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  4. Extension Specialists in Watford

Extension Specialists in Watford

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

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Local Extension Specialists

We have found a selection of the best, most reliable Extension Specialists 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.

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  • Extension Specialists in Ruislip. Covering Ruislip, Uxbridge, Ickenham, Rickmansworth, Denham, Hillingdon and Harefield

    Our building services company JPH Property Developments was established over 20 years ago, and I have 40 years experience in the building...

    13 reviews / 4.96 out of 5

    Jason kept me involved at every stage of the work right from day one. He was there for all deliveries ensuring they were in place. When...

    Ruislip
    Buckinghamshire
    HA4 7UG

  • Extension Specialists in St. Albans. 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 St. Albans, (Herts),...

    30 reviews / 4.54 out of 5

    Very experienced team of professionals. Dave and his team have done various jobs for me over the last few years and they have all been completed...

    St. Albans
    Hertfordshire
    AL2 1DP

  • Extension Specialists in St Albans. 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...

    119 reviews / 4.92 out of 5

    I was extremely satisfied with the renovation works carried out by Beswick Building & Renovations Ltd. A very professional and friendly team,...

    St Albans
    Hertfordshire
    AL1 1SF

  • Extension Specialists in Borehamwood. 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...

    77 reviews / 4.86 out of 5

    I got a couple of quotes but went with Lucasz because he sounded experienced. I thought my job was complicated as it needed a number of trades:...

    Borehamwood
    Herts
    WD6 2JD

  • Extension Specialists in St. Albans. Covering St. Albans and surrounding areas

    Oliver Building Services Ltd provides house extensions and bungalow extensions in St Albans, helping homeowners in and around the local area make...

    36 reviews / 4.97 out of 5

    We are delighted with our new kitchen. Oliver and his team are true professionals and did a brilliant job of fitting it. They were friendly,...

    St. Albans
    Hertfordshire
    AL1 5GW

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    TrustATrader Guarantee for extra peace of mind. 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 London. Covering Herts, Middx, and all areas of North and North West London.

    RAS Construction & Design Ltd is a well established company specialising in all aspects of extensions, loft conversions, general building,...

    39 reviews / 4.95 out of 5

    RAS did a superb job for us. They carried out an extensive top-to-bottom refurbishment of our double-fronted Edwardian house. This included an...

    London
    Hertfordshire
    NW7 0AN

  • Extension Specialists in London. Covering North London, North West London, Central 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...

    60 reviews / 4.94 out of 5

    Bright Builders are an amazing team of friendly, responsible and professional builders. Ervin is a great person to work with; understanding,...

    London
    N20 0HD

  • Extension Specialists in London. Covering North London, North West London and all surrounding areas.

    Chelebi Builders is a Build & Design construction company based in North London. Our expertise range from Loft Conversions, Extensions, House...

    31 reviews / 4.96 out of 5

    Chelebi carried out a side and rear extension on our Victorian semi detached. Cafer and his team pulled out all stops to ensure works were...

    London
    Greater London
    N12 0DR

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

    In an unstable market, house extensions are often the most viable option, allowing you to maximise the use of your existing space without...

    38 reviews / 4.91 out of 5

    Allan and his team are excellent. Very respectful, punctual and professional. Cannot be happier with the service they provided.

    Finchley
    London
    N3 2AG

  • Extension Specialists in London. Covering all surrounding areas within a twenty mile radius

    Welcome to Prime Construction Services LtdWe are builders based in London that have been successfully completing work in the area for many...

    17 reviews / 4.93 out of 5

    One of the few contractors out there who were honest, patient with our indecisiveness and flexible in their approach with us. Prime Construction...

    London
    N12 9LY
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Other services relating to Extension Specialists in Watford

Our average rating for Extension Specialists

5.0 - 5.0 out of 5 from 2535 reviews

  • Arch Mark Construction Ltd, Upminster

    5 out of 5.0

    "Arch Mark construction built an extension for us at the end of 2024/early 2025. The whole experience from start to..."

    Matthew Gordon on 6th November 2026

  • Arch Mark Construction Ltd, Upminster

    5 out of 5.0

    "We are delighted with the work mark and his team did for us. Started and completed on time, any changes or additions were..."

    Martin Greenfield on 5th November 2026

  • Westbury Builders, Gravesend

    5 out of 5.0

    "Brilliant from start to finish. The team turned up on time every day. Kept us informed at every stage. Work completed to..."

    Gary Lyel on 4th November 2026

  • Arch Mark Construction Ltd, Upminster

    5 out of 5.0

    "I’ve used the services of Mark and his team on many occasions from building a wall to building an out building of 100sqm...."

    Jeff Collyer on 3rd November 2026

  • LINX Design And Build, London

    5 out of 5.0

    "The Linx team's new construction and refurbishment initiatives have made my family and I very happy. Every aspect of the..."

    Andrew Murphy on 2nd November 2026

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