Some of our top rated extension builders in Harrow, Greater London
Sort by:
- Get in touch
With over 25 years of experience in the construction and home renovation industry, we have successfully completed a wide range of projects, from full-scale home remodels to smaller custom renovations. Based in London, we serve clients locally and are also available to travel to within M25 and surrounding areas, ensuring our services are accessible to a broader community. Our expertise spans across skills such as carpentry, decorations and detailed interior design. We take pride in our commitment to quality craftsmanship, attention to detail, and excellent customer service, making sure every project is completed on time and within budget. When you hire us, you’re choosing a team that values integrity, hard work, and customer satisfaction above all, delivering results that enhance your living space and add lasting value to your home. We are more than happy to work with you and serve for your needs. Please do not hesitate to get in touch with us for any kind of questions and find out more about our +50 completed projects in London. Cheers!
- Get in touch
Joy Design & Build – Where every project is a promise of exceptional quality, unwavering integrity, and cutting-edge innovation. We specialize in transforming your vision into vibrant, functional spaces that truly reflect your needs and style. Whether you're dreaming of a bespoke home that captures your unique personality, a commercial space designed to inspire productivity and creativity, or a thoughtful renovation that breathes new life into your property, we are here to turn those dreams into reality. At Joy Design & Build, we take pride in our meticulous attention to detail, our commitment to sustainable practices, and our collaborative approach with every client. From initial concept to final construction, we ensure that each project not only meets but exceeds your expectations. Your vision deserves more than just a construction project—it deserves an experience that’s seamless, stress-free, and tailored to your goals. Let’s build something extraordinary together.
- Get in touch
Hi,my name is Vasile. I have 15 years experience in general building,painting,decorating and plastering. Please feel free to contact me. Serious and reliable.
- Get in touch
3D building home is a family run building and construction business operating in London and the surrounding areas. The company initially focused on high quality decorative works we have evolved a great deal since then. We aspire to provide a quality stress free service, working together with you, architects and structural specialists to bring together your envisioned dream home.
- Get in touch
We are a new company who have experienced builders for over 10 years specialising in residential building work. We have successfully completed projects which include whole house renovation to smaller work such as single storey extensions and garages. We have a highly dedicated team who pride themselves in creating the customers needs within the most competitive rates in the market.
- Get in touch
Cheema Property Maintenance LTD is a reliable property maintenance company specialising in home renovations, repairs, and ongoing maintenance for residential properties. We work closely with homeowners and landlords to keep homes safe, functional, and looking their best. From full and partial renovations to general home repairs and routine maintenance, our experienced team delivers high-quality workmanship with attention to detail on every job. We take pride in offering a dependable, friendly service with honest advice and practical solutions tailored to each property. We also provide free, no-obligation quotes, helping our customers plan their projects with confidence and no pressure. At Cheema Property Maintenance LTD, our focus is on quality work, fair pricing, and building long-term relationships through trust and reliable results.
- Get in touch
We are a London-based construction and renovation company with strong experience in both interior design and on-site construction delivery. We specialise in home refurbishments, extensions, loft conversions, and full internal fit-out works. What sets us apart is that we don’t just build — we design and plan interiors as part of the process, helping clients make the best use of their space in terms of layout, finishes, lighting, and functionality before work starts. We work across London and surrounding areas and manage projects from initial design coordination through to construction and final handover. Our skills include structural alterations, partitions, flooring, plastering, joinery, kitchens, bathrooms, lighting layouts, and full interior finishes. Clients choose us for our attention to detail, clear communication, and organised approach. Having both design and construction experience allows us to avoid mistakes, control costs, and deliver clean, high-quality results that match the agreed vision.
- Get in touch
My name is Jonjo. I have been in the building industry 30 years and we take great pride in everything we do. Our saying is - if it's worth doing it's worth doing well. We do everything to do with the building industry, everybody we use is fully qualified and certificated - gas, electrics, plumbing.
- Get in touch
We are a reliable and professional supplier of high-quality fence posts, committed to providing strong, durable, and well-finished products to meet our customers’ needs. We take great care in ensuring that every fence post we supply is made to a good standard, with proper attention to quality, strength, appearance, and overall finish. Our products are supplied in a neat, clean, and well-presented condition, ensuring they are ready for use and suitable for a wide range of fencing requirements. We understand that good-quality fence posts are essential for creating a secure, stable, and long-lasting fence, which is why we focus on maintaining consistent quality in every product we provide. We take pride in our professional service, careful preparation, and commitment to customer satisfaction, making sure everything is handled properly from the selection and preparation of the posts through to delivery. Customers can rely on us for dependable products, competitive service, and fence posts that are strong, neat, clean, and suitable for both domestic and commercial fencing projects. Our aim is to build long-term relationships with our customers by providing good-quality materials, honest service, and products that meet their expectation
- Get in touch
Hi my name is Caush , I am 35 years old . I live in London since 2011 and I have been working in construction for almost 15 years. I can do roofing, extension, carpentry, first fix carpenters. I live in North London.
- Get in touch
We're a teammate of three people in two different fields; electrican and fire security and handyman/painter and decorations We have been working for 5 years with different builders and contractors and private clients We Provide the following service General Building New Building Loft Conversions Roofing Extensions Painting and decorating All electrical works Fire alarm system Entry phones system Access control Cctv
- Get in touch
We are a local, family run business based in Slough, specialising in everything from small refurbishments and extensions, to rebuilding an entire house from scratch. We possess a wide variety of skills and a highly skilled team which can carry out any job you ask. Just tell us what you need and we’ll do it.
- Get in touch
MGA Projects Ltd is a trusted London-based construction company delivering high-quality building services from start to finish. We specialise in extensions, full refurbishments, loft conversions, and structural works including steel installations. With years of hands-on experience, we pride ourselves on reliability, attention to detail, and clear communication throughout every project. Whether it’s a small renovation or a full-scale build, we work closely with our clients to bring their vision to life—on time and within budget.
- Get in touch
I’ve been a bricklayer for 39 years now and have worked all over the world, I worked for English heritage for over 5 years and have worked on a lot of high profile jobs including the Sidney olympics in 97/98 . I run a small team of outstanding bricklayer’s, having been in the trade for so many years we can cover most wet trades and ground work.
