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Extension Builders

It can be difficult to find good local Extension Builders. All Extension Builders on TrustATrader are vetted and reviewed to help you find the best trader for the job.

Trusted Extension Builders

Here is a selection of reliable Extension Builders located across the United Kingdom. If you're looking for local Extension Builders near to you, please enter your location into the form field above to refine your search.

  • Extension Specialists in Brackley. Covering all Northamptonshire, Buckinghamshire and Oxfordshire areas.

    Welcome to Caliber Construction Ltd.At Caliber, we like to do things a little differently. We believe our set of core principles not only help us...

    9 reviews / 4.94 out of 5

    If you are looking for a fast, reliable, professional and trustworthy builder, look no further! Our project was a kitchen extension (single level...

    Brackley
    Northamptonshire
    NN13 6AD

  • Extension Specialists in London. Covering Greater London

    In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

    67 reviews / 4.99 out of 5

    Adam and his team did an excellent job refurbishinb the floors of a bathroom and kitchen that had ceramic tiles fitted on the wrong subfloor...

    London
    EC2A 4NJ

  • Extension Specialists in London. Covering Finchley and all surrounding areas

    In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

    17 reviews / 4.99 out of 5

    Sebastian and the team promised on the first day to give me a beautiful bathroom. They kept that promise! We are delighted with the work. Would...

    London
    N3 1JG

  • Extension Specialists in Harrow. Covering Harrow and incorporating a 15 mile radius

    NO MARKETING CALLS PLEASE.BLS Builders, is a family-run business for over 25 years, and we are based in Harrow area.We offer Trust, Quality and...

    11 reviews / 5.0 out of 5

    We were really pleased with Edmund and his team’s work on our bathroom. He was friendly and professional. One thing that stood out was his...

    Harrow
    HA5 1EU

  • Extension Specialists in Leyton. Covering Waltham Forest, Haringey, Enfield, Redbridge, Romford, Hackney, Southwark, Woolwich and all surrounding areas.

    Brygola Constructions was founded in 2004 under its previous trade name, Brygola Brickwork. The company changed its name in order to better...

    119 reviews / 4.73 out of 5

    Fantastic company. Everything we hoped for with the build. Brygola worked hard and delivered on time to a very high quality. The workmanship is to...

    Leyton
    London
    E10 6LT

Trusted Extension Builders in the following locations

Our average rating for Extension Builders

4.89 - 4.89 out of 5 from 3288 reviews

  • Linx Construction Group Limited, London

    5 out of 5.0

    "Gurpreet Pal and his team did a fantastic job converting our loft. Gurpreet is a truly wonderful guy who had excellent..."

    Jack Yost on 18th December 2025

  • Allround Building Services Limited, Slough

    5 out of 5.0

    "Asad and team did a good job. We would definitely employ them again."

    Chris Hughes Nind on 18th December 2025

  • Ste Walmsley Building Services Ltd, Darwen

    5 out of 5.0

    "Very pleased with job done despite the men having to work in very bad weather conditions."

    Janet Bennett on 17th December 2025

  • Linx Construction Group Limited, London

    5 out of 5.0

    "Our kitchen and bathroom were expertly fitted by Linx Construction Group Limited. The staff was professional, the job was..."

    Keith Cossette on 16th December 2025

  • General Builders, Ashford

    5 out of 5.0

    "Dennis came to see what was required and we agreed a plan to repair a crack in a bedroom ceiling by securing the..."

    Ray Jennings on 16th December 2025

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