Some of our top rated extension builders in Welwyn Garden City
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We offer complete property improvement and maintenance services, covering everything from outside to inside your home or business. Our services include driveways, block paving, patios, fencing, landscaping, drainage, roofing, painting and decorating, flooring, tiling, plastering, kitchen and bathroom fitting, general repairs, and full property maintenance. No job is too big or small — from minor repairs to full renovations, we take pride in delivering reliable workmanship, attention to detail, and high-quality results at competitive prices.
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We specialize in comprehensive general construction services, embracing all aspects of the construction domain. Our hallmark lies in an unwavering pursuit of perfection and meticulous attention to detail. Committed to translating customer visions into reality, we stand out through exceptional results and a relentless focus on satisfaction. Your construction needs are in reliable hands, with an unparalleled dedication to excellence.
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S R Deane Building Services Expert craftsmanship. Honest service. Beautiful results. At S R Deane Building Services, we believe your home deserves our full attention, which is why we take on one project at a time. As a small, family run business, we bring skill, care and clear communication to every stage of your build. From extensions, kitchen transformations, and bathroom makeovers to landscaping, we deliver quality workmanship with a personal touch. Our goal is simple: to make your vision a reality, with results that last and a process that is stress free. With S R Deane, you are never just another job. Your project is our only priority.
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W.T Brickwork Ltd – Expert Brickwork Services Welcome to W.T Brickwork Ltd, your trusted specialists in high-quality brickwork. With 7 years of experience, we provide expert services, including bricklaying, repointing, garden walls, extensions, restorations, and more for both residential and commercial projects. We take pride in our craftsmanship, ensuring every project is built to last with precision and attention to detail. Whether you’re planning a small repair or a large-scale construction, our skilled team delivers reliable, top-tier results—on time and within budget. Get in touch today for a free consultation, and let’s bring your vision to life!
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We are Bond Construction London Ltd, a construction and maintenance company operating in London and Hertfordshire. We have been trading since January 2015, but have extensive experience in double and single extensions, loft conversions and Houses of Multiple Occupation (HMO's) property conversions. As well as this, we complete renovations and alterations both on residential and commercial properties. All our work is guaranteed and we are fully insured for all aspects of construction.
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Hi, I’m an experienced bricklayer with over 10 years in the trade. I specialise in all types of brick and block work — from garden walls and extensions to large-scale construction projects. For the last 4–5 years, I’ve also been working as a foreman/supervisor, managing teams and ensuring top quality on every job. My team and I work fast, professionally and always deliver high-quality results with great attention to detail. I take real pride in my work, and many of my customers are happy to recommend me. You can also see our projects on Instagram: @m.p.fastbricklayers
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We specialise is custom built garden buildings from offices, play-rooms, outdoor kitchens or hide away at the bottom of your garden. We’re a small team dedicated to making thoughts and ideas becoming reality. Please find our instagram page at bespoke exteriors.
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KK Pro Construction are a North London based company carrying out construction services, property maintenance and installation work across London We specialise in loft conversions, extensions and basement excavations.
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Hi, my name is Martin. I have more than 15 years of experience with kitchen fitting, carpentry and joinery also owning a construction company for 9 years specialised in Loft Conversions and Extensions. Would be pleasure to complete your project to the highest standards.
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SDG Construction Ltd Loft Conversions 🏠 Kitchens & Bathrooms 🛠 Extensions ➕ New Builds 🔑 Renovations 🧱 Landscaping 🪴 Rendering 🎨
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Our success is a your happiness. We strive on achieving high standard finishing to achieve high level of customer satisfaction. With us you can’t go wrong. From kitchen and bathroom renovation, to landscaping and gardening work we do it all. So lets get in on and make it happen.
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I have been working in building for 16 years I was a carpenter working in the luxury west end property developer. I have run my own team since 2010. I have taken projects worth £500k in the past. I have a great team and good customer service skills.
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we are proud to announce to you D&T building company we cover all building work from wall repairs to full extensions, driveways, built BBQ’s, out houses, converting rooms into gyms and fencing, with over 20 years experience and a high standard of work, because of the pandemic and things slowing down it is time for us to branch out to new areas and new people, our portfolio is very large with 100% customer satisfaction and a very friendly team that can carry out all your needs
