Are you looking for an experienced and approved builder.

Allbuild are a well-established, family-run building company, operating in Hertfordshire and the surrounding areas.

Our builders have decades of experience within the building industry and a recognised  reputation for quality workmanship.

Read through some of our fantastic customer reviews to see how highly they rate us!

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Years in Business

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Years of experience

Our Work

We specialise in home extensions, loft conversions and property maintenance.


Looking for a quote for the next project?

Contact AllBuild today for a hassle-free quote

Contact Us

Customer Reviews

Tony and Paula, Stevenage Garage Conversion

We had Allbuild convert our garage and what a fantastic transformation. Great communication from the top every day updates and top quality finish.

Claire, Hertford Single Story Extension

I couldn’t thank these guys more! Allbuild carried out my extension for me while many builders had let me down in the past these guys were on time and more importantly on budget!

Paul and Elaine, Stevenage Loft Conversion + Kitchen + Bathroom

The Teaam at AllBuild have been fantastic for us. After years of looking for a quality reliable builder we found one! We have used AllBuild for multiple projects over the years and will continue to do so