Extension Builders in Mitcham | MyBuilder

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Some of our top rated extension builders in Mitcham

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CM Building LTD
Rating: 5 out of 5
Extension Builder in Mitcham
At CM Loft Conversions, we specialise in luxury loft conversions, home extensions, and full refurbishments for both residential and commercial properties across London. Our dedicated team is renowned for transforming spaces with unparalleled craftsmanship and meticulous attention to detail. Whether it’s a high-end home, a modern office, or a commercial property, we deliver projects that elevate both form and function. By seamlessly blending design innovation with practical solutions, we ensure every project not only enhances the aesthetic appeal of a space but also maximises its value and usability. At CM Loft Conversions, we are passionate about creating bespoke spaces that reflect the unique needs of our clients. From concept to completion, we focus on the fine details and provide a smooth, stress-free experience. Whether you’re looking to transform your home, expand your business premises, or refurbish a commercial unit, our team is committed to delivering results that exceed expectations.
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Latest review:
I met Charlie and his team from CM Builders Ltd when they were completing a loft extension and ground floor extension for one of my neighbours. Quotation and budget I was given an estimate subject to drawings as I was on a strict budget that I had to keep to for the build. Charlie was able to help me keep to the budget, both at the final agreed plan and during the build. The project was complex in that whilst it was a loft extension, all of the house was rebuilt. The only thing kept was the external walls and first floor rafters. Whilst the footprint of the first floor was not being changed I wanted to bring it up to current building standards with extra insulation. All of the plumbing and electrics were also replaced including a new boiler. The overall build has come in on budget, save for agreed enhancements that I did not think of at the planning stage and or building regulations such as double ceiling fire plaster boards. There were also items such as the original stairs that I wanted to keep, but Charlie was able to increase the height space in the kitchen making the worktop much more usable for tall people for a larger part of the kitchen. These were suggested to me as potential options as part of the build. Stage payments The stage payments have all been sensible throughout the build and linked to the ongoing work schedule. I have not therefore had any concerns in this regard. Quality of work This was a very complicated build as unlike the ground floor the first and new second floor are “L” shaped. The new 2nd floor included an en-suite and 2 bedrooms. Overall the house has been increased from 2 bedrooms 1 bathroom, to four doubles and 2 bathrooms. The quality of work is excellent and Charlie project manages his team to ensure that they all deliver to a high standard- if it is not done correctlt they do it again, with Charlie spotting any issues. Timeline of build This has generally gone to plan very well. As with any build you have to be realistic as things will happen outside of anyone’s control. When issues have arisen Charlie manages them to a conclusion. Also be realistic if you are having to manage to a tight budget. I had to plan for various stage receipts of cash before I could order the kitchen and bathroom items - make sure you understand how this impacts the build and availability of the work force, recognising that CM Builders have to book kitchen fitters and plumbers. CM Builders are also very helpful in that they have sorted out issues with the brick work of my freestanding garage (nothing to do with the build) and also a neighbour’s wall that could have been dangerous to the public, should it have failed. Conclusion The whole family are very pleased with the outcome and we now have the equivalent of a brand new house that has been built to a very high standard. This has definitely been worth doing both from a valuation perspective and quality of life perspective. I would not hesitate to instruct Charlie and his team again.
Himanshu
Rating: 5 out of 5
Extension Builder in Mitcham
Whether you're looking to modernize your home's exterior, improve insulation performance, or create a stunning brick-effect finish, we provide tailored solutions that combine aesthetics, durability, and long-term value. Contact us today to discuss your project and arrange a free consultation.
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Latest review:
Insulation- 16 Sep 2026
I hired Himanshu to do my external insulation work and I was more than pleased with the work he did. He paid attention to details, he was patient with the job. Himanshu and his team were always on time and fast as well. They did an exceptional job on my property. I am definitely hiring him again for any building and insulation works. I highly recommend working with him.
LTF Construction Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
Hi there my name is Liam Flanagan. I started my career as a bricklayer's apprentice shadowing and working over a period of 10 years doing general building work, including house extension refurbishments and new builds.
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Latest review:
Very efficient service, thank you.
CHIRO Alliance Limited
Rating: 5 out of 5
Extension Builder in Mitcham
Chiro Construction covers all types of building work including major renovations, lofts, extensions, commercial conversions and bespoke carpentry. We manage all aspects of the build from inception to completion, from demolition to decorating. With a proven track record of delivering a wide range of high-end projects, we have a 98% approval rating from over 50 positive reviews. Most of our work comes from previous client referrals. Call or email us today for a chat to discuss your project.
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Latest review:
Restoration & Refurbishment- 4 Sep 2020
Octavian is a really great guy, very reliable, never disappoint, maintained good communication with us all the time. As a customer, obviously the most important part is great craftmanship, we have used other teams before and you can easily tell the difference between his work and the others. From things such as painting (you can tell they have paint and sand multiple times to provide such great finishing), tile installation (the gap between each tile is tiny, and they are very flat), Octavian’s team can get them all done. This job involves a full flat refurbishment, so the flat was completely stripped, knocked down a few walls, install new pipes / wire etc. During his work he has spotted many things that we have not noticed before. Unlike some other contractors who do not care, they will just finish what they were asked to do and leave. Octavian spotted it and recommend us the best solution for it, to provide the best outcome for the project. It is important to find someone who do care about the customer and the project. We will use him again for our future projects. Thanks. Tommy
Plastering and K rendering
Rating: 5 out of 5
Extension Builder in Mitcham
🏗️ General Builder • Roofing • Extensions • Refurbishment – London Looking for a reliable and professional builder in London? We provide high–quality construction and renovation services at competitive prices. ✅ Plastering & Insolation Silicone Rendering ✅ Our Services Include: • General Building & Refurbishment – Full house renovations, kitchen & bathroom fitting, plastering, flooring, painting & decorating. • Extensions – Single & double-storey extensions, side returns, rear extensions, loft conversions, and garage conversions. • Roofing Services – New roof installations, flat & pitched roofs, roof repairs, waterproofing, guttering & fascias. • Structural Work – Brickwork, concrete, foundations, and load-bearing alterations. 💪 Why Choose Us? • Experienced team with over 16 years in the trade • All work guaranteed & fully insured • Competitive, transparent pricing • Clean & reliable service – we treat your home with respect • Free, no-obligation quotes 📍 We cover all London postcodes – Central London,North, South, East & West.
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Latest review:
Plastering- 16 Mar 2020
Almed and his team came over to see the two bungalows and gave me a quote and was more reasonable than other quotes I had previously. Almed started the job and stated exactly what he was going to do from the beginning to the end of the job. He is a very professional and knowledgeable person and he and his team did a outstanding plastering job on my two bungalows and I’m very happy with the job and will highly recommend him for future projects. Thanks Zai
Frank
No reviews yet
Extension Builder in Mitcham
Very precise, clean work and reasonable charge
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A. plastering
Rating: 5 out of 5
Extension Builder in Mitcham
Hi. My name is Fatos. I have been in construction for over 17 years. We undertake rendering, plastering and painting jobs. High standard finish in very competitive prices. We also do loft conversion,roofing, plumbing, electric, tiling, extension ect. Our prioritie is to get the job done in very high quality
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Latest review:
Plastering- 22 Oct 2024
We needed to plaster our house ASAP and Fatos completed it in a short time. The house looks amazing, he was quick, efficient and was a great communicator. I would highly recommend him.
nishan builders ltd
No reviews yet
Extension Builder in Mitcham
More than just builders, we're partners in creating your dream home. As a family-run construction company in the UK, we specialise in extensions, refurbishments, and new builds, offering design and construction services tailored to your specific needs. We pride ourselves on clear communication, attention to detail, and a personal approach that makes the building process enjoyable.
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Reynolds Building and Maintenance Services
Rating: 5 out of 5
Extension Builder in Mitcham
Reynolds Building and Maintenance Services provides professional building, refurbishment, extension and handyman services for residential and commercial clients. We specialise in house extensions, property refurbishments, renovations, structural alterations and general building work, as well as all types of handyman and property maintenance services. From full property renovations and home extensions to small repairs and everyday maintenance, we deliver reliable, high-quality workmanship on every project. Whether you need building work, refurbishment services, or a trusted local handyman, we provide a complete solution under one service.
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Latest review:
Carpentry- 4 May 2026
Quick, easy and tidy. Very professional
Simple Building Solutions
Rating: 5 out of 5
Extension Builder in Mitcham
Simple Work Solutions is your trusted local building and property maintenance specialist. We provide reliable, high-quality building services, including renovations, garden rooms, kitchens, bathrooms, decorating, flooring, carpentry, landscaping and general property maintenance. We take pride in delivering exceptional workmanship, clear communication and a professional service from start to finish. Explore our recent projects and see the difference for yourself.
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Latest review:
Garden Maintenance- 19 Jul 2026
Professional service from this business and Anthony. They came at the time they promised, done a great job with the removal and kept me up to date with the progress. Really honest business with whom I plan to do more work in future. Keep it up!
SEASOUTH BUILDS LIMITED
Rating: 5 out of 5
Extension Builder in Mitcham
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.
MGR Construction
Rating: 5 out of 5
Extension Builder in Mitcham
Hi i have 12 years experience on this sector jobs that we undertake are full house renovation ,loft conversion Extension and Landscape.
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Latest review:
Fencing- 7 Oct 2018
Straight forward, easy to deal with, tidy, even removed an old shed for us. Would definitely use again.
POLISH DECORATING SERVICES LTD
Rating: 4.9 out of 5
Extension Builder in Mitcham
We are not the cheapest but we are Master Builders experienced in all aspects of building works including bespoke services. Dedicated team of craftsmen always deliver jobs to the highest standards. We provide full certification for any gas or electrical works. City&Guilds- N.V.Q., P.A.S.M.A. and I.P.A.F. Over 15 years of experience in the UK.
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Latest review:
Extensions- 11 May 2018
After a rogue builder left me with 18 (eighteen) structural issues. Lez and his crew came in transformed my failed extension into a masterpiece. All aspects of the job was done to the highest quality and utmost care and attention to detail was shown to building control needs. They cleaned up after every day and made sure the house was habitable, as I had to live there. Every aspect of the build, from the carpentry, plastering and tiling was first class and their recommend electrician and plumbers were from the same stock. Total professionals. My only regret is that I did not use this builder the first time. The prices were reasonable and even building control had good word to say about their work. Thanks Lez
RnRbuilders
No reviews yet
Extension Builder in Mitcham
I have been in this business for years now. Within those years gained valuable skills that has enabled my business to grow graciously within the building trade. No job is too small or too big from changing a lightbulb to building an extension all our within our capabilities. We always put the customers first.
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B&D Construction London Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
Hi Our company undertake jobs ,Loft Conversion, Extensions, Carpentry, Gardens, Plumbing/Electrical , Plastering and Decorating,
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Latest review:
We’ve had multiple jobs done by Silviya. The first was a small extension and downstairs and partial upstairs refurbishment with new kitchen and 2 bathrooms fitted. This large job was completed within 16 weeks and looks exactly as we hoped. Given the extent of works we moved out for the build. The second was the construction of an outbuilding and garden redesign (patio and astro fitted). Again the results are great. We lived in during this project and I worked from home without disturbance. The latest has been the re-fit of new windows, front door and fixing the front render. Again, the results are very professional and minimal disturbance while the work took place. Will definitely use him and his team again, should we need any more building work and recommend them to others
Walter weir Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
Walter Weir Ltd - established as a design and build contractor for the highest specification projects in residential and commercial developments in London & The South East. Our team of skilled tradesman, project managers & architects cover all scope of works within construction, who are experienced professionals, making the dream a reality for every client. We believe in cementing lasting relationships with clients & this can only be achieved by maintaining a constantly high standard of work.
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Latest review:
Groundwork & Foundations- 19 Feb 2020
Donald Weir was really professional and helpful. They got the work done and handled our queries with patience. We will be soliciting their services again very soon!