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Post a job
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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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Browse profiles, work history, and feedback, then choose who you wish to share your details with.
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BUILD ON TIME LTD
21 reviews • 95% positive ratingExtension Builder working in WhetstoneTrade Member since 2011BuildOnTime LTD is a family business and one of the fastest growing building companies in London.We have over 20 years of experience in all types of building and construction works.Our team is structured from highly qualified, friendly and ambitious workers.We are your read more
Latest Extensions feedback review:
Double story rear extension
build on Time completed a two-storey extension on my house. All the work was completed to a high standard and within the timeframe agreed upon. Paul made sure each stage of the work was completed properly and was able to accommodate changes...
By gilad40540 on 3rd Aug, 2021
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DPS Construction
10 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2014We 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. read more
Latest Extensions feedback review:
Side Return/Extension
DPS completed a single story side return extension which we were really happy with. Ralf spent time with us during the beginning of the project to plan out timescales, price and ideas on finishing. The bit we most enjoyed with DPS though...
By samj_79 on 3rd Dec, 2020
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QUBE DESIGN & BUILD LTD.
10 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2013Qube Design&Build is an experienced Design & Construction company specializes in residential Extensions, Loft Conversions, Full refurbishments, New Homes and Contemporary Gardens.We undertake all design, planning & building control submissions, structural calculations and read more
Latest Extensions feedback review:
Rough quote for work on house purchase, happy to pay
I used Sam to come to view a house we are considering purchasing, with view to getting his opinion on potential extensions and costs etc. I was extremely happy with his advice. Before coming on site he had done his homework in terms of past...
By gm100_78 on 30th Jun, 2021
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Assured Builders London
6 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2017We have been in the building trade for 25 years, we are a professional building company specialising in New Builds, Extensions and Loft conversions & renovations in London & Hertfordshire. The majority of our work is through personal recommendations. We are always happy to read more
Latest Extensions feedback review:
Home renovation
We have instructed Assured Builders to carry out out our renovation work. Work has just started and the foundations have just been laid down. I am so please to have found Assured Builders. Nikki and Lee are a pleasure to work with. Any...
By ashmann2017 on 5th Feb, 2019
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Woodhouse Builders Ltd
188 reviews • 98% positive ratingExtension Builder working in WhetstoneTrade Member since 2014Welcome to Woodhouse Builders Ltd, we cover all aspects of property maintenance and no job is too small or big for us. We employee a reliable , trustworthy and hard working staff.Our success is built on providing the best services and ensuring that all our customers are read more
Latest Restoration & Refurbishment feedback review:
Refurbishment project- kitchen, bedroom, bathroom
We are so glad to have Art and the team to help with the refurbishment. They were easy to communicate, giving all the helpful suggestion, hard working and always happy to offer extra help sorting out all the issues. We are very happy with...
By chilily on 11th Feb, 2022
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Reian construction ltd
9 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2018I have been in construction industry for at least 17 years in London mostly round Hampstead and west London, west end , Ground work drainage, payment ,landscaping , extension, carpentery, fencing,roofing ,bricklaying, read more
Latest Extensions feedback review:
Extension
Besim and his team were great From start to finish They built my kitchen extensions and other decorations jobs in my house I am really happy with their work and I am happy to recommend him my friends and family members. Thank you...
By er_electrical_services on 27th Nov, 2021
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M & G Home Improvement
9 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2020With over 12 years of experience in the construction industry and an admirable track record, M&G Home Improvement can have confidence in providing remarkable levels of competence and expertise from new-builds to all refurbishment projects. We are very well recognised within read more
Latest Extensions feedback review:
New garage build
Miri and his team built a 6mx6m garage/outbuilding with a pitched roof, cavity walls and insulation. The price was very competitive, the work very fast and to the highest quality; would highly recommend and use again.
By guy92318 on 20th Apr, 2021
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CIF Builders
5 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2015We are family run business and have been in the trade since 2001. Our professional team will always give the best they can to achieve optimal results and most important for us are the finishing details and customer satisfaction. We can provide a range of different services read more
Latest Conversions - General feedback review:
Internal wall removal
Found John to be extremely helpful in giving ideas for problems which came up. Would Highly recommend them, they were very happy to come back and sort out a few snags even after full payment was give. When a wall was been taken down a lot...
By gbroughall on 29th Jul, 2015
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Zenstruction
467 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2017Established builder with excellent experience since 2005 and have great knowledge in the trade. We are known for excellent work standards, health and safety and high quality projects within budget and timeframe for completion. read more
Latest Fascias & Soffits feedback review:
Replace fascia/ soffits and guttering
Arrived on time and the job was quite reasonable within my budget. He guarantees the works for next 5 years. I am not surprised he gets more reviews .
By rajendra68212 on 4th Feb, 2023
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Home Decorating
65 reviews • 98% positive ratingExtension Builder working in WhetstoneTrade Member since 2011Here at ”Home Decorating” we believe in customer satisfaction in the finished product and we are committed to giving the best results every time. Our motto: happy clients are returning clients :) read more
Latest Restoration & Refurbishment feedback review:
New bathroom fitting Edgware
Gina has been an absolute delight, very accommodating and has a great way of understanding what her clients desires are and Explaining the process behind the vision and how to get there. I highly recommend Gina as her personable manner is...
By fee181 on 17th Oct, 2019
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AMG LONDON
2 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2014AMG places great emphasis on the importance of up to date methods of design and construction. As a key player at the forefront within the market place we specialize in building Extensions, Loft conversions, Drylining, ceilings, painting and decorating to complete internal read more
Latest Extensions client reference:
Stefan took over a project for me which was the renovation. He organized and did the plumbing, electrics, flooring and decorating. I was pleased with him, he was referred to me. His pricing was reasonable, all the tradesmen he had were...
Reference taken by MyBuilder on 1st Sep, 2014
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CONSTA Construction Limited
4 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2017CONSTA Ltd - small construction company based in London, and characterises in flexibility to complete various jobs . There is list of different small or awkward completed jobs in our portfolio as well as more significant projects as loft conversions, extensions, full house read more
Latest Hard Flooring feedback review:
To fit Engineered wood floor
Excellent, worked quickly, cleanly and floor looks fantastic. Good communication throughout.
By adamcass on 11th Dec, 2018
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PML Architecture Ltd
5 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2014We are RIBA registered architects with a wide range of experience of over 25 years within architecture, design and construction. We are experienced at new builds, full refurbishments, extensions and conversions, and have completed numerous residential and commercial projects read more
Latest Architecture feedback review:
Planning application for new dwelling
Phil is currently helping us with the planning application process to build a new property. This includes liaising with the council and other consultants on our behalf. Phil really knows his stuff, is easy to work with, and deals with...
By sammy_75 on 26th Jun, 2016
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ScutariConstruction
10 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2018Scutari Construction is a limited company based in London. We are a very reliable and professional team of tradesmen with over 10 years of experience on the building industry, committed to deliver the highest levels of quality and service to our clients. read more
Latest Extensions feedback review:
Rear/side extension and refurbishment project in E18
I hired Ymer and Nimet for my extension and renovation project last year. We made a number of changes to our plans along the way, yet the project was completed on time and to a high specification. Outstanding workmanship from the entire...
By anwar51467 on 24th Mar, 2021
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Pine Construction Ltd.
3 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2014As a civil engineer and principal building contractor we consult, design, construct and project manage any dwelling and commercial projects from minor repairs to complete new-build as well as any type of restoration/renovation and basement construction projects. read more
Latest Extensions feedback review:
Full refurb of house including extension and loft
The best team in London to work with they are highly skilled professionals and very easy to work with looking forward to work with them again
By samboy on 19th Oct, 2017
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AH Builder
10 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2019AH Builder Ltd specialise in all types of building we are professional and very determined to ensure our clients expectations are met. we have worked on many different building projects for more than 10 years experience. read more
Latest Extensions feedback review:
Kitchen extension
Well, I do not usually write reviews, but this time is an exception. So after getting a number of quotations, I decided to go ahead with Fredi. The process was very smooth throughout, Fredi is a great individual and a reliable professional....
By mahdi65143 on 13th Nov, 2020
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Alb Homes Ltd
8 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2010Alb Homes Ltd is a family-run business that’s evolved from humble beginnings. With over 17 years of experience and 80+ projects completed, we have honed our skills to a level recognised by the Federation of Master Builders. We are always on hand to answer any questions and read more
Latest Groundwork & Foundations feedback review:
concrete patio in garden
Very impressed with Tim and his colleagues. They arrived on time every day. They maintained very high standards throughout, clean, tidy and very hardworking. Would definetely reccomend and use this company again.
By anon-181031004502586101 on 2nd Jun, 2012
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R.A.S. Construction And Design Ltd
5 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2015R.A.S Construction and Design Ltd is a well established company specialising in all aspects of construction and hard landscaping work. Our work is carried out by our own employed teams and we offer free advice and quotations. All our work is guaranteed and fully insured read more
Latest Extensions feedback review:
Renovation and Extension of 1 bedroom Victorian flat
We had a one bedroom lower ground floor garden flat and did a side return and extension into the garden. The flat is in West Kensington area. We also did a full internal refurbishment and moved just about every wall, moved boiler, new...
By westken15682 on 10th Jun, 2020
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MarioM Construction
2 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2016We have spent 15 years in the construction sector. Having experience both in the private sector and commercial sector, we use innovative and modern technology to complete your work. In effect, we achieve higher precision, shorter work times and due to this a lower cost for read more
Latest Extensions feedback review:
Entrance hall extension including new downstairs toilet
Mario planned all the work with us, listening to our wishes and coming up with good ideas. He sent us a quote the next day and was responsive to our changes. We were very happy with the work he has done. They worked quickly and almost...
By anon-220826013004306562 on 25th Aug, 2016
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Ns&sons Construction Ltd
3 reviews • 100% positive ratingExtension Builder working in WhetstoneTrade Member since 2019Welcome to NS & Sons Construction Ltd with over 18 years of experience, We cover all types of work from new builds to total refurbishments all at competitive prices with completion on time & to our customer's satisfaction read more
Latest Extensions feedback review:
New porch
Excellent I’m very pleased with his work and will use again in the future
By sam36659 on 10th Nov, 2019
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 Whetstone in North London have an average review score of 98% positive based on 3,170 homeowner reviews.
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Towns near Whetstone
- Totteridge
- Woodside Park
- North Finchley
- Friern Barnet
- Bounds Green
- Barnet
- Finchley
- New Southgate
- Southgate
- Oakwood
- Finchley Church End
- Colney Hatch
- Mill Hill
- East Finchley
- Muswell Hill
- Holders Hill
- Hampstead Garden Suburb
- Palmers Green
- Winchmore Hill
- Grange Park
- Bowes Park
- Temple Fortune
- Wood Green
- Hendon
- Grahame Park
- Grahame Park Estate
- Golders Green
- North London
- Hornsey
- Brent Cross
Other trades in Whetstone
- Architectural Designers
- Bathroom Fitters
- Bricklayers
- Carpenters & Joiners
- Carpet & Lino Fitters
- Chimney & Fireplace Specialists
- Conservatory Installers
- Conversion Specialists
- Damp Proofing Specialists
- Decking Specialists
- Demolition Specialists
- Driveway Pavers
- Electricians
- Extension Builders
- Fascias & Soffits Specialists
- Fencers
- Flooring Fitters
- Gardeners
- Gas Engineers
- Groundworkers
- Guttering Installers
- Handymen
- Heating Engineers
- Insulation Installers
- Kitchen Fitters
- Landscape Gardeners
- Locksmiths
- Loft Conversion Specialists
- New Home Builders
- Painters & Decorators
- Plasterers
- Plumbers
- Repointing Specialists
- Restoration & Refurb Specialists
- Roofers
- Security System Installers
- Stonemasons
- Tarmac Driveway Specialists
- Tilers
- Tree Surgeons
- Waste Clearance Specialists
- Window & Door Fitters
- All Builders
- All Tradespeople
Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- Tying in to existing brickwork/ continuous cavity in new + old walls
- 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 .
- Converting an old conservatory into kitchen
- Idea of cost for second floor extension only