Some of our top rated loft conversion companies in Welwyn
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We have over 14 years of experience in the field of carpentry, joinery, roofing and loft conversions. We are based in Hertfordshire and are likely to have seen our name about. With having the experience and qualifications we take huge pride in our work making sure all jobs are carrried out to a high and reliable standard. We offer a free no obligation quote and advice to all potential customers.
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AJK BUILDING is a trusted name in the construction industry, delivering high-quality building solutions with a commitment to excellence, integrity, and innovation. With over 16 years of experience, we specialize in providing comprehensive construction services that include residential, commercial, and industrial projects. Our team consists of highly skilled professionals who work collaboratively to bring each project to life with precision and care. From initial planning and design to final execution, we ensure every phase is handled with professionalism, transparency, and strict adherence to timelines and budgets. At AJK BUILDING, safety, sustainability, and client satisfaction are at the core of everything we do. Whether it’s a small renovation or a large-scale development, we are dedicated to building spaces that last and relationships that grow.
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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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10 years carpenter/builder Extension, loft extension and new builds Carpentry Kitchens, All roofs, doors, skirting,arch’s, stud walls, flooring, staircases Building work Footing, slabs, patios, fencing
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Roofing specialist Flat roofs Roof maintenance Structural work Steel box frames General building Gardening and landscaping Brick repainting Plastering
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Garden Fencing, Garden Decking, Artificial Grass, Wooden Floor Laminating, Decorating, Partitions.
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loft conversions, extensions, general building work, double glazing, carpentry work, 1st fix 2nd fix pitching roofs 35 years as a carpenter very competitive rates no job too small
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With over 25 years of experience in construction Open Plan Solutions is regarded as one of the most successful companies based in St. Albans and the surrounding counties working on both private and commercial property development. Open Plan Solutions provides a successful track record within a safe environment for the community it works in. Our speciality in providing construction needs makes us the first choice amongst customers looking for quality services. We strive to deliver all construction on time and to budget – and we consistently do, which is why our client base has continued to grow and we consider ourselves to be the number one building and construction experts covering St. Albans, Hertfordshire and surrounding areas.
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We are a dynamic and profesional construction company, with a vast experience over the last decade and more, offering high quality build at a very competitive price always in mind with the latest legislation in safety and durability.
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Coste + Beno is an experienced construction business with a strong residential background. We pride ourselves on balancing architectural ingenuity with fine craftsmanship, to offer specialist services to discerning clients in the premium residential sphere. Our bespoke approach has seen us creating bijoux bathrooms in Shoreditch to managing full-scale renovations on listed residences in Primrose Hill. We are looking forward working with you. Best, Coste + Beno
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We are father and son with over 45 years experience in all aspects of 1st and 2nd fix Carpentry. No job too big or small. We pride ourselves on doing a good job and having a good relationship with our customers. We have worked on projects ranging from loft conversions, grade listed buildings, total renovations to hanging doors and fitting skirting. We also undertake plastering work, dry lining, flooring, tiling and so on. We do it all.
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About Oliver Building Services Ltd, have been fitting kitchen and bathrooms for many years. We pride ourselves on being the go-to bathroom fitters for discerning . We specialise in all bathroom fitting and design services including: Please feel free to get in contact and we will be more than happy to come round to quote •Extension •Kitchen •Bathroom •Installation •Showers •Plumbing •Tiling •Plastering •Electrical •Painting & Decorating • Loft conversion •Roofing
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For a local, professional building firm who can work with you and surpass all your expectations shortlist Kite Construction. We will be more than happy to arrange a free site visit to discuss your requirements.
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We specialise in all aspects of building, extensions, loft conversions . New builds and all internal carpentry. We pride ourselves on all our work being neat and strong and finished to the highest standard.
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I established my business to meet the needs of homeowners looking for skilled and qualified tradesmen that put trust at the top of their requirements. From small jobs to large extensions and landscaping we can help to make your property dreams come true. Money back guarantees offered.
