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  4. Extension Specialists in Westminster

Extension Specialists in Westminster

Browse trusted local Extension Specialists in Westminster 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 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 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...

    196 reviews / 4.97 out of 5

    Very pleased with the work that the LINX team has done. The kitchen fitting turned out beautifully with a clean finish, the roof was expertly...

    London
    SW3 5EX

  • Extension Specialists in South Kensington & Chelsea. Covering South Kensington and Chelsea

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

    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.

    South Kensington & Chelsea
    SW7 4SF

  • 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

    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...

    68 reviews / 4.99 out of 5

    Excellent experience from beginning to end. The team were friendly, reliable and incredibly hardworking. They respected our home, cleaned up every...

    London
    EC2A 4NJ

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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 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...

    8 reviews / 4.98 out of 5

    We’re absolutely delighted with our renovation. Chris and his team did a really great job, we feel like we’re living in a new house! We booked...

    London
    NW3 4DB

  • Extension Specialists in Highgate. Covering London and surrounding areas

    UCS offer a comprehensive range of services.Established since 1985, we will ensure all our work is carried out to the highest possible...

    166 reviews / 4.77 out of 5

    Richard came to view the proposed work, provided really useful advice that helped with my decision-making and made me confident in his experience...

    Highgate
    London
    N6 5HP

  • 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...

    25 reviews / 4.96 out of 5

    Tom, Clayton, Vitali and crew. Thank you for a really well done job. Correct estimate provided. Issues dealt with swiftly. On time and within the...

    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...

    91 reviews / 4.88 out of 5

    We are delighted with the office refurbishment completed by Powerpillar Ltd. Their team delivered a professional, high-quality service from start...

    London
    E10 7QP

  • 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
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Other services relating to Extension Specialists in Westminster

Our average rating for Extension Specialists

4.97 - 4.97 out of 5 from 2646 reviews

  • LINX Design And Build, London

    5 out of 5.0

    "Very pleased with the work that the LINX team has done. The kitchen fitting turned out beautifully with a clean finish,..."

    Manville Fremont on 6th September 2026

  • JLS Building Services Ltd, Southend On Sea

    5 out of 5.0

    "After meeting Justin at an initial viewing of our property we knew that we had found the right builder. After..."

    John Mason on 6th September 2026

  • DSL Brickwork Ltd, Rayleigh

    5 out of 5.0

    "**Loft Conversion** DSL have recently just completed our full loft conversion in Thundersley, Essex. Daniel support us..."

    Marcus Moorcraft on 4th September 2026

  • DSL Brickwork Ltd, Rayleigh

    5 out of 5.0

    "Dan is extremely approachable, very knowledgeable, helpful and thoroughly professional. My project was small but the..."

    Terry Taber on 3rd September 2026

  • EcoBuilders.Green Ltd, Hockley

    5 out of 5.0

    "Amazing team of builders. They helped us with our retrofit of our house to the Passiv Haus standard. It wasn’t easy and..."

    Chloe Mulholland on 1st September 2026

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