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  4. Extensions Conversions in Harrow

Extensions Conversions in Harrow

Browse trusted local Extensions Conversions in Harrow on TrustATrader, all vetted, with photos of completed work, and reviews from previous customers.

Local Extensions Conversions

We have found a selection of the best, most reliable Extensions Conversions 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 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 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...

    75 reviews / 4.86 out of 5

    Łukasz did an excellent job. The load-bearing wall demolition was carried out efficiently, professionally, and exactly as agreed. You can clearly...

    Borehamwood
    Herts
    WD6 2JD

  • Extension Specialists in Uxbridge. Covering Uxbridge, Ruislip, 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...

    12 reviews / 4.96 out of 5

    Jason was very polite and courteous. He listened to our needs and once we all agreed on the work he just cracked on with no fuss. He was...

    Uxbridge
    Buckinghamshire
    UB9 5DJ

  • 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 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

  • 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 Rickmansworth. Covering Rickmansworth and incorporating a 15 mile radius

    About BLS Builders, Rickmansworth.🚫 NO MARKETING CALLS PLEASE.BLS Builders is a family-run business with over 25 years of experience, proudly...

    14 reviews / 5.0 out of 5

    Great team - very professional and easy to work with. We will use them again and have recommended to others.

    Rickmansworth
    WD3 7NU

  • 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 Radlett. 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...

    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...

    Radlett
    WD7 9FH

  • 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 London, North London, 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...

    6 reviews / 5.0 out of 5

    Full house refurbishment Chris and his team's results have been amazing! The project entailed a complete refurbishment of my four bedroom...

    London
    NW3 4DB
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Other services relating to Extensions Conversions in Harrow

Our average rating for Extensions Conversions

5.0 - 5.0 out of 5 from 2212 reviews

  • C Shambi Builders Ltd, Barnet

    5 out of 5.0

    "Chris and his team refurbished a flat I purchased 4 years ago, and I could not have been happier with the experience. The..."

    Marie Proumen on 18th June 2026

  • Allround Building Services Limited, Slough

    5 out of 5.0

    "We can’t thank Asad and his team enough for the work that’s been carried out, the standard of craftsmanship is..."

    Lauren Clarke on 16th June 2026

  • Ashcourt LER LTD, Richmond

    5 out of 5.0

    "Great team, very professional. Easy to deal with and left my house very tidy Had my bathroom converted and replaced..."

    Perry Bispham on 16th June 2026

  • Evolution Building and Developments Ltd, Kings Langley

    5 out of 5.0

    "I found Evolution Building and Developments an exceptionally efficient and effective company with whom I’d certainly..."

    Mark Preece on 15th June 2026

  • C Shambi Builders Ltd, Barnet

    5 out of 5.0

    "We have worked with Chris and his team multiple times over the past 8 years (eg installing a kitchen, bathroom, flooring,..."

    Zoe Scott on 12th June 2026

Other locations for trusted Extensions Conversions

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