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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.

  • 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 East London, North London, Romford and Rainham

    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...

    16 reviews / 5.0 out of 5

    We recently had a kitchen extension completed and I honestly cannot recommend East Land & Construction enough. With two small children, we were...

    London
    E11 2SY

  • 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 Chelsea, Kensington, Mayfair & Soho

    LINX Design And Build is a family-run business with intensive experience in the building and construction industry. We have been helping customers...

    176 reviews / 4.96 out of 5

    Very happy with how our renovation project turned out overall. Although supplies caused a few small delays, there was always excellent...

    London
    SW3 5EX

  • 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 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

  • 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 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 Throughout 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...

    22 reviews / 4.95 out of 5

    Tom and the team were really helpful, when anything unexpected occurred they ensured to gather all the information to make decision making much easier.

    London
    SE4 1JD

  • Extension Specialists in London. Covering the whole of London and the surrounding areas

    Powerpillar Ltd is based in London and we have been providing high standard house and bungalow extensions for customers in London and the...

    88 reviews / 4.87 out of 5

    Emmanuel was very considerate to accept our job on the same day. We were very desperate to create space for a tumble dryer in our kitchen area and...

    London
    E10 7QP

  • 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 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,...

    38 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
View more

Other services relating to Extension Specialists in London

Our average rating for Extension Specialists

4.89 - 4.89 out of 5 from 2433 reviews

  • LINX Design And Build, London

    5 out of 5.0

    "Very happy with how our renovation project turned out overall. Although supplies caused a few small delays, there was..."

    Tommy Albro on 19th February 2026

  • RAS Construction & Design Ltd, London

    5 out of 5.0

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

    Charles Brown on 19th February 2026

  • Den Builders Ltd, Dagenham

    5 out of 5.0

    "We recently had an extension and renovation done by Denbuilders and we’re absolutely delighted with the outcome. Den and..."

    Arjan Shabani on 18th February 2026

  • UCS Bathrooms, Highgate

    5 out of 5.0

    "The shower drain was blocked and water flowed under the door on to the upstairs landing, through the ceiling to the..."

    Johnan Robertson on 18th February 2026

  • Den Builders Ltd, London

    5 out of 5.0

    "We had a great experience with Denbuilders! Den built our home extension and managed the entire project from start to..."

    Gejms Grasp on 15th February 2026

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