Some of our top rated extension builders
Sort by:
- Get in touch
With more than 20 years in the construction trade, we specialise in high-end residential projects. Whether it’s loft conversions, small extensions, large-scale double-storey extensions, or basement digs in prime London locations, we deliver exceptional craftsmanship and meticulous attention to detail. Operating across the M25 area, we provide homeowners with reliable construction services, managing projects of all sizes and complexities from initial design through to final completion, with efficiency and expertise. As a proud member of the Federation of Master Builders, TrustMark and an approved installer of Wykamol waterproofing systems, we are committed to maintaining the highest standards of work and customer service. We work closely with clients to provide bespoke solutions tailored to their needs, ensuring that the end result enhances both the home’s functionality and its value. We specialise in: Loft conversions Extensions (including double-storey builds) Basement excavations Design & build services High-end finishes We prioritise quality, integrity, and customer satisfaction. Our transparent communication, punctuality, and commitment to budget-friendly, on-time delivery make us the ideal choice for your construction project.
- Get in touch
At Gray Oak Renovations, our design experts and builders collaborate to create spaces that reflect your unique style and needs, ensuring your home looks and feels just right for you. Our skilled team brings years of experience, using quality materials and prioritising customer satisfaction to deliver end-to-end renovation services that exceed your expectations and transform your living space.
- Get in touch
We have a committed team working on a range of different projects throughout London, working in all sectors including; residential, commercial and conservation. The services that we provide are, architectural and structural 2d & 3d designs, calculation, planning permission, building control, new build, refurbishment, self contained flats, loft conversion, rear and side extension plus much more. I have over 30 years of experience in construction and have worked on a variety of different projects, from small developments to managing large scale Projects.
- Get in touch
Welcome to WD Joinery & Building – Where Quality Meets Craftsmanship! With over 20 years of hands-on experience, WD Joinery & Building has been the trusted name for exceptional building services across Central Scotland. Specialising in high-quality extensions, we pride ourselves on transforming homes with precision, care, and unparalleled craftsmanship. Our commitment to quality isn't just a promise; it's the cornerstone of everything we do. Whether you're envisioning a spacious new extension or a bespoke transformation, our dedicated team goes the extra mile to deliver results that are both stunning and structurally sound. Choose WD Joinery & Building for your next project and experience the difference that true expertise and a passion for excellence can make. Your dream space is just a call away!
- Get in touch
At Elvis Build, every wall, extension, and project is built with pride and precision 🧱 No shortcuts – just solid, clean brickwork done the right way 💪 From garden walls and extensions to repairs and repointing, I make sure every job is straight, level, and built to last. If you’re after reliable work with proper attention to detail, give me a shout – happy to chat and give a free quote 🔨 Elvisbuilds .uk @ Gmail .com 📩 DM for enquiries or quotes #Brickwork #ElvisBuild #LondonBuilder #Bricklayer #QualityWork
- Get in touch
I’m an experienced construction professional with over 8 years in the industry, proudly serving Greater Manchester. I hold a Level 3 NVQ in Electrical Installation and have full public liability insurance for your peace of mind. Whether you need design, extensions, renovations, new builds, or general maintenance, I’m committed to delivering top-quality work with honesty and care. I look forward to helping bring your building projects to life!
- Get in touch
I am open minded and a hardworking person with extensive experience in the building industry. I am CSCS certified and have worked on professional building sites including Balfour Beatty and Barratt Homes. I also have my own small business completing home improvement jobs to the highest standards and leaving customers very happy and satisfied with the work I have completed.
- Get in touch
Reliable and hardworking builder with experience in extension work, bricklaying, carpentry, general construction and property improvements. I take pride in delivering high-quality workmanship, keeping sites clean and completing jobs safely and on time. Friendly, trustworthy and committed to customer satisfaction. Available for extensions, renovations, repairs, brickwork, carpentry and general building work.
- Get in touch
At Crescent Joinery & Build, we take pride in delivering high-quality joinery and building work with a professional, reliable, and friendly approach. We specialise in bespoke joinery, fitted furniture, kitchens, media walls, flooring, doors, stud walls, and all aspects of interior carpentry and general building work. We understand how important your home is, which is why we focus on clear communication, attention to detail, and leaving every job finished to a high standard. Whether it’s a small improvement or a full renovation project, we treat every job with the same care and professionalism. Customer satisfaction is our priority, and we believe in honest pricing, reliable timekeeping, and quality workmanship built to last. We work across Leeds and surrounding areas, helping customers bring their ideas to life with practical, well-crafted solutions. If you’re looking for a trustworthy joiner who genuinely cares about the finish and quality of the work, Crescent Joinery & Build is here to help.
- Get in touch
Hello Harry Taylor here I’m a self employed joiner who’s been working in the industry for 8 years.Im a fully Nvq qualified carpenter/joiner.always completing work to a high standard with good attention to detail.We cover all aspects of joinery and building work offering a full service for any building or joinery work needed from complete extensions to kitchens and much more
- Get in touch
Experience premium bespoke carpentry and first-class kitchen fitting, tailored to your home. From precise installation to refined finishing touches, we specialise in technically demanding designs that elevate every detail of your space. We understand that a kitchen is only as good as its finest details. Our bespoke carpentry services bring precision to every corner, specializing in custom cabinet fitting and handcrafted timber installations that blend aesthetic elegance with robust daily functionality. Every piece is measured, cut, and finished to elevate the heart of your home.
- Get in touch
Dubes plastering property renovations is dedicated to all aspects of the plastering industry, including dry lining, traditional sand and cement rendering, silicone coloured render systems k renders, which are maintance free and coloured so there’s no need to paint. We have over 15 years experience and also cover a full range of property renovations. We will work along side our customers to deliver a final product that you will truly be proud of.
- Get in touch
Solid Building Aspect Ltd is a specialist construction company delivering high-quality residential and commercial projects across London and Hertfordshire. With over 20 years of industry experience, we focus on extensions, structural alterations, renovations, and modern steel frame (SFS) systems — offering a more precise, efficient, and reliable way to build. We also design and build bespoke garden rooms and install premium aluminium and composite decking systems, creating functional, modern outdoor spaces tailored to each client’s needs. Our approach combines strong project management, attention to detail, and clear communication from start to finish. Whether transforming a home, adding flexible living space, or delivering complex structural works, we focus on results that add real value and stand the test of time.
- Get in touch
Preet Building & Renovation Ltd. (Dagenham) is a dynamic and innovative construction company , established to redefine the landscape of the construction industry. With a forward-thinking approach, we specialize in delivering high-quality construction projects that meet the evolving needs of our clients and the environment. Our mission is to build not just structures but sustainable and valuable spaces that enhance communities and lives.
- Get in touch
Hi I have been building for 44 years ,I stared with an old firm for years. I/we know all aspects of builder work like walls, stone and flint, we do from footings to roof . We are a family business