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  4. Extension Builders in New Barnet In Greater London

Extension Builders in New Barnet In Greater London

Browse trusted local Extension Builders in New Barnet In Greater London 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 Barnet. Covering North London and Herts and surround areas

    Welcome to Square Mile Builders Limited your trusted building partner in Barnet. With over 20 years of industry expertise, specialising in loft...

    7 reviews / 5.0 out of 5

    Great service and result. Always there to listen and give advice. Great aftercare too. Highly recommended.

    Barnet
    EN5 2JA

  • Extension Specialists in London. Covering 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
    N20 0HD

  • Extension Specialists in London. Covering all surrounding areas within a twenty mile radius

    Welcome to Prime UK Contractors LtdWe are a builders and extension specialists based in London that have been successfully completing work in the...

    17 reviews / 4.93 out of 5

    One of the few contractors out there who were honest, patient with our indecisiveness and flexible in their approach with us. Prime UK contractors...

    London
    N12 9LY

  • 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 Finchley 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...

    17 reviews / 4.99 out of 5

    Sebastian and the team promised on the first day to give me a beautiful bathroom. They kept that promise! We are delighted with the work. Would...

    London
    N3 1JG

  • 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 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

  • Extension Specialists in Borehamwood. Covering London and Hertfordshire 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...

    72 reviews / 4.85 out of 5

    Lukasz and his team member worked very well. Concreting an extended area to my shed Base and reset some loose paving steps. Work completed the...

    Borehamwood
    Herts
    WD6 2JD

  • 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,...

    37 reviews / 4.95 out of 5

    Sorin and his team recently completed our ground floor renovation and we are very pleased with all aspects of the job. Sorin provided us with a...

    London
    Hertfordshire
    NW7 0AN

  • Extension Specialists in Borehamwood. Covering postcode WD6 incorporating a 15-mile radius of North 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...

    5 reviews / 4.83 out of 5

    I was genuinely amazed at how smoothly AEA handled everything. Their constant updates and progress reports were excellent, and the team worked...

    Borehamwood
    England
    WD6 5DR

  • Extension Specialists in Radlett. Covering all areas of Herts and London.

    ADS Contracts is a well established, trustworthy, reliable and professional company with over 30 year's experience. Based in Radlett, (Herts), we...

    30 reviews / 4.54 out of 5

    Very experienced team of professionals. Dave and his team have done various jobs for me over the last few years and they have all been completed...

    Radlett
    WD7 9FH
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Other services relating to Extension Builders in New Barnet In Greater London

Our average rating for Extension Builders

4.89 - 4.89 out of 5 from 2519 reviews

  • Den Builders Ltd, Dagenham

    5 out of 5.0

    "Denbuilders Ltd were fantastic to work with. Den was really helpful throughout the entire process and supported me at..."

    Jetmir A. on 8th January 2026

  • BLS Builders Ltd, Harrow

    5 out of 5.0

    "Preparing house and garden for renovations, removing flooring, kitchen, wallpaper and old plaster. Removal of all rubble..."

    RUCHIT KHIMASIA on 7th January 2026

  • 21st Century Design & Build Ltd, London

    4 out of 5.0

    "Tom and the team were really helpful, when anything unexpected occurred they ensured to gather all the information to..."

    Ed Scott on 7th January 2026

  • Square Mile Builders Limited, Potters Bar

    5 out of 5.0

    "We have worked with Chris and his team a number of times over the years. Not only is their work to a high standard, it..."

    Charlotte Pearl on 5th January 2026

  • Nouvell Decor, Buckhurst Hill

    5 out of 5.0

    "We asked Mark for a quote to install a downstairs toilet and to carry out additional works to an adjacent utility room...."

    Bill Dear on 28th December 2025

Other locations for trusted Extension Builders

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