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  4. Extension Builders in Harlow

Extension Builders in Harlow

Browse trusted local Extension Builders in Harlow 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 Bishop's Stortford. Covering Bishop's Stortford and the surrounding area

    Our building services company Nevill Construction Ltd have been helping customers in Bishop's Stortford and the surrounding area by providing...

    56 reviews / 4.89 out of 5

    ⭐️⭐️⭐️⭐️⭐️ A Dream Home Come True – Thanks to Dan and the Team! Dan at Nevill started our extension in March, and within just six to eight weeks...

    Bishop's Stortford
    Hertfordshire
    CM23 3NR

  • Extension Specialists in Waltham Cross. Covering Herts, Essex and North London.

    GP Property Services has over 25 years experience in offering a wide range of building services from extensions, renovations and loft conversions...

    31 reviews / 4.99 out of 5

    Gary and Paul have just completed a downstairs rear extension, side upstairs extension and full redecoration including new windows throughout on...

    Waltham Cross
    Herts
    EN7 6DR

  • Extension Specialists in Ware. Covering Herts . London . Essex . Cambs . Beds .

    About UsReid James is a family-run building and construction company based in Ware, Hertfordshire, serving London, Essex, Cambridge and...

    108 reviews / 4.82 out of 5

    A lovely job carried out by Stuart and his team. Complete refurbishment of our shower room/cloakroom. Work completed to a high standard by all...

    Ware
    Herts
    SG11 1BQ

  • 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...

    151 reviews / 4.82 out of 5

    Absolutely delighted with the plastering work carried out in my kitchen by Nouvell Decor Ltd. The finish is of a very high standard, and the team...

    Buckhurst Hill
    Essex
    IG9 6EN

  • Extension Specialists in Romford. 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...

    18 reviews / 5.0 out of 5

    Eastland and their team have made our house into a luxurious home. The transformation and quality of workmanship is the best I have seen. These...

    Romford
    RM5 3JS

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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.

    Level Up London Ltd provides home extension specialists across London, helping homeowners create more space without the stress of moving. With...

    9 reviews / 5.0 out of 5

    Works completed Full Refurb 3 bedroom house Kitchen, 2 bathrooms, decorating, garden Level Up London completed my project last year to...

    London
    E4 9BX

  • Extension Specialists in London. Covering London

    Bubble Level Ltd provides home extensions and extension planning for homeowners across London and the surrounding area. In an unstable market,...

    27 reviews / 4.96 out of 5

    Would recommend them and very customer service provided. Good quality workmanship and knowledgeable about the service they provide.

    London
    N18 1HP

  • 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 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

  • 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
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Other services relating to Extension Builders in Harlow

Our average rating for Extension Builders

4.99 - 4.99 out of 5 from 2231 reviews

  • LINX Design And Build, London

    5 out of 5.0

    "We’re really pleased with the side infill and loft conversion. The team made excellent use of every inch of space,..."

    Lara Bray on 24th August 2026

  • 21st Century Design & Build Ltd, London

    5 out of 5.0

    "Tom, Clayton, Vitali and crew. Thank you for a really well done job. Correct estimate provided. Issues dealt with..."

    Azeem Pirbhai on 24th August 2026

  • LINX Design And Build, London

    5 out of 5.0

    "Our new shower was expertly installed by the LINX crew! Excellent workmanship, courteous, and professional throughout...."

    Nicole Morgan on 21st August 2026

  • Nova Design & Build London Ltd, London

    5 out of 5.0

    "Excellent experience from beginning to end. The team were friendly, reliable and incredibly hardworking. They respected..."

    Michael Rosse on 18th August 2026

  • R&J Building Services Ltd, Shefford

    5 out of 5.0

    "Jon was completing a similar extension at a neighbouring house and was happy to have an early discussion, giving us great..."

    Anne Taylor on 17th August 2026

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