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  4. Extension Builders in Greenwich

Extension Builders in Greenwich

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

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Local Extension Builders

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

  • 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 Leyton. Covering Waltham Forest, Haringey, Enfield, Redbridge, Romford, Hackney, Southwark, Woolwich and all surrounding areas.

    About usBrygola Constructions, established in 2004 (formerly Brygola Brickwork), is an Essex-based construction company delivering high-quality...

    119 reviews / 4.73 out of 5

    Fantastic company. Everything we hoped for with the build. Brygola worked hard and delivered on time to a very high quality. The workmanship is to...

    Leyton
    London
    E10 6LT

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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 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 Bexleyheath. Covering All areas within the M25 .

    Westbury Builders has seen a sharp upturn in enquiries in 2008 as many home owners are now opting to stay put in an uncertain market place and...

    202 reviews / 4.96 out of 5

    Thank you You have a great bunch of guys working for you and the two that did my patio this time were extremely kind and thoughtful. Well done all of you

    Bexleyheath
    Kent
    DA7 4BP

  • Extension Specialists in Beckenham. Covering South East England .

    Cromarty Construction Ltd provide first class building services - we carry out all general building works from the ground to the roof...

    31 reviews / 4.69 out of 5

    Michael fixed our rising damp on the walls. He stripped them back to brick and treated and re plastered them to a high finish. He is very...

    Beckenham
    Kent
    BR3 4RH

  • 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 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
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Other services relating to Extension Builders in Greenwich

Our average rating for Extension Builders

4.97 - 4.97 out of 5 from 2633 reviews

  • 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

  • DSL Brickwork Ltd, Rayleigh

    5 out of 5.0

    "We had our chimney removed and plaster finished. Dan was very professional and helpful and really nice guy. This was..."

    Sally Whittle on 30th August 2026

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