Extension Builders in Upper Holloway | MyBuilder

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Some of our top rated extension builders in Upper Holloway

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Jaches construction
Rating: 5 out of 5
Extension Builder in Upper Holloway
Architectural Engineering drawings. Construction. Ground and first floor Extensions. Loft conversions. Interior design. Painting and decoration. Boiler installations.
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Latest review:
Conversions - General- 28 Jul 2023
I had Tony in to do my ballastrade, he also ended up doing a lot more work including my driveway, have recommend him to several people and all have used him, highly recommend
DS Developments
Rating: 5 out of 5
Extension Builder in Upper Holloway
My business is offering service in all the aspects of renovation, refurbishment and building work. My team is very reliable and respectful of our client's property. We work hard to make sure that all the work carried out is to the highest standards.
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Latest review:
Garden Maintenance- 17 Sep 2017
I hired DS Developments to completely landscape my small front garden. This involved clearing and levelling the area; moving and re-securing a bike shed; laying a patio and lawn; and a number of finishing touches. The area went from somewhat of an embarrassing eye-sore to an area of pride. One that several neighbours have already made compliments about. David provided a professional service from start to finish. His quote was more than I expected, but his knowledge and vision gave me the confidence to select his services. He provided a selection of options and stuck to budget; adapted well to new ideas/suggestions; and informed in advance where the cost would be impacted. He and his team also were as tidy and considerate as possible and I highly recommend their services.
PLANNING APP LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
We create architectural drawings. We are specialised in applications for planning permission and building regulations and co-operate with local structural engineers for structural calculations, party wall surveyors and building companies. Our projects include extensions, lofts, garages, house&flat conversions in different councils all around London. If you are thinking of extending, converting, or splitting your property do not hesitate to contact us for a free first consultation & quotation.
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Latest review:
CAD / Drawings- 23 Sep 2020
Marius has been doing a great job and put in an extra effort to ensure we were happy with the outcome. I can not recommend Marius highly enough, especially as he managed to fix an issue with the council that we had from someone else drawings. He was patient and very well prepared. Went an extra mile and gave us different ideas/options. He was flexible with timings and most importantly with price. Had by far the best quote and did an exceptional job.
Done By Tom Ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
Welcome to Done by Tom – we offer a completely bespoke design and build service for the London private sector. If you’re looking for clever, stunning and energy-efficient construction as well as interior design, we are it. At Done by Tom, we’ve come up with a unique success formula when it comes to memorable design and construction: combining the interior design, architecture and construction process into one seamless dream to deliver according to our clients vision.
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Latest review:
Fireplaces & Flues- 13 Nov 2017
i was so so happy with the service completed by done by tom. I had a really urgent last minute job and they were able to complete all the work to a really high standard and with a great price. I would trust them to do any building work in my house and am happy to have found a trusted builder for future works. Would recommend to anyone
Studi ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
Hallo. I doing extensions, lofts, drive way, resin bonds, plastering, tiling, fencing. Me and my workers are very professional, I got references and pictures from my works.thanks
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Latest review:
Workmanship Achieved to a very high standard All work done meticulously and within reasonable time frame Professionalism Very professional and maintained paper trial fir all work done Reliability Extremely reliable man of his word. I will hire him in a heart best again. Thanks again for doing an excellent job
DARDANIAL LIMITED
Rating: 5 out of 5
Extension Builder in Upper Holloway
Dardani. al Limited Experts in RC frame construction, deep drainage, basements, groundworks, steel fixing, refurbishments, loft conversions, brick & block work, and underpinning. Delivering quality, precision, and reliability on every project — from the ground up, Tarmac takes on all aspects of ground works, including structure, landscaping, civil engineering, and fencing
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Leonard goli
Rating: 4.7 out of 5
Extension Builder in Upper Holloway
Highty skilled construction with 10 years experience. Expertise in planning construction projects,defining scopes of work and labord costs. With plenty of experience in all aspencts of loft convention extensions barhrooms,kitchens,tiles,floor etc
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Latest review:
Decking- 1 Jun 2026
Extremely helpful and professional. Thank you
Villa project
Rating: 5 out of 5
Extension Builder in Upper Holloway
Villaprojects delivers high-end residential construction specialising in home extensions, loft conversions, renovations, and bespoke residential projects. We help homeowners transform their properties through quality craftsmanship, careful planning, and professional project delivery. From structural works and bespoke joinery to complete interior refurbishments and premium finishing, every project is completed with precision, attention to detail, and a commitment to the highest standards. At Villaprojects, we combine skilled workmanship with reliability, clear communication, and a clean, organised approach to deliver exceptional results from concept to completion.
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Latest review:
Very friendly and approachable. Happily discussed what was wanted and needed. Good attention to detail. Would recommend
PrimeUKContractorsLtd
Rating: 5 out of 5
Extension Builder in Upper Holloway
Prime UK Contractors is a London-based construction company providing high quality work for a reasonable price. Our projects are always finished on time. Our priority is the satisfaction of our clients. Our team consists of skilled, experienced builders who will help you execute your dream project.
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Latest review:
I recently used PrimeUK Contractors Limited for conversion works at our studios in Camden, and I couldn’t be happier with the results. The project timeline was set at six weeks, and the team delivered right on schedule. Pavlo and his team had a clear understanding of the scope and what needed to be achieved, going above and beyond to make the project a success. The quality and attention to detail in their work were outstanding, and my entire team was thrilled with the final result. Their pricing was competitive and fair, which was another bonus. When we have more work in the pipeline, Pavlo and PrimeUK will definitely be my first call. Highly recommend!
GREAT UK CONSTRUCTION LTD
Rating: 4.9 out of 5
Extension Builder in Upper Holloway
Welcome to GREAT UK CONSTRUCTION LTD! With 6 years of experience, we specialize in interior and exterior renovations alongside meticulous maintenance services. Our commitment to quality and innovation ensures excellence in every project we undertake.Thank you for choosing GREAT UK CONSTRUCTION LTD! Your trust in us fuels our passion for excellence.
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Latest review:
Bathroom Fitting- 24 Mar 2025
Open, Honest and good workmanship. Have got numerous other jobs done by Madalin - he is our go to person for any house projects! Thank You soooo much
SM Refurbishment Ltd.
Rating: 5 out of 5
Extension Builder in Upper Holloway
SM REFURBISHMENT LTD. is a well established company that has been in business for over 10 years and provides a comprehensive suite of building services. Our carefully selected team have a broad range of experience. If you are looking to extend, convert, refurbish or redecorate your property, we are here to assist you all the way from concept to completion offering individually tailored services. We are also specialists in carpentry and joinery projects as well as kitchen and bathroom refurbishment. We are FENSA accredited windows and doors installers.
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Latest review:
Restoration & Refurbishment- 21 Nov 2023
Slawek and Andrew did an amazing job on the front and side of our terraced house. The quote was fair (and they stuck to it) and the attention to detail was refreshing. We were kept informed throughout the works - communication was excellent. I whole-heartedly recommend SM Refurbishment.
DPS Building & Maintenance Ltd.
Rating: 4.7 out of 5
Extension Builder in Upper Holloway
We build, refurbish and extend buildings. Our strong regional presence allows us to foster trusting and beneficial working partnership with our customers, consultants, supply chain and local communities.
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Latest review:
Extensions- 15 Oct 2020
DPS were superb from start to finish. They were hired to build a single storey rear extension in North London including a new kitchen and bathroom fit. I met Ralph on site along with a number of other builders, Ralph was highly knowledgeable and clearly explained what was required with practical solutions. DPS clearly scoped out the timeline and cost for each stage of the build and kept to this. They completed several agreed extras throughout the job. Communication with Ralph and the whole DPS team was first class throughout. I own a number of rental properties and can comfortably say DPS are the best builders I've dealt with, I cannot recommend them highly enough, they will be my first port of call for future work.
Timall design& build Ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
Timall Undertake all sort of building work including New Build, Refurb, extension, loft conversion.
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Latest review:
I received planning permission for a 3m extension, garage conversion and garden office with a toilet/shower and the architect recommended Timall. We of course carried out all our due diligence before selecting Timall as our builder. I received around 8 final quotes from various legal and reputable builders, and gratefully we chose Timall after checking their previous projects. Timall renovated my townhouse, stripped to brick, repartitioned to be more functional for my family, moved bathrooms, new kitchen etc. The council building control said we needed piling for the 3m extension, and Timall were fantastic to change their plans to carry out other internal work whilst a piling specialist was called in, who Timall also liaised with. The garden office, 3m extension and garage conversion all went well. Parminder the director was very hands-on during the project daily, with his builders on-site daily, honest in his advice, and very experienced in his knowledge of the building industry.
My Home Services London Ltd
Rating: 5 out of 5
Extension Builder in Upper Holloway
My Home Services London Ltd is a professional construction and home improvement company specialising in bathroom and kitchen renovations, house extensions, loft conversions, and full property refurbishments. We also provide expert gas, electrical, electronics, and smart home (domotics) installation and maintenance services. Our team delivers complete, high-quality solutions designed to transform homes by combining functionality, comfort, style, and modern technology. From small upgrades to large-scale renovation and extension projects, we work with a safe, reliable, and professional approach tailored to each client’s needs and vision.
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Latest review:
Handyman- 29 May 2026
Absolutely fantastic service, they did a great job!!! Friendly and professional. I look forward to having them back for more jobs. 100% highly recommend!! Thank you very much!
KG DESIGN & BUILD LTD
Rating: 5 out of 5
Extension Builder in Upper Holloway
Hi I`m Kleida .I worked in Building industry for a while now and I have built a quite a knowledge on extensions loft conversion and refurbishment . I recently decided to start working for myself .I also have a very good working team with various knowledge on various stages of projects .
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Latest review:
Conversions - General- 8 Oct 2025
Gaz and his team were professional and hard working, and clear about what would happen when. The job is now finished to a good standard, and on time.
SEASOUTH BUILDS LIMITED
Rating: 5 out of 5
Extension Builder in Upper Holloway
At Seasouth Builds, we bring over 5 years of hands-on experience in the building and construction industry. Known for our loyalty, reliability, and attention to detail, we take pride in delivering high-quality workmanship on every project
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Latest review:
Tiling- 24 Sep 2025
I hired seasouth builds because not only did he give a really reasonable quote, but he also had knowledge of tiling over retrofit underfloor heating - which other tilers seemed to be really hesitant to work with. The job was done to an excellent standard - he’s a real perfectionist. It did take a bit longer than expected, due to some floor level issues which he didn’t account for when he quoted. I was really worried about the price increasing out of my budget when we started running over time, but I was so grateful to find that he was a really honest guy who stuck to the agreed quote and didn’t try to make it my problem one little bit. He was polite and friendly throughout the whole job, turned up whenever he said he would, and kept in constant contact. Really honest (I happily left him unattended in my property). Customer service was excellent, nothing was too much trouble. 10/10 would recommend.