Some of our top rated garage conversion specialists in Knebworth
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Sinevir Construction Ltd is a trusted construction company based near London, proudly serving the capital and surrounding areas. We specialise in residential and commercial projects, including new builds, extensions, refurbishments, and structural works. Our team of qualified professionals is committed to: High standards of workmanship Full regulatory compliance Clear and honest communication throughout every stage of the project Whether it's a small private renovation or a complex public contract, we approach each project with care, precision, and professionalism. What sets us apart: ✅ Construction Online Gold Member ✅ Skilled and experienced workforce ✅ NEBOSH-certified site safety supervision ✅ CHAS and SSIP-accredited for health & safety standards ✅ Fully insured, giving clients peace of mind ✅ Transparent pricing and realistic scheduling ✅ Respect for architectural heritage and local communities ✅ Competitive rates without compromising on quality We believe every property deserves thoughtful construction and reliable service — and at Sinevir Construction Ltd, we proudly deliver both.
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At RTR Plumbing & Heating Ltd, we take great pride in the reputation we have built and the journey that has brought us here. Through years of experience, we have had the privilege of working with skilled tradespeople and valued customers, overcoming challenges and delivering exceptional service every step of the way. Our Services We offer a comprehensive range of heating and plumbing services, carried out to the highest industry standards: Heating Services ✔ Boiler Breakdowns & Repairs ✔ Heating System Diagnostics & Repairs ✔ Radiator Performance Issues & Upgrades ✔ Boiler Replacements & Full Heating System Upgrades ✔ Power Flushing ✔ Boiler Servicing & Maintenance ✔ Landlord Gas Safety Certificates ✔ Underfloor Heating Design & Installation Plumbing Services ✔ Hot & Cold Water Supply Issues ✔ Tap, Shower, and Bathroom Fixture Replacements ✔ Water Softeners Installation ✔ Full Bathroom Refurbishments (Including Tiling) ✔ Basin & Kitchen Sink Replacements ✔ Legionella Risk Assessments ✔ Cylinder Repairs & Unvented Cylinder Installations ✔ Water Tank Replacements Why Choose Us? ✅ Quality Workmanship – We adhere to the highest standards, ensuring all work is completed professionally and efficiently. ✅ Attention to Detail – From strengthening joists in bathroom refurbishments to ensuring boilers are installed to full manufacturer specifications, we never cut corners. ✅ Fully Certified – All boiler installations are Gas Safe registered and come with the maximum manufacturer-offered warranty. ✅ Customer Satisfaction – We work closely with our clients to deliver solutions tailored to their needs, ensuring 100% satisfaction on every project. At RTR Plumbing & Heating Ltd, we are committed to providing reliable, high-quality plumbing and heating services. Whether you need urgent repairs, a new boiler installation, or a complete bathroom refurbishment, our experienced team is here to help. 📞 Get in touch today – we look forward to working with you! Booking Policy 📌 Deposit Requirement: To secure your booking, a 25% deposit is required for all works. This ensures your scheduled slot is reserved and helps us prevent last-minute cancellations, allowing us to deliver a reliable and efficient service to all our customers. Head to below to discuss rtr plumbing dot co dot uk RTR Plumbing & Heating Ltd
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I’ve been in the building industry for 12 years. Originally building/ renovating different projects in wales Untill I moved to London 7 years ago. Up until recently I was a project manager for a large brickwork company building projects across central London. I have recently bought a house and moved to letchworth so now relocating my work. with a close team of guys we ensure all work is done to an extremely high standard. Would be happy to give a quote. reliable!
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I have over 40 years of experience in the industry. I am a fully qualified bricklayer and also a fully qualified carpenter. I have had the pleasure of constructing many extensions new builds and home renovations for my clients, ensuring the whole project runs smoothly and safely
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General work from scratch to finish. New Build, extensions, loft conversion, painting, plastering, basement, bathrooms & kitchens. 18 years experience in the trade.
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All building work, extensions, loft conversions, electrics, plumbing, plastering, bricklaying, patios, drives, bathroom & kitchen fitting, fencing.
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We do a vast amount of work from extensions and loft conversions to fences and garden walls. We’re a family run business that will work with our clients to ensure they get what is aesthetically pleasing and long lasting.
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I have been in the plastering trade for over 20years and cover all aspects of the business, specialising in all Domestic works Re skims, Dry lining, Damp proofing, Sound proofing, All work can be covered by a 10 year insurance backed guarantee on request. All work is personally guaranteed regardless.
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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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Jodamac provide the following duties; - New build, - Renovations, - Extensions, - Loft conversions, - Roofing carpentry, - Structural demolitions, - Groundwork’s - Driveways, We have over 35 years of experience in all aspects of construction and offer a friendly, cost effective and efficient service at all times. Please get in contact for your free quotation today.
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We specialise in bespoke carpentry , home extensions,renovations,commercial projects and property maintenance
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My name is Albert, and I am a UK-based Structural Engineer with extensive experience supporting residential and small commercial construction projects across Hertfordshire, London, and surrounding regions. I work closely with homeowners, builders, and architects to deliver clear, practical, and compliant structural designs—from initial advice through to detailed calculations and drawings suitable for planning applications and Building Control approval. My services typically include: Structural design calculations Steel beam and column design Load-bearing wall removal assessments Extension and loft conversion designs Foundations and structural alterations Technical support during construction I pride myself on providing straightforward engineering advice, fast turnaround times, and solutions that are safe, cost-effective, and buildable. I understand the pressures of site work and aim to work collaboratively with builders to avoid delays and unnecessary costs.
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We cover all types of work, ranging from patios and ground work to loft conversions and extensions. Our team are always polite and offer their professional options when required.
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General Building including extensions and loft conversions. I can also undertake any structural alterations, steel work, windows, skylights and doors. In addition I can undertake all roofing work (flat and pitched), either replacements or repairs and external landscaping work (drives, decking and patios).
