and pride in my work.
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Latest review:
I couldn’t be happier with the work carried out on my home. The tiling on the ground floor, the laminate flooring upstairs, and the kitchen units were all completed to an exceptionally high standard. The attention to detail was outstanding, and everything was finished neatly and professionally. He was reliable, hardworking, and clearly takes great pride in his work. The end result looks amazing and has completely transformed my home. I would highly recommend him to anyone looking for quality workmanship.
W.A. Brown Builders LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
I have been in the building industry now for over 40 years, I started as a buidlers labourer back in 1983 for my uncle, working on houses and in offices in the maida vale area.
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Latest review:
Carpentry- 20 Jul 2024
Wayne and his team did a great job. Communication and planning was effective from the start, and stuck to the deadline that was set at the beginning of the project. I’d definitely hire again for my upcoming projects.
OBE BUILDING LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
At OBE Building Ltd we are building a reputation by providing our clients with the very best of our services,efforts and expertise.We have very good working ethic and a well balanced mutual interest.With our set up we always deliver satisfaction to both clients and ourselves the builder.So please do feel free to hire us and give us your trust. Thank you.
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Latest review:
Extensions- 25 Jul 2023
Vini and his amazing team became part of our family for the months they were working on our house! Attention to detail and great communication was a top priority for me before starting our large scale renovation, and they delivered above and beyond on every front. Vini’s team helped transform my vision into a reality - they weren’t thrown or intimidated by any of my crazy/creative ideas, and were equally ready to advise and bring constructive ideas of their own to the table, based on their years of experience. We would highly recommend Olaj Brothers as trustworthy, professional and highly skilled tradesmen.
Haxhi D LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
Our company is dedicated to becoming your contractor of choice no matter the service. We pursue excellence. Our dedicated and experienced team deliver quality in a timely fashion. we provide construction services and every job schedule is completed on a “Fast Track” basis with an emphasis on quality workmanship.Our pledge to excellence and customer satisfaction has led to repeat corporate with our clients and has been the cornerstone of our growth.
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Latest review:
Haxhi and his team exceed my expectations. We did agree on a bathroom renovation which basically everything was done from scratch. He was always on time and he met the deadline of the project. I had an issue with my water pump but he managed to fix it for little cost. Also he did the tiles for me on the wall and floor with very minimum waste and he did a brilliant job. We changed the position of the basin in order to save space and we did replace it the washing machine(hidden). We are now working on my other property to renovate the bathroom. Hahxi is very professional, knows the job very well, he did coordinate with me on every step to make sure we are on the same page . I strongly recommend him for any renovation project you may have.
Su Su Construction Limited
Rating: 5 out of 5
Extension Builder in Upper Holloway
Welcome to Susu Construction: Your Premier London Construction Partner Are you searching for a London construction company that stands out for its excellence, commitment, and innovation? Look no further than Susu Construction, your go-to choice for top-notch construction solutions in the bustling capital of London.
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Latest review:
Groundwork & Foundations- 2 Dec 2022
We are very happy and glad to have found Su Su Construction. It is great to work with such an open minded contractor who is very experienced and diligent. To us architects it is really important to be able to explore alternative means of construction in order to create long lasting, beautiful and healthy environments and with SuSu we are on the right track. Highly recommend.
REA Construction LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
The company’s success is built on the strong belief of quality work, attention to detail and on-time completion. Rea Construction Ltd has an in house team of builders, architects, and interior designers with all the relevant skills and qualifications which enable us to offer a fully comprehensive design and build service. Get in touch today for a free on site consultation.
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Latest review:
Extensions- 8 Dec 2017
We couldn’t be happier with the professionalism and quality of workmanship from REA Construction. The project was delivered within budget and on time. We lived in the property during the work and we, our neighbours and the site were always treated with the utmost consideration. There were almost no hitches and, when they did occur, they were dealt with immediately and thoroughly. Our project team, led by Kristjan and Besi, were universally hardworking, organised and produced work to an excellent standard. Communication is great, the people are wonderful. Renato was someone I felt I could trust from the moment I met him and he never let us down. He and everyone at REA genuinely care about what they do and that their customers have a happy experience. We certainly did and would have no hesitation recommending them to others.
H&J Properties 02 Ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
H&J Properties is your friendly, reliable small team with over 10 years of experience in the building industry. We design, plan, build, and project manage, so you can rely on us for a full round of service. From floor and wall tiling to full kitchen and bathroom installations, we’ve got your home covered. We handle plastering, painting, drylining, insulation, and more with precision and pride. Need a loft, rear or basement extension, a new roof, or concrete work? No problem. Whether it’s bricklaying, basement waterproofing, or installing windows and doors, we bring craftsmanship and care to every job. Big or small, we build it right. Please message us directly for more project images.
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Latest review:
We have contracted H&J Properties for our house refurbishment in London. I was impressed with the team's professionalism and project management from start to finish. We had no plans or planning approved, so we wanted a design and build company who will be able to look after the project from start to finish. They did just that. Working with the architects and the planning application before starting the project planning. As always, there are, of course, unforeseen issues arising with the old houses in london but I could't be happier with the communication received from the team. Thanks for the great job.
LEBELLE HERITAGE & RESTORATION LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
Lebelle Heritage & Restoration Lebelle Heritage & Restoration is a professional building and construction company specialising in renovations, refurbishments, and heritage restoration. We take on all types of projects, from full property renovations and structural upgrades to detailed interior finishes and the careful restoration of period features. Our team is skilled in both traditional craftsmanship and modern construction methods, allowing us to deliver work that is reliable, high-quality, and built to last. Whether we’re restoring the character of an older property or breathing new life into a modern home, we focus on precision, honesty, and clear communication throughout every stage of the job. We pride ourselves on delivering clean, efficient, and well-executed work that meets the needs of our clients and respects the integrity of each building. At Lebelle Heritage & Restoration, we build, renovate, refurbish, and restore with a commitment to quality and long-term durability.
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Latest review:
After a previous contractor took our money and left our loft extension unfinished, we were devastated and worried about how we would ever get our home back to normal. Then Lewis from Lebelle stepped in and completely turned things around. Lewis was patient, understanding, and incredibly professional. He worked quickly, kept costs under control, and finished the loft extension to a standard we’re so happy with. The stress he took off our shoulders was unbelievable. We honestly can’t thank Lewis enough. If you’re looking for someone trustworthy, skilled, and genuinely caring, Lebelle is the company to call.
Yener Limited
Rating: 5 out of 5
Extension Builder in Upper Holloway
Quality approved by Federation of Master Builders.Specialists at Extensions,Loft Conversions,Refurbishments and Garden Studios.We offer a design and build package with a skilled team and certified specialist. FREE quote
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Latest review:
Painting & Decorating- 22 Mar 2024
I thought it was a bit of a longshot attempting to get a decorator to complete my job on such short notice, but no - the team at Yener were not only able to accommodate my timeframe, but they did a perfect job! Very happy with the outcome and would highly recommend!
Kamil
Rating: 5 out of 5
Extension Builder in Upper Holloway
In London from 8 years. 15 years of experience in whole building range. Best in flooring
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Latest review:
Carpentry- 13 Jan 2025
Very good standard of work at a fair price and Kamil is conscientious, polite and tidy!