Explore 17 building businesses in St Albans offering extensions, renovations and general construction work. Read customer reviews, check which projects each builder handles and contact suitable firms to ask about quotations and availability.
CJ Smiths is a St Albans-based construction company specialising in house extensions, loft conversions, garage conversions, and full home renovations. With a focus on quality craftsmanship and customer satisfaction, they offer fully managed building solutions tailored to individual client needs. Their team, led by founder Craig Smith, prioritises transparency, reliability, and local expertise to deliver stress-free construction projects across Hertfordshire.
House Extensions
Loft Conversions
Garage Conversions
5-star reputation
Project transparency
Daily site tidiness
Newbuss Construction specialises in high-quality new builds, extensions, and renovations across Hertfordshire and London. With over 30 years of industry experience and a decade of dedicated leadership from founder Steve Buss, we deliver tailored construction solutions that prioritise client needs, budget adherence, and minimal disruption. Our proven track record includes multi-million-pound projects and complex conversions, supported by 5 million public liability insurance and strong partnerships with trusted professionals.
New Builds
Extensions
Conversions
Excellent building work
Mindful of budget
Approachable professionals
Alban Building Contractors provides professional construction services in St Albans, Hertfordshire. Specialising in home extensions, loft conversions, and property renovations, we combine over four decades of experience with a commitment to quality and client satisfaction. Our family-run team delivers tailored building solutions for residential and commercial clients.
Home Extensions
Loft Conversions
Garage Conversions
Capital Construction London delivers professional construction services across the UK, specialising in design and build, refurbishment, and shop fitting projects for commercial, retail, and industrial clients. We combine systematic project management with cost-effective solutions to meet client requirements precisely. Our team serves global brands through a responsible approach that prioritises social, ethical, and environmental accountability.
O'shea Developments is a London-based construction and property development company with 60 years' experience delivering large-scale projects. We specialise in complex developments from 10m to 300m, combining construction expertise with strategic joint venture partnerships. Our services span design, build, and project management for mixed-use, residential, and commercial schemes.
Property Development
Construction Management
Joint Venture Partnerships
Eagle Design & Build is a St Albans-based residential design and construction company offering architectural design, build services, and interior solutions. Established in 2013, we specialise in extensions, loft conversions, and new builds, combining expertise with a client-focused approach to deliver high-quality, on-budget projects across Hertfordshire.
C & S Dumpleton is a Harpenden-based residential construction company offering renovations, conversions, and maintenance. With over three decades of local expertise, we combine traditional craftsmanship with modern techniques to deliver durable, high-quality results. Our focus on safety, environmental consciousness, and client collaboration ensures projects are completed on time, within budget, and to the highest standards.
Mayfield Building Contractor is a St Albans-based construction firm with over 25 years' experience delivering bespoke building solutions. We specialise in residential and commercial projects including house extensions, loft conversions, and full property renovations. Serving Hertfordshire and surrounding areas, our fully qualified team combines technical expertise with a client-focused approach to transform properties while maintaining strict budget and quality controls.
House Extensions
Loft Conversions
Kitchen Refurbishments
Exceptionally professional
Expert advice
Reliable subcontractors
Beswick Building & Renovations is a Hertfordshire-based construction company specialising in home extensions, renovations, and conversions. With over 70 years of combined experience, we deliver tailored solutions for residential and commercial properties. Our client-focused approach ensures transparency, reliability, and exceptional craftsmanship throughout every project.
Extensions
Refurbishment
Conversions
Professional service
Reliable team
High-quality craftsmanship
KJH Bathrooms is a family-run home improvement specialist with over 20 years of experience, delivering premium bathroom and kitchen installations, renovations, and nationwide services. Our client-focused approach ensures bespoke solutions tailored to individual spaces and budgets, supported by a skilled team committed to quality craftsmanship. Headquartered in St Albans, we serve customers across the UK with free no-obligation quotations and manufacturer-backed warranties.
Noble Roofing & Exteriors is a trusted provider of residential and commercial roofing services, storm damage restoration, and seamless gutter solutions. The company combines decades of family-led expertise with high-quality materials to deliver durable, budget-friendly results. Committed to customer satisfaction, it offers personalised service, transparent pricing, and support through insurance claims processes.
Point Builders is a family-run construction firm with 40+ years' experience specialising in heritage restoration and modern building projects across London, the Home Counties, and Dorset. We combine traditional craftsmanship with contemporary techniques to preserve historic properties while delivering functional upgrades. Our services include lime mortar plastering, stone masonry, and bespoke carpentry for both listed buildings and modern developments.
Lime Mortar Plastering
Stone Masonry
Domestic Extensions
Very happy with results
Delighted with finished result
Best we've worked with
Paul Noble Roofing L offers expert residential and commercial roofing services in Welwyn Garden City, specialising in GRP fibre glass roofs, slate roofing, and guttering repairs. With over 40 years of industry experience, we deliver durable solutions backed by a 20-year guarantee on flat roof installations. Our commitment to quality craftsmanship and customer satisfaction ensures long-term protection for properties across Hertfordshire and beyond.
D G Shelley Master Thatcher provides expert thatching services across Hertfordshire, Essex, Bedfordshire, and Buckinghamshire. With a family tradition spanning six generations, the business specialises in repairing, re-ridging, and installing thatched roofs using materials such as water reed and wheat straw. Committed to preserving traditional craftsmanship, the team combines inherited expertise with formal qualifications to deliver durable, high-quality results.
Thatched Roof Repairs
Ridge Re-thatching
Water Reed Thatching
P & A Doherty is a St Albans-based construction contractor with over 40 years of experience providing building, roofing, and renovation services to domestic and commercial clients. We offer free quotes, hold industry accreditations, and provide a 20-year guarantee on fibreglass flat roofing solutions. Our services include extensions, conversions, roof repairs, and chimney repointing, delivered with a focus on quality, reliability, and customer satisfaction.
Building Contractors
Roof Repairs
Fibreglass Flat Roofing
Excellent workmanship
Professional team
Reliable service
Affordable Property Services provides reliable home maintenance and garden care solutions in St Albans. Established in 2005, we offer handyman services including plumbing, fencing, and decoration alongside gardening tasks like lawn care and landscaping. Our local team ensures prompt, professional service with free written quotes available.
Handyman Services
Gardening
Plumbing Repairs
Prompt communication
Reliable service
Professional workmanship
BJ Building Services provides comprehensive construction solutions across St Albans and the South East. We specialise in building works, maintenance, and disability adaptations for private, public, and corporate clients. With ISO 9001 certification and over a decade of local expertise, we deliver quality projects from small home improvements to large-scale commercial developments.
Building Works
Groundworks
Maintenance
Installation of the shower went smoothly
Kitchen looks really nice
Work done efficiently