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  4. Extension Specialists in London

Extension Specialists in London

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

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

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  • Extension Specialists in London. Covering West London

    Kaca construction Ltd is a prospective, family run building company based in West London. We provide high quality services in residential...

    11 reviews / 4.98 out of 5

    We recently had our back building converted into a gym by KACA Construction Ltd, and we couldn’t be happier with the results. From the very...

    London
    W5 5QX

  • 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 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...

    14 reviews / 4.96 out of 5

    Pure Contractors exceeded all our expectations on every level. From the initial consultation right through to the end result. Everyone we dealt...

    London
    SW11 1AA

  • Extension Specialists in London. Covering SW1, SW6, SE13, SW19, KT1, TW1 and all surrounding areas

    AL-KO Construction Ltd is a London-based home extension specialist with more than 12 years' experience delivering high-quality house and bungalow...

    34 reviews / 4.98 out of 5

    Altin's plastering work is second to none! The walls are smooth and flawless, making the room look brand new. Their attention to detail and...

    London
    SE11 4AE

  • 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

  • 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 London. Covering Throughout London

    About Us21st Century Design & Build Ltd is a London-based design and build specialist offering high-quality house and bungalow extensions across...

    24 reviews / 4.96 out of 5

    This is the second time using the 21st century and design and build team and couldn’t be happier! This project was twice the size of the last one...

    London
    SE4 1JD

  • Extension Specialists in London. Covering Greater London

    Den Builders LtdInnovative. Reliable. Family-Run Construction Experts.Based in Greater London, Den Builders Ltd is a trusted, family-run...

    9 reviews / 5.0 out of 5

    We had a great experience with Denbuilders! Den built our home extension and managed the entire project from start to finish. He was professional,...

    London
    SE9 1PF

  • Extension Specialists in London. Covering East and 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
    E17 7LP

  • 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 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
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Other services relating to Extension Specialists in London

Our average rating for Extension Specialists

5.0 - 5.0 out of 5 from 2456 reviews

  • LINX Design And Build, London

    5 out of 5.0

    "Extremely satisfied with the heating and plumbing work. Everything was done correctly and discussed in detail. They..."

    Peter Morris on 9th June 2026

  • The Bleu Group, Worcester Park

    5 out of 5.0

    "The Bleu Group are simply fantastic. Thank you to Igor, Toby and the rest of the team. They worked on our property and..."

    Jay Patel on 9th June 2026

  • EcoBuilders.Green Ltd, Hockley

    5 out of 5.0

    "The work exceeded my expectations in every way. The work was carried out in a fast and efficient way, keeping mess to a..."

    Colin Wood on 8th June 2026

  • LD&C, Sidcup

    5 out of 5.0

    "We recently had a single storey rear kitchen extension built by LD&C and we couldn't be happier with the result. The team..."

    Jamie Blake on 5th June 2026

  • LD&C, Sidcup

    5 out of 5.0

    "I was kept informed throughout by Den and his workforce as to what was being done and had been done. At the end of each..."

    Sarah Thorne on 4th June 2026

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