Some of our top rated extension builders in Westminster
Sort by:
- Get in touch
I as the manager have been personally working for a family run business for ten years+ as a multi skilled trader covering all aspects of the building industry which includes: Carpentry Bricklaying Bathroom refits Kitchen refits Extensions Plastering Plumbing Electrics My business is very reliable as all work is carried out to a high standard and is thoroughly checked.
- Get in touch
About Velvet Construction: 5+ year experience in the building trade. CSCS Black Card Holder All health and safety certificates. Velvet Construction has a large team of qualified tradesmen, delivering a high standard of workmanship at a competitive price. For more information on our services please contact us. We offer free quotations and all work is insured and guaranteed.
- Get in touch
What makes Vision House Construction the best option? At VHC qualified, experienced professionals are committed to delivering high-quality work in all aspects of home improvement with a satisfaction guarantee and affordable prices. We believe that strong buildings make strong communities. Our purpose is to help people enhance their space to live in safe, more efficient, and environmentally friendly houses.
- Get in touch
With over 20 years in the trade, we deliver high-quality refurbishments and finishes for both residential and commercial clients across London, mainly South Kensington, Chelsea, Mayfair, Surrey. I started on the tools as a labour with all trades, after decide work as a fully-qualified painter & decorator, spray painter and joiner, so I know exactly what good workmanship looks and feels like. After progressing into supervisor, site manager and project manager roles on projects ranging from high-end homes to large commercial fit-outs, I now run my own professional team. What we offer: Full internal & external painting and decorating, Airless spraying (fast, flawless finishes), All aspects of plastering, dry-lining and repairs, Bespoke joinery, skirting, architraves, doors and flooring, Complete refurbishments and renovations, Commercial office and retail fit-outs. One-stop solution Because we’ve built long-standing partnerships with trusted, fully-certified plumbing, electrical and home-automation specialists (including Lutron, Crestron systems), we can manage and deliver every aspect of your project under one roof – no juggling multiple contractors, no delays, one point of contact from start to finish. We pride ourselves on clear communication, keeping to programme, protecting your home or business, and leaving every job spotless. All work is fully insured, £10M liability insurance, completed to the highest standard and backed by genuine customer reviews. Whether it’s a single room refresh or a whole-property transformation, get in touch for a free, no-obligation quote – we’d love to help bring your project to life!
- Get in touch
Adamus & Contractors Limited We’re a friendly, hands-on building company with 10+ years’ experience, specialising in refurbishments, loft conversions and extensions. Whether you’re opening up a space, extending your home, or bringing an older property back to life, we handle everything from start to finish. We’ve got an in-house architect and interior designer, so we can take care of the planning, design and build all under one roof — making the whole process a lot easier for you. From steels and structural work right through to the final finishes, we use a solid team of trusted trades and take pride in doing things properly. We’re used to working in people’s homes, so we keep things tidy, organised and running smoothly. We keep it simple: clear quotes, honest advice, and no surprises. If anything changes along the way, we’ll talk it through with you first. You bring the vision. We bring the standards. At the end of the day, we just focus on doing a proper job and leaving you with a space you’re genuinely happy with.
- Get in touch
Zardi Construction LTD is a knowledgeable and experienced construction company . We are focusing on property renovation loft conversion, extension bathroom, kitchen and refurbishment service. Our workers are skilled . we have ours own carpentry joinery and cabinetmaking workshop to achieve best quality for our customers . We are committed to giving our customers the best quality and results every time. Best regards zardi
- Get in touch
London home developers take care and pride in our professionalism. We ensure minimal fuss for our customers and provide them with an end project of their exact want. London home developers are able to complete clients jobs such as Loft and extension, brick work, steel work, partitions, plastering, plumbing, luxury bathroom and much mor.
- Get in touch
Sebek construction family run business for the last 20 years. High quality refurbishment specialits. Kitchens, bathrooms, loft conversion and extension. all work comes complete with public liability insurance.
- Get in touch
Hi, I’m Jon, the Founder of W8 Build. With over three decades of experience in both modern and listed buildings, I’ve dedicated my career to transforming spaces – from bespoke home extensions and loft conversions to the careful restoration of historic landmarks. I even had the honour of working on Windsor Castle alongside Her Majesty The Queen after the 1992 fire, a project that taught me how to balance grandeur with precision. At W8 Build, we believe exceptional craftsmanship should be accessible. Grounded in values of integrity, reliability, and meticulous attention to detail, my team and I bring the high standards of historic restoration to every project – all at market-competitive rates. Whether you’re seeking a stylish roof terrace, a complex basement conversion, or a heritage-sensitive renovation, you’ll receive a fixed-price, transparent proposal and a commitment to excellence that makes quality affordable. There are no hidden fees or inflated costs here – just clear communication, thoughtful planning, and the peace of mind that comes from working with a team that treats every project, whether a royal landmark or your family home, with equal care and professionalism. Let’s work together to bring your vision to life, blending timeless quality with modern practicality. Your dream space deserves nothing less. W8 Build by Jon Taylor
- Get in touch
Cubitt Wren is a London refurbishment and restoration firm. We deliver full refurbishments, renovations, extensions, kitchens and bathrooms, and loft conversions - with particular care for the character of period and listed homes. Every project is led personally by a Project Director and delivered by our in-house trades: carpentry, joinery, plastering, stonework, tiling and decoration. One team, one point of contact, from first survey to handover. Before work begins, you'll have a detailed written scope and clear pricing, so you know exactly what's included and where you stand. A clear programme keeps you informed throughout, and our aftercare commitment continues beyond handover. We build homes and spaces we're proud to put our name to.
- Get in touch
At LLC PROJECTS LTD, we deliver high-quality building and renovation services across London, Surrey, and Hampshire. With over 16 years of experience in the construction industry, our team specialises in all aspects of building works, maintenance, and plumbing — from full refurbishments and extensions to kitchen and bathroom installations. We pride ourselves on excellent workmanship, attention to detail, and reliable project management from start to finish. Most of our work is carried out in-house to ensure consistent quality and high standards. Whether it’s a small repair or a large-scale project, we approach every job with professionalism, transparency, and care. Contact us today to discuss your next project and see how we can bring your vision to life
- Get in touch
Welcome to Susu Construction: Your Premier London Construction Partner Are you searching for a London construction company that stands out for its excellence, commitment, and innovation? Look no further than Susu Construction, your go-to choice for top-notch construction solutions in the bustling capital of London.
- Get in touch
Towergate Design Studio is a London-based leading practice working in the residential and commercial sector. We have a reliable and excellent painting team with reputation for high-quality work, attention to detail, professionalism, including punctuality, clean communication and using quality materials. We are the A turnkey company provides a service from design to the final, fully functional and innovative building projects . We handle all aspects of a project, including design, engineering, procurement, construction, and installation.
- Get in touch
H&J Properties is your friendly, reliable small team with over 10 years of experience in the building industry. We design, plan, build, and project manage, so you can rely on us for a full round of service. From floor and wall tiling to full kitchen and bathroom installations, we’ve got your home covered. We handle plastering, painting, drylining, insulation, and more with precision and pride. Need a loft, rear or basement extension, a new roof, or concrete work? No problem. Whether it’s bricklaying, basement waterproofing, or installing windows and doors, we bring craftsmanship and care to every job. Big or small, we build it right. Please message us directly for more project images.
- Get in touch
Hi my name is Stephen and I have 30 years building experience specialising in extensions and loft conversions I do 1 job at a time and I am on site every day. I have extensive knowledge of structural engineering I also carry building insurance .and i am a member of the National federation of builders.
- Get in touch
Mark and his team of 8 have over 100 years of trade experience between them. Each member of the team has honed their craft in a specific trade from bricklaying to plastering, extensions to renovations. Working so close to each other and as a team, they create extensions and renovations to a high standard and always work on one job at a time to ensure a finish of high standards.
