Some of our top rated extension builders in Welwyn
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At Rosewood Contracting, we specialise in high end residential and listed buildings. Our team is dedicated to ensuring the successful completion of every project we undertake, with a focus on quality craftsmanship, attention to detail, and timely delivery.
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Herts plastering and building contractors offer top quality finishes at very competitive prices clean & tidy very reliable. Helping clients bring there creative ideas to reality.
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Woodfellas are a fully qualified North London based carpentry company with over 10 years of experience in the trade. We have accumulated experience from carrying out a wide variety of projects covering all aspects of carpentry.
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B H Construction can assist you with all aspects of the building trade including extensions, refurbishments, structural alterations and all other trades. We pride ourselves on our high standards of work and have many years experience in the trade. We work closely with a kitchen company if you require a kitchen refurbishment and we also fit bathrooms from fairly basic installations, to very high spec. Fully insured
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An established and proven family business who have recently partnered with Tf builders to become Thomas Richards. Still working to the highest standards. Specialising in new build developments Extensions and conversions
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My name is Sean Aston I have been a bricklayer for 6 years now. I have all kinds of experience, from working on a large construction site to smaller jobs such as extensions ,porch's and garden walls. Any and all tradesmen I use will be full qualified I also have all relevant insurance .
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We have 25 years of property renovation .During the last 15 years GSrenovation has specialised in fitting and renovating bathrooms, kitchens and extensions . We believe that our success stems from our exacting professionalism and true enjoyment of our work. We take as long as is needed to help customers from design through to completion. For peace of mind GSrenovation also provides 5 years guarantee with each installation. Sensible prices. Free quotation and advice.
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At T&M Construction Ltd, we specialise in high-quality residential renovations, refurbishments, and bespoke carpentry across Bedfordshire, Hertfordshire and surrounding areas. Founded and led by a skilled carpenter with over 10 years of hands-on experience, our company is built on precision, structure, and attention to detail. Unlike general contractors who outsource blindly, we understand construction from the inside out, starting with the framework and finishing to the finest detail. We offer a complete multi-trade service, including: • Full house refurbishments • Kitchen and bathroom installations • Structural carpentry • Flooring & bespoke woodwork • Plastering & decorating • Electrical & plumbing coordination Our approach is simple: ✔ Clear communication ✔ Clean and organised sites ✔ Honest pricing ✔ High-end finish We take pride in delivering projects that are not only visually impressive but built to last. Most of our work comes from repeat clients and recommendations, a reflection of our reliability and standards. If you’re looking for a professional team that values quality over shortcuts, T&M Construction Ltd is ready to help.
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With 10 years of experience in bricklaying, I provide top-quality craftsmanship for both residential and commercial projects. From building sturdy foundations to creating stunning brick facades, my work combines precision and durability. I take pride in delivering results that meet your exact specifications and exceed your expectations. Whether you need new construction, repairs, or custom brickwork, I'm dedicated to providing reliable and efficient service. Let's bring your vision to life with expert bricklaying skills!
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I take on work covering all aspects of bricklaying, repointing, patio laying and any general maintenance work.
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Welcome to Mng Roofing Ltd – Your Local Roofing & Building Experts With over 20 years of experience, we’ve built a reputation across London and surrounding areas for reliable, high-quality construction and roofing services. Every job is handled by our trusted in-house professionals — we’re here to protect and enhance your home with care and precision. We specialise in: 👉 New Roof Installations – flat and pitched roofs in slate, tile, felt, bitumen, and modern PVC membranes. 👉 Roof Repairs & Maintenance – from small leaks to major refurbishments. 👉 Fascias, Soffits & Guttering – installation, replacement, and professional cleaning. 👉 Garage & Extension Roofs – tailored solutions for outbuildings and home extensions. 👉 Leadwork & General Roofing Services – high-quality lead flashing, detailing, and associated building work. 👉 Extensions – full design-and-build services to increase your living space and add value to your property. 👉 Loft Conversions – transforming unused lofts into bright, functional rooms while ensuring Building Regulations compliance. 👉 Outhouses – bespoke garden buildings designed and built to suit your needs, from offices to relaxation spaces. Whether you're dealing with a leak, planning a renovation, or considering a full extension or conversion, we tailor our work to suit your property and budget. We’re proud to offer honest advice, expert craftsmanship, and guaranteed results. When you choose us for your project, you’re not only getting skilled workmanship — you’re also fully protected by comprehensive insurance cover: ✅ Employers’ Liability (£10 million): Protects our team while they work on your property. If any of our staff are injured, you’re never at risk of being held responsible. ✅ Public Liability (£5 million): Covers accidental damage or injury to third parties. For example, if a falling tile damages a neighbour’s car, you’re completely protected. ✅ Products Liability (£5 million): Ensures you’re covered if any of the materials we supply and install turn out to be faulty or cause damage. In simple terms, our insurance gives you total peace of mind: whatever happens, you’re financially protected, and your property is in safe hands. 🤝 If you're looking for a builder and roofer who values safety, quality, and customer satisfaction—let’s talk. 📞 Feel free to message me now to arrange a free site visit and no-obligation quote.
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I have been working in building industry for the past 12 years doing loft conversions, extensions and new builds. After so many years of experience i can proudly call myself a high level professional. All my clients were satisfied with my work and can gladly recommend my services. On demand i can take you around to some of my projects. An approximate calculation of the cost to complete the project will be done free of charge to the prospective client.
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Arch Construction and Project Management Ltd is specialist of structural engineering, structural alterations,restoration, extensions, loft conversions and in middle&large sized projects on highest standard. We offer full building site and/or project management from concept to completion based on 22 years experience in construction industry with hassle and frustration free experience.
