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Post a job
Tell us about your job, and we'll alert suitable extension builders in Covent Garden. 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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Extension Kings Ltd
85 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2017I've been working in building trade for over 20 years , I can undertake any job small and big from foundations to the roof and anything between. I can provide any references and I have insurance of £5 million. Me and my team take pride at what we do and we do it first read more
Latest Conversions - General feedback review:
Enlarge opening on brick shed for new door
Alban and his team arrived on time, the work was done as per the quote and completed to a high standard, his team were helpful with everything we wanted. they cleaned up thoroughly after the job. I would use Alban again for any work we may...
By mr53707 on 3rd Dec, 2021
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30 Day Extensions Ltd
21 Feedback reviews, 95% positiveExtension Builder working in Covent GardenTrade Member since 2016We have recently completed 81 extensions and lofts! We build high spec extensions/lofts in 30 days/240 hours- watertight plaster finish. Opening high st shops first open at Wimbledon.We also build ECO friendly ICF walls. We have contracts with Howdens kitchens& other brand read more
Latest Extensions feedback review:
Ground Floor, Single Story, Side Return Extension
I could not recommend the 30 day team higher. I am absolutely thrilled with the side return extension project they completed. The team are efficient, resourceful, always available, flexible and very knowledgeable. I had some concerns...
By georgecarter3333 on 27th Jan, 2022
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PAL LEE GROUP LTD
5 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2018PAL LEE GROUP LTD is a London based construction company carrying out its services over the capital. We are a skilful team of builders with a number of successfully completed projects in property extensions and full house refurbishments. Our company provides complete project read more
Latest Extensions feedback review:
House renovation and extension.
After 6 months of seeing Sergiu's team building my dream house, the job is finally finished. When standing in front of the new house, I can only say that I am so happy with it! Sergiu is a great guy and has a good team of people...
By zhongfeng190 on 12th Dec, 2019
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Bluelime Design and Build
22 Feedback reviews, 95% positiveExtension Builder working in Covent GardenTrade Member since 2012Bluelime is a one stop shop for all your planning, interior design , structural engineering and construction needs. With over 8 years worth of happy customers we pride ourselves with our honest and inventive solutions. Free initial consultations and proven track record of read more
Latest Architecture feedback review:
Extension & Refurb - Architectural & Structural Drawing
Bluelime Architects helped us design our new house - from helping us maximise the utility of the space available to us, to designing the side and rear extensions, including detailed structural drawings and engineers calculations. Both Alton...
By chris_morgan_79 on 4th Dec, 2018
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My Trusted Builder Ltd
9 Feedback reviews, 89% positiveExtension Builder working in Covent GardenTrade Member since 2013When choosing My Trusted Builder know that our key focus is on customer satisfaction. We are here to add value to your project with our team of expert surveying and contracts managers. As a member of The Federation of Master Builders we are recognised for the quality of our read more
Latest Extensions feedback review:
Loft/first floor conversion, ground floor extension
A massive and expensive disappointment. Alex made a big play about the quality of his work when selling his services to me. “Expensive but worth it!” said the banner put up outside my house. It was certainly expensive, however a...
By ngates on 10th Oct, 2019
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Glorum
5 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2017GLORUM Limited is a London-based construction company with 10+ years of building experience in domestic and commercial projects. GLORUM Ltd is your one-stop construction company made up of highly qualified and skilled tradespeople, designers and engineers that can read more
Latest Extensions feedback review:
Buildings extension - Permission granted
Glorum has been extremely professional and hard working. They fulfilled the deadlines given. They have good team of all trades. Their admin is strong as well. They give attention to detail and come up with new ideas and technology. Great...
By user_der on 16th Nov, 2018
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SIA Design Build
5 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2017We are a design build firm with over 14 years experience in the construction and architecture sector. We both have masters in architecture and are capable of assisting with all aspects of services. We have worked on over 40 residential projects in London since opening and read more
Latest Extensions feedback review:
Terraced House Refurb
Antonio came on site and helped generate a quote for a property that we were looking to purchase. He was very responsive, attentive and a joy to work with during the 2 weeks we dealt with him. We can’t comment on the carried out works as...
By emilypun on 4th Nov, 2021
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J&N Contractors
9 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2013We are a family run building company , originally established in the East End of London back in 1971 , now operating from Essex, covering the whole of London and Essex. Approved by trading standards with a £5million public liability insurance. read more
Latest Conversions - General feedback review:
Cellar conversion/refurbishment
Steve and his team provided a quote at a competitive price and completed the work to a decent standard - thanks.
By jo_willmott on 16th Oct, 2019
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REA Construction LTD
6 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2013The 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 read more
Latest Extensions feedback review:
Rear extension
We are nearly at the end of the project and so far we have nothing but positive things to say about REA Construction. Very professional and Renato is very easy to work with and flexible in his approach to the project. REA have done the job...
By ray_253 on 11th May, 2017
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Musawir Architecture Limited
6 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2020We are fully qualified & established architectural design team, with high success rates in obtaining residential and commercial planning approval. A multi-disciplinary consultancy with 10 years combined experience. We provide services for all projects, new builds, read more
Latest Extensions feedback review:
Quote for 2 storey extension (bedroom/playroom)
Abul was very professional and went through our extension plans thoroughly, making sure he understood exactly what it was we were after and made some suggestions himself. He has been very easy to contact with any queries, a great service.
By beth_miller_23 on 5th Feb, 2021
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Pacho Build ltd
3 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2018At PACHO Build, we have years of experience in the building and joinery industry. We have tackled projects large and small and are always eager to show our creative abilities to new clients. Through experience we understand communication is the key factor to a successful read more
Latest Extensions feedback review:
2-storey Extension, High Barnet, Herts
We chose Pacho Build Ltd over a number of other contractors to complete a 2-storey extension of our home. We felt that Johnathan showed greater enthusiasm and understanding of our needs when surveying the house, and that led to our choosing...
By richarddormer on 10th Dec, 2018
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Samul Construction LTD
22 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2008Estimate Prices From: * Loft Conversion £50k(labour+materials+scaffolding) * Home Extensions £3-4k per square metre * Basement £3-8k per square meter (labour+materials). * Bathroom refurbishment £8k (labour). read more
Latest Extensions feedback review:
3 by 3 back extension
June 2011 - Jan and Chris completed our extension within the time-scales agreed (8 weeks) and contract terms. Their approach was very professional, and within the price. No extras were charged or unnecessary surprises outside written...
By mr_greyson on 16th Jul, 2012
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Has Constructions Ltd
3 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2020Has Constructions LTD, We are a building company with more than 30 years of experience in all chosen aspects of the construction industry. We specialise in works such as: -New builds -Extensions -Loft conversions -Full refurbishments -Electrics/ Plumbing We aim read more
Latest Extensions feedback review:
Front porch
What can I say...it was a pleasure doing business with Muhamet and son. I'm soooo happy!. There was a continuous level of professionalism from start to finish. I hired them as my husband said they came with a positive attitude and wasn't...
By gordon_684 on 19th Mar, 2021
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Azure Design Ltd
7 Feedback reviews, 86% positiveExtension Builder working in Covent GardenTrade Member since 2019Hi there! My name is Gaz and I am a builder who has been in the building trade for well over 10 years. I have completed numerous jobs all over London and greater London, my specialities include; loft conversions, extensions as well as general refurbishments. My previous read more
Latest Extensions feedback review:
Side & Rear Single Storey Extension approx 45m2
Gaz and his team were excellent from the first time we met. They provided us with ideas to better our layouts, helped with sourcing a number items and put us in contact with suppliers which helped us achieve more competitive prices. I was...
By ajmass on 4th Jan, 2021
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GS GEO LIMITED
53 Feedback reviews, 98% positiveExtension Builder working in Covent GardenTrade Member since 2016Extention ,loft, House refurbishment, Bathroom refurbishment, decorating, wallpapering, fix coving, Tiling and laminate, service. available 7 days a week . read more
Latest Extensions feedback review:
Infill extension, kitchen fitting, and 4 new bathrooms
We recommend Giorgi enthusiastically. We achieved a very impressive level of fit, finish, and functionality for a good price on our complex 2 storey side and rear extension. He and his team are exceptionally hard working. We made some...
By julia96412 on 2nd Oct, 2021
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Inside Out
78 Feedback reviews, 99% positiveExtension Builder working in Covent GardenTrade Member since 2015Inside Out was formed in 2009. We are an established, London based building company operating throughout London and within the M25. We deliver an honest and straight forward service, with quality workmanship at the forefront of everything we do. read more
Latest Extensions feedback review:
Studio garden with foundations of 3m.
He said he could do it, but the truth was that this job was too big for him. Concrete walls collapsed, water filtered from roof, none of the walls are straight etc…, he left the job unfinished and didn’t provide certificate for...
By ana_b_35 on 17th May, 2022
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FNA Engineering Ltd
5 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2019FNA Engineering is a private limited company that was established in 2017, we are based in Acton, London. The team has over 11 years of experience in the field of construction, particularly the residential field. Area of residential experience would be house extensions, read more
Latest Extensions feedback review:
Back extension enlargement
Difficult to start because of the Covid pandemic lock down but they stepped up quickly once we came out of lock down. Work went quickly and well as they kept everything as tidy as possible considering the building was partly occupied by...
By bartley43 on 6th May, 2021
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Craft of London
10 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2012Craft of London are an established building company, specialising in design and build projects, creating bespoke interiors and homes. Our workmanship is of the best standard in London for either small, medium or grand designs. read more
Latest Restoration & Refurbishment feedback review:
Fitting new window and internal reconfiguration
Excellent job done by Kel and the team to a high standard and with minimum fuss. Kept up to date on any issues and work completed within timeframe. Easy to work with and would certainly use again.
By rollo_94 on 17th Jun, 2014
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MYCO Contractors Limited
8 Feedback reviews, 100% positiveExtension Builder working in Covent GardenTrade Member since 2019We are experienced and hard working team of professionals who carry out complete extension building and refurbishment projects. Our work speaks for itself. We move from a client to another purely through recommendations and our clients are always happy to share nice read more
Latest Extensions feedback review:
Kitchen extension
On a cold November evening, Tony and his team turned up to provide a quote and within a week this was received. The quoted price came in the middle of the pile, which was a good start and aligned closely to the ballpark figure I'd received...
By shappir on 4th Aug, 2020
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Good Choice Builders LTD
1 Feedback review, 100% positiveExtension Builder working in Covent GardenTrade Member since 2018We are the building company that specialized in Loft Conversions, Extensions and Refurbishments. By this moment we worked as a subcontractors, now we have all neccessary and feel free to participate to the tenders, prepare the informative and detailed contracts and read more
Latest Extensions feedback review:
3 x 3M extension
A very efficient builder who did the plans which where passed first time when we needed help he found someone to help very clean and tidy and on time
By karen98090 on 8th Jul, 2019
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