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  4. Extension Builders in Hertfordshire

Extension Builders in Hertfordshire

Browse trusted local Extension Builders in Hertfordshire on TrustATrader, all vetted, with photos of completed work, and reviews from previous customers.

Local Extension Builders

We have found a selection of the best, most reliable Extension Builders in your area. You can click on a trader profile to find out more information, send email/SMS enquiry, or add them to your call back list.

  • Don't forget! Please mention TrustATrader when you contact any of our trusted traders.

    TrustATrader Guarantee easily covers your next job via TrustATrader to provide extra peace of mind. Click this icon within the listing to register your TrustATrader Guarantee. Find out more

  • Extension Specialists in Hertford, SG14 1HR. Covering Hertfordshire and 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...

    5 reviews / 4.97 out of 5

    Phil & Ryan were exceptional the work was second to none - there were very conscientious and thorough they were clean and tidy. They were always...

    Hertford
    Hertfordshire
    SG14 1HR

  • Extension Specialists in St. Albans, AL3 6HR. Covering Hertfordshire, Bedfordshire, Greater London, London 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...

    19 reviews / 4.84 out of 5

    Vito and team were wonderful and have built us an excellent extension. Vito went above and beyond for us and I could not be more thankful. He is a...

    St. Albans
    Hertfordshire
    AL3 6HR

  • Extension Specialists in St Albans, AL1 1SF. Covering 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...

    108 reviews / 4.92 out of 5

    Beswick recently completed our renovation of removing our old conservatory from the back of our mid terrace house in St Albans and creating a new...

    St Albans
    Hertfordshire
    AL1 1SF

  • Extension Specialists in Stevenage, SG2 9DW. Covering Hertfordshire

    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...

    24 reviews / 4.99 out of 5

    We engaged Red Swan to build and fit a kitchen extension for us to replace our old conservatory. Right from the start, we felt in safe hands with...

    Stevenage
    Hertfordshire
    SG2 9DW

  • Extension Specialists in South Mimms, EN6 3NE. Covering all Hertfordshire and Essex areas.

    At One Call Building Services (Herts) Ltd we can tailor our service to provide a bespoke service to all Landlords and Management Agents that will...

    59 reviews / 4.7 out of 5

    OneCall were brilliant - they were ontime or early every day, were professional, very respectful of our home and their workmanship was second to...

    South Mimms
    Hertfordshire
    EN6 3NE

  • Don't forget! Please mention TrustATrader when you contact any of our trusted traders.

    TrustATrader Guarantee easily covers your next job via TrustATrader to provide extra peace of mind. Click this icon within the listing to register your TrustATrader Guarantee. Find out more

  • Extension Specialists in Radlett, WD7 9FH. Covering all areas of Herts and London.

    ADS Contracts is a well established, trustworthy, reliable and professional company with over 30 year's experience. Based in Radlett, (Herts), we...

    29 reviews / 4.53 out of 5

    I have used this firm a few times now and have found them a reliable, hard working team. The quality of work is excellent and Dave the owner is...

    Radlett
    WD7 9FH

  • Extension Specialists in Hitchin. Covering Herts, Beds, Bucks, and North London

    At JPS Construction we provide our clients with an all-in-one construction service, from extensions right through to new builds. Based in...

    16 reviews / 5.0 out of 5

    Highly recommend Jack , super communication from start to finish . Very professional, a good competitive quote , work was carried out to a superb...

    Hitchin
    Hertfordshire
    SG4 7HY

  • Extension Specialists in Waltham Cross, EN7 6DR. Covering Herts, Essex and North London.

    GP Property Services has over 25 years experience in offering a wide range of building services from extensions, renovations and loft conversions...

    28 reviews / 4.99 out of 5

    Work undertaken - fitting a new kitchen and renovation of an extension including new windows and door. Gary and Paul were punctual each day and...

    Waltham Cross
    Herts
    EN7 6DR

  • Extension Specialists in Borehamwood, WD6 2JD. Covering London and Hertfordshire 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...

    70 reviews / 4.86 out of 5

    Lukas and co. extended our kitchen and knocked through our dining room to make a large open plan kitchen diner area. They also helped us find a...

    Borehamwood
    Herts
    WD6 2JD

  • Extension Specialists in Ware, SG11 1BQ. Covering Herts . London . Essex . Cambs . Beds .

    Reid James is a family run Building and Construction company based in Ware, Hertfordshire who cover all areas in London, Essex, Cambridge, and...

    104 reviews / 4.81 out of 5

    Stuart, what can I say? Absolutely amazing. Customer service and workmanship were 10/10 from start to finish and they're very trustworthy. I...

    Ware
    Herts
    SG11 1BQ
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Other services relating to Extension Builders in Hertfordshire

Our average rating for Extension Builders

5.0 - 5.0 out of 5 from 2386 reviews

  • Linx Design & Build, London

    5 out of 5.0

    "We appreciate your exceptional work in building design and construction. Your team’s professionalism, efficiency, and..."

    Jacob Forster on 15th February 2025

  • Nova Design & Build London Ltd, London

    5 out of 5.0

    "The team was punctual, professional, and did a brilliant job."

    Roza Szabo on 13th February 2025

  • Leadway Developments & Construction Ltd, Sidcup

    5 out of 5.0

    "Leadway have converted my garage, fitted two bathrooms, a kitchen and have just finished my driveway. Service on all..."

    Nicola Howard on 13th February 2025

  • SM London Construction Ltd, Slough

    5 out of 5.0

    "We are currently working with Shaz and his team to fully renovate and extend our forever home. The communication and..."

    Josh Beaumont on 13th February 2025

  • Leadway Developments & Construction Ltd, Sidcup

    5 out of 5.0

    "We were recommended Leadway by a friend who had used them for a loft many years ago. From the minute we contact them we..."

    Gary Clements on 12th February 2025

Other locations for trusted Extension Builders

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