STAG BUILDERS OF HERTFORDSHIRE
Local Builders St Albans, Hertfordshire.
Trusted for Garage Conversions, House Renovation and House Extensions
Recommended Builders Based in St Albans Hertfordshire
Stag Builders of Hertfordshire is a trusted, family‑run construction company based in St Albans, specialising in garage conversions, house extensions, and full property renovations. As leading builders in St Albans and across Hertfordshire, we deliver high‑quality workmanship backed by a proven reputation for reliability and exceptional results.
With over 80% of our projects coming from customer recommendations, our hallmark is evident in every build. Homeowners choose us not only for our craftsmanship, but for our proven reliability and the high‑quality finishes that set us apart from other builders in Hertfordshire.
FMB (Federation of Master Builders), TrustMark
We are proud members of the Federation of Master Builders (FMB) and TrustMark — the Government Endorsed Quality Scheme for home improvement and property renovation. Choosing a TrustMark Registered Business means working with a company that has been fully vetted, meets strict industry standards, and is committed to delivering excellent customer service.
Our FMB‑approved building work in St Albans and across Hertfordshire includes kitchen extensions, house extensions, garage conversions, bathroom renovations, roofing, patios, and full property refurbishments. Every project we’ve submitted for inspection has passed with full approval from the Federation of Master Builders, demonstrating our commitment to quality, compliance, and professional building standards.
Garage Conversions.
This dormant double garage in St Albans has been transformed into a practical living space. As leading garage conversion specialists in Hertfordshire, we transform unused garages into modern, functional living or office spaces that add value and comfort to your home.
House Extensions
Single-storey rear house extension in St Albans. This architectural endeavour boasts a design that truly makes a striking impression. The extension significantly enhances the property's aesthetic appeal.
Take a look at the topics section on this page for more information on some of the building services we offer.
Topics
How much does a garage conversion cost in Hertfordshire.
Interior Painting St Albans
Plasterers St Albans
Hertfordshire builders home renovation.
Loft Conversion in St Albans Hertfordshire
If estimates are free, why do quotes cost ?
How much deposit should i pay a builder?
List of Building Services in Hertfordshire
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House Extensions
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Garage Conversions
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Loft Conversions
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Property Renovation
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Landscaping
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Kitchen Renovation and Extensions
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Plastering Services
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Bathroom Renovation
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Property Structural Works
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Roofing
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Demolition and Groundworks
Reputable builders in Hertfordshire
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Federation of Master Builders
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TrustMark Government Endorsed Quality
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National Federation of Builders
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First-class aftercare service
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All our work is guaranteed
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Fixed-priced Quotations
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Your local Hertfordshire builders
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St Albans
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Harpenden
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Hertford
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Welwyn Garden City
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Kings Langley
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Radllett
Kitchen Extensions / Renovation
We are not just any old kitchen installer, but one of the leading kitchen fitters in St Albans, Hertfordshire. We employ skilled kitchen installers to carry out all aspects of kitchen installations in the Hertfordshire region.
Bathroom Renovation
This bathroom in St Albans truly makes a striking impression! The large wall tiles showcase geometric patterns, bringing a lively element to a space that often craves a bit more character
Recomended builders with outstanding after care service.
Our customer services and customer satisfaction is well known throughout the county of Hertfordshire, thanks to the highly skilled tradesmen and the builders we employ. We firmly believe that being a family-run business is central to our success.
We offer a wide range of building services in St Albans, Hertfordshire, and are always happy to advise new customers. We hope that the photos and information on our website have given you an idea of what we have accomplished.
If you would like to obtain a quotation, please use the or call the nearest telephone number to your location.
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St Albans: 01727 432 002,
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Hertford: 01992 691 690,
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Welwyn Garden City: 01707 512 510,
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Kings Langley: 01923 532 656
By scheduling an appointment for us to visit your property, we can gain a clearer understanding of your requirements. This allows us to provide you with a fixed-price quotation, ensuring you can budget with confidence.