Some of our top rated extension builders in Treharris
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We are a multi‑trade property services company providing reliable, professional workmanship with a focus on clear communication and consistent delivery. Our core services include: Carpentry and joinery Fire door installation, upgrades, and compliance work Extensions General property maintenance and repairs Small building works and refurbishments Roofing repairs and replacements Planned and reactive works for managed properties We are fully VAT‑registered and hold Constructionline Gold accreditation, demonstrating our commitment to quality, safety, and verified compliance across all areas of our work. We also hold BM TRADA Fire Door Installation Certification, ensuring all fire door works meet strict third‑party standards for compliance, installation quality, and safety. We pride ourselves on being dependable, easy to work with, and responsive when urgent works arise. Our quotations are transparent, and we maintain a tidy, organised approach on every job.
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Hi I am Buider I have been doing this job for 42 years now and I do every job to the best I can do plus I am here to help in anyway to sort out any problems you have
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S&M contractors are a family run company has been going for 2 years now... we are nice polite company who likes working with all types of people we also consider ourselves quick and afficant. Many thanks Simon & Matthew
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Mg building and landscaping Extensions/conservatory/orangeries/patios porcelain/roofing/and general building work 20 years experience
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Dennis Building is small independent company based in Cardiff. I'm very flexible with availability & happy to help any customer. I cover all aspects of Internal building & carpentry. We cover all extensions , conversions and refurbs. We we specialise in Home /Room Renovations to a good quality standard.
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Experienced carpenter with over 22 years of experience. I've done all sorts of carpentry from making and installing hardwood kitchens to building castle doors. All on site carpentry including partition walls,insulation, hanging doors,installing windows, laying floors etc...etc...I've also had my own bespoke campervan building company for over 4 years. I worked 6 years in a model makers which specialises in film sets etc so I'm used to very unusual and challenging projects. I'm a well spoken professional with good people skills that prides myself on the finish. Customer satisfaction is a must to keep a good reputation 👌
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We are a reliable and experienced building and property improvement company providing a complete range of services for residential and commercial clients. Our expertise includes plumbing and heating, bathroom and kitchen installations, home extensions, renovations, landscaping, and all aspects of general building work. From small repairs and upgrades to full property transformations, we take pride in delivering high-quality workmanship, attention to detail, and excellent customer service. We work closely with our clients from start to finish, ensuring every project is completed to the highest standards, on time, and within budget. Whether you’re looking to modernise your home, create additional living space, improve your outdoor areas, or undertake a complete renovation, we provide dependable solutions tailored to your needs
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We are a building company we undertake new builds ,extension refurbishment including electric, plumbing,underfloor heating we will projected manage from drawings building regulations planing to final completion
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19 years experience in Groundworks, 9 years experience running housing and civil jobs. Will travel approximately 15 miles. Have all relevant tickets from plant to site saftey. I build with the end user in mind. My philosophy is to listen carefully to client needs, provide clear updates, and deliver results I’d be proud to put my name on.
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Hi, I’m Keith, owner of Keith Sealey & Sons Electrical Services. I’m a NAPIT Approved electrician and City & Guilds qualified, with over 40 years’ hands-on experience in domestic electrical work across South Wales. I specialise in high-quality, compliant electrical installations and upgrades, including: • EICR testing & landlord certification • Consumer unit replacements • Fault finding & repairs • Full & partial rewires • Kitchen & bathroom electrics • Lighting upgrades & safety improvements All work is carried out to current regulations and Part P compliant, with safety and attention to detail as standard. I understand that choosing a tradesperson is about trust. That’s why I focus on: ✔ Clear communication ✔ Turning up on time ✔ Respecting your home ✔ Leaving everything clean and tidy ✔ Doing the job properly the first time Much of my work comes from repeat customers, landlords and estate agents who value reliability and experience. If you’re looking for a professional, established electrician who takes pride in his work, I’d be happy to discuss your project. Keith Keith Sealey & Sons Electrical Services
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I am a builder with 34 years in the trade time served bricklayer when I was 16 and have always done everything in the building trade have my two sons working for me as well as builders we done stonework caswell
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Hi, I'm Mark, an experienced builder specialising in extensions, structural work, brickwork, foundations, and home improvements. I take pride in delivering quality workmanship and a reliable service from start to finish. My focus is on honest communication, attention to detail, and ensuring every project is completed to a high standard. Whether you're planning an extension, renovation, or structural alteration, I aim to provide a professional service and results that exceed expectations.
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Reliable and Experienced Bricklayer & Property Maintenance Specialist Hi, I’m Nathan, a skilled bricklayer with years of experience in all aspects of brickwork and property maintenance. I take pride in delivering high-quality workmanship, attention to detail, and reliable service. Whether it’s a new build, repair, or renovation, I’m committed to making sure every job is done right and on time. Customer satisfaction and clear communication are my priorities. Ready to help with your next project!
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Have worked in the construction industry for 25 years, the Last 20 years roofing and building with Gibbs Bros flat roofing specialists. Took over the family run business 10 years ago and still keeping it in the Family . Based in Pontypool , Torfaen . We offer a range of flat roofing options along with general building services.
