Extension Builders in Streatham | MyBuilder

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Some of our top rated extension builders in Streatham

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Aitchison Development Construction Limited
Sponsored
Rating: 4.8 out of 5
Extension Builder in Streatham
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.
ASAR PLUMBING AND BUILDING
Rating: 5 out of 5
Extension Builder in Streatham
I am a qualified plumbing heating engineer and General builder, i have learned my trade working for a plumbing / building company for 15 years. i have also been Nescot College for four years where i gained my qualification. I am hard working person, honest, trustworthy and take pride of my job. Customer satisfaction is my top priority.
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Latest review:
Extensions- 17 Mar 2024
Agim and his team were great - communicated what they would do at each stage, the timing, materials needed etc., no major surprises. The building is quite old and wonky in places so they had to work with that and the finished result looks great. Very happy and have would recommend Agim again!
MI BUILDING SERVICES
Rating: 5 out of 5
Extension Builder in Streatham
I started as a kitchen fitter and after a few years, I became a site manager. Now I am fitting kitchens also bathrooms for my self I also build extensions and we do house conversions to new builds as well. So if you want a reliable and professional builder who is also certified please choose us. Free quotations . Thanks ever so much. Best Regards Stefan
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Latest review:
Kitchen Fitting- 24 Feb 2026
Great experience from start to finish. The worktop was fitted perfectly and the job was completed ahead of schedule. Very pleased with the result and happily recommend.
Robert Krysta
Rating: 5 out of 5
Extension Builder in Streatham
I started trading in 2004 as bathroom and kitchen fitter. Since then I've done many projects, those large and really small. All jobs were finished with great attention to details, satisfaction and great appreciation of all my clients.
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Latest review:
Bathroom Fitting- 1 Nov 2024
Absolute expert at his craft and pleasure to work with. Thank you 👍
shalom property development ltd
Rating: 5 out of 5
Extension Builder in Streatham
Shalom Property Development ltd is a small construction company based in the Croydon area. We specialize in property refurbishment, house extensions, loft conversions, garage conversions, etc. We also undertake projects like plastering, painting/decorating, electricity, plumbing, tiling, flooring(laminate, wood, bamboo), bricklaying.
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Latest review:
Plastering- 6 May 2025
Amazing guys. Hardworking, tidy, professional. They worked in our house for 3 months and we were super happy with the work and everything. We invited them to do more work later on. 100% probably the most sincere and trustworthy builders we met. Only them. No one else from now on.
Jx refurbishment
Rating: 5 out of 5
Extension Builder in Streatham
My name is James Jiang,I got more than 15 years experiences in the trade and my team has built good reputation in London area. Our aim is to deliver complete customer satisfaction with every project we undertake and ensuring our customer’s visions are met.
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Latest review:
James has done a number of projects for us over the past couple of years as we renovate our home. His prices are always competitive and we are always happy with the work he does!
A&I Building Services
Rating: 5 out of 5
Extension Builder in Streatham
With over 20 years of experience in the commercial and residential sectors in the UK, A&I BUILDING SERVICES addresses needs within the construction industry, undertaking a wide range of jobs. Types of work we normally undertake range from foundation to final decorations. With primary focus on the client, we aim to uphold the highest standards with regards to quality and Health & Safety.
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Latest review:
Extensions- 1 Feb 2019
Really impressed with Nick and George, very punctual and polite and good quality and care taken with their work. Would highly recommend to anyone and would use again.
SSUK Energy
Rating: 5 out of 5
Extension Builder in Streatham
My name is Ali, and I am a skilled and experienced construction professional with over 16 years of hands-on experience in the building and finishing industry. I specialise in a wide range of construction work including bricklaying, concrete work, waterproofing, painting, tiling, flooring installation, as well as basic plumbing and electrical tasks which all performed to meet high technical standards and safety regulations. I am committed to delivering high-quality results, meeting deadlines and working efficiently both independently and as part of a team. I am confident in reading and interpreting technical drawings and using modern tools and equipment with precision. I believe professionalism lies in attention to detail and I always strive to exceed client expectations through reliable, top-quality workmanship.
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Latest review:
Tiling- 8 Aug 2025
Ali was very professional with all latest tools to do the perfect job. Seems a family business but all were nice Happy with how he did it perfectly👍.
Rcm Buildrs
Rating: 5 out of 5
Extension Builder in Streatham
RCM Builders is an insured construction company which offers a multitude of services. Loft conversions, extensions, painting, plastering, fencing, building renovations, and bricklaying are a few specialities we covers. We have over 28 years worth of experience and are well versed in providing high quality work, great customer service, great costumer satisfaction and great communication.
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Latest review:
Conversions - General- 7 Mar 2023
Have completed the job extremely well. Did a new door opening. Door fittings and plaster work . Very good finish. On time. Polite. Very pleased. Would hire again.
E.V Roofing
Rating: 5 out of 5
Extension Builder in Streatham
I am running my own business now. I am a carpenter first and second fix. I have a lot of experience 7 years (2 years in Norway+5 years in UK). I am dedicated to providing top quality house renovations, loft conversion , roofing (tiling,fibreglass),house extension ,flooring, doors, windows, kitchen , wooden floors .
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Latest review:
In the round I had a very good experience when working with Ermal on our 6 month project, Reliability, quality and speed all exceeded expectations. I would recommend Ermal and his team, especially for any carpentry.
Victor & Co.
Rating: 5 out of 5
Extension Builder in Streatham
Victor & Co has operated throughout London successfully for over twenty years. We are determined to maximaze our customer’s satisfaction by fulfilling their wishes to their specification, rather than forcing a compromise. Our team is build up of successfully from disparate areas of the trade and together we have all the skills necessary to successfully carry out any work asked for us. We do have flexible approach to many issues ready to find solutions to most difficult matters.
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Latest review:
Extensions- 9 Nov 2021
I had a great experience hiring Victor & Co. They built a Rear Garden Extension in my house with excellent standards and finishing. Also they have done everything on time, which I know is quite difficult. I met Victor, the director of the project, every week to discuss the progress and any alterations to the original plans. He was great at explaining all the options and delivering the work. All the builders were very polite and you could see that they were very well organised with all the tools and building materials they brought to the house. When there were minor delays they were happy to come on weekends to catch up with the programmed finishing time. For the level of noise you could expect a building site can generate they were incredibly quiet. Last and not least, the quote I have from them was one of the most competitive ones I found in the market, so I can definitely recommend this company to anybody that is planning a big project.
Guildkey Builder
Rating: 4.9 out of 5
Extension Builder in Streatham
Welcome To GUILDKEY BUILDER's, We are a small company and specialise in: Loft conversions, Side and rear Extensions also double extensions and full refurbishments We also carry out small jobs such as kitchens fittings and bathroom fittings, developing properties into flats, We provide quality service to our customers. We want you to live in a better and secured Home
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Latest review:
Extensions- 31 Jul 2025
Absolutely incredible from start to finish! Professional, knowledgeable and easy to work with. Managed to think on his feet and fix unexpected problems, gave advice and was always polite and friendly! My house is completely transformed & I’ll definitely be using Kaiser again for the next house Reno!
Samz Construction Services ltd
Rating: 5 out of 5
Extension Builder in Streatham
We are a small construction firm aiming to provide high quality work. We do new built 'conversion, loft and extension, Refurbishment and all kind of building works. We can manage the building job from start to finish and help the clients with planning, party wall and structural drawings.
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Latest review:
Extensions- 4 Dec 2023
Happy with the quality of work and team was very friendly, everyday leaving the house livable for me and my wife while work was ongoing. Sohail offered good advice throughout the project and ended with shell completed after 8 weeks. Definitely reccomend getting a digger for excavation as we started building walls after 6 days, very fast! There were some minor delays as there are multiple projects going on in parallel, fitting in with timelines which is understandable as the team is very experienced and in high demand. Snag fixes were done promptly and all work signed off with building control. I would happily work with Sohail & team again, they have left the job with another satisfied customer - I think they turned out to be the best people to do the job, highly reccomend!
Complete Construction london
Rating: 5 out of 5
Extension Builder in Streatham
At Complete Construction we have a complete team to undertake all building and renovation works.We have been trading over 12 years,and forever growing.Priding ourselves on reputation and reviews and can offer plenty of references from recent clients.Having been known to have the team you want on your project,we are now being prided on our unbelievable Painting and decorating team
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Latest review:
Restoration & Refurbishment- 16 Jun 2023
Amazing job by Ross and his team! They're easy to deal with and the job was completed on time and to budget :) Will definitely use again! Thank you so much!
JDS Maintenance
Rating: 5 out of 5
Extension Builder in Streatham
Hi there, I am a Handyman, I got recomendations for my customers. Thanks a lot.
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Latest review:
Kitchen Fitting- 4 Apr 2025
Super professional, job completed properly. He is extremely knowledgable Would reccomend
JM Building Service
Rating: 4.7 out of 5
Extension Builder in Streatham
Hi my name is Joe from JM Building Service and I would like the opportunity to come and have a look at any works you require my services for. I look forward to meeting you. Thank you.
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Latest review:
Bathroom Fitting- 14 Mar 2025
My previous bathroom fitters did a very bad job with the bathroom and cloakroom toilet and left it unfinished. I am so glad I went with JM Building service as Joe and Martin completely transformed both rooms. They rectified the previous fitters errors and completed the rooms. Joe didn’t just rush through the job to get it done quickly—he took his time, ensuring every detail was finished to a high standard. He worked meticulously, making adjustments until everything looked exactly as it should, rather than settling for ‘good enough.’ His dedication to quality and precision was evident throughout, and the end result speaks for itself. As well as being very good at what they do, they are friendly, reliable, trustworthy and hardworking. I have already booked them in for another job and requested a quote for another. I highly recommend JM Building services for their professionalism and craftsmanship.
J R PITT AND SON LTD
Rating: 4.9 out of 5
Extension Builder in Streatham
J R Pitt & Son is a leading construction company based in SW16 dedicated to delivering high-quality construction services to our valued clients. With a solid reputation for excellence and a track record of successful projects, we are confident in our ability to meet and exceed your construction needs. At J R Pitt & Son, we specialize in a wide range of construction services, including: General Contracting, Design-Build, Renovations, and Remodelling.
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Latest review:
Conversions - General- 29 Apr 2026
We were very impressed with Jimmy and his colleagues. It was a slightly unusual job as we wanted part of an external door bricked up and new window installed, so did not fit neatly into any category. However Jimmy and his colleagues were able to deal with all parts of the job without outsourcing and offered some useful advice along the way. They left the house neat and tidy and completed the job very swiftly. We would definitely recommend.