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  4. Extension Builders in Brentwood

Extension Builders in Brentwood

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

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.

  • 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 Hornchurch. Covering Hornchurch, Upminster & surrounding areas in Essex

    JDR Building Services is based in Hornchurch Essex and we have been providing high standard house extensions, loft extensions and new builds from...

    22 reviews / 4.99 out of 5

    JDR were recommended to me by my golf tutor and Jamie and the boys did a really brilliant job in providing me with a new loft hatch with extending...

    Hornchurch
    Essex
    RM12 6PJ

  • Extension Specialists in Upminster. Covering Basildon and surrounding areas

    Arch Mark Construction Ltd is a bricklaying and stonemason company with over 15 years' experience in the industry. Any investment in property...

    17 reviews / 4.98 out of 5

    Mark and his team rebuilt a boundary wall after damage. They did a fantastic job. They were punctual, clean, tidy and very considerate of my...

    Upminster
    RM14 2RS

  • Extension Specialists in Wickford. Covering all of Essex

    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...

    63 reviews / 4.93 out of 5

    When dealing with Richard, he knew what I wanted and came up with suggestions and sent photos with ideas. They don’t normally paint as they are a...

    Wickford
    Essex
    SS12 9PW

  • Extension Specialists in Chelmsford. Covering Chelmsford, Essex and all surrounding areas.

    Durrant Construction was formed in 2012 by Luke Durrant. Luke has been in the building trade for over 15 years and has had substantial experience...

    64 reviews / 4.95 out of 5

    From our initial meeting Durrant were professional and understood what we wanted. They provided a clear quote and payment plan for the project. ...

    Chelmsford
    Essex
    CM1 1PA

  • Extension Specialists in Chelmsford. Covering Chelmsford, Witham, Maldon, Billericay, Ingatestone, Ongar, Shenfield, Brentwood, Upminster, Romford and the 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...

    54 reviews / 4.95 out of 5

    Ryan was great throughout the seven month build. Always courteous and polite, but up for a laugh at the same time. All the subbies he brought in...

    Chelmsford
    Essex
    CM1 4AZ

  • 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 Buckhurst Hill. Covering London . Essex

    Nouvell Decor is a well-established domestic building company, incorporated in October 1997. We are known for being trustworthy, reliable, and...

    148 reviews / 4.82 out of 5

    Mark and his team did a brilliant job of damp proofing three of our rooms and decorating them beautifully. They were trustworthy and really...

    Buckhurst Hill
    Essex
    IG9 6EN

  • Extension Specialists in Hockley. Covering Southend-on-sea and all Essex areas.

    At EcoBuilders.Green, we provide a comprehensive service that eliminates the hassle of searching for the right professionals, including the need...

    78 reviews / 4.84 out of 5

    Ecobuilders did a great job on our mini-extension! Ryan, Dan & Ollie were all fantastic, polite and friendly. They listened to our needs and were...

    Hockley
    Essex
    SS5 6JZ

  • 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...

    15 reviews / 5.0 out of 5

    Eastland Construction have been absolutely fantastic from start to finish. The team of builders were punctual every day, arriving on time and...

    London
    E11 2SY

  • 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...

    196 reviews / 4.96 out of 5

    All workers were very friendly and professional. All work carried out to a very high standard. Highly recommended.

    Bexleyheath
    Kent
    DA7 4BP

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

    Brygola Constructions was founded in 2004 under its previous trade name, Brygola Brickwork. The company changed its name in order to better...

    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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Other services relating to Extension Builders in Brentwood

Our average rating for Extension Builders

4.89 - 4.89 out of 5 from 2595 reviews

  • Linx Construction Group Limited, London

    5 out of 5.0

    "We recently hired to build our new single-story extension. The project went very smoothly, and we are delighted with the..."

    Rabin Sapkota on 14th December 2025

  • A Iqbal Construction Ltd, Slough

    5 out of 5.0

    "These guys recently completed a rear extension for our home, and we couldn't be happier with how it turned out. From..."

    Anand Sharma on 11th December 2025

  • Westbury Builders, Gravesend

    5 out of 5.0

    "Very professional and prompt service."

    Mrs Gladys Walker on 9th December 2025

  • Leadway Developments & Construction Ltd, Sidcup

    5 out of 5.0

    "I hired Leadway for an extension at my home in Orpington and the experience was excellent from start to finish...."

    Toby Morgan on 6th December 2025

  • AK Builders, Finchley

    5 out of 5.0

    "Allan and his team are excellent. Very respectful, punctual and professional. Cannot be happier with the service they provided."

    Fiona Morris on 5th December 2025

Other locations for trusted Extension Builders

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