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Extension Builders in the UK

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  • J k contract specialises in all trade preservation work tanking dry rot timber treatments extension attic conversion rubbish removal one stop shop that us we also do full bathroom and kitchen installations all structual work undertaken.

    Latest General Maintenance Review

    "John carried out exact request asked for. Quote was as expected and thorough to outline scheduled timeline and cost of project."

    Reviewed by on
    Based in EH47 7LN, Bathgate
    Extension Builder
    Member since Apr 2024
    ID Checked

    As a family run company we cover all aspects of building and renovations , we offer a free no obligation quote , it’s a father and son team and are able to organise complete builds to minor alterations and repairs , bathrooms , kitchens , plastering...

    Latest Extension Review

    "These guys were brilliant I could. Not reccomend them highly enough. If you are looking for excellent workmanship with polite professional service these are the guys for you. If you have pets (specifically dogs) and you’re worri..."

    Reviewed by on
    Based in BH23 1FE, Dorset
    Extension Builder
    Member since Jul 2025
    ID Checked

    I am the owner of I&J Construction with over 25 years of experience within the construction industry Fully insured company for all the following work We are fitters of the cheapest lightweight tiled conservatory roofs in Yorkshire just give us a ca...

    Latest Stud Wall Review

    "Iain did great work removing a load-bearing internal wall from our kitchen and installing a new RSJ - Would recommend!"

    Reviewed by on
    Based in S71 5JE, South Yorkshire
    Extension Builder
    Member since Apr 2020
    ID Checked

    We do all internal & external work on all properties All maintenance work We build extensions, garage conversions, porches, loft conversions etc Internal & external painting Plastering & Rendering Roof cleaning, soffits & facias We also do Fencing,...

    Latest Internal Walls Review

    "Mark recently completed our garage conversion and delivered excellent workmanship throughout. He was consistently punctual, kept the working area tidy and finished exactly to the agreed schedule. The quality of the finish is high..."

    Reviewed by on
    Based in WV15 5PD, Bridgnorth
    Extension Builder
    Member since May 2020
    ID Checked

    ALT Joinery & Building ltd we are a new company specializing in high-quality joinery and building services. We offer a comprehensive range of services to both residential and commercial clients, from small-scale renovations to large-scale constructio...

    Latest Walls & Pillars Review

    "We had a wall installed in our workspace and couldn’t be happier with the result. The team did an amazing job; everything was done to a really high standard and the finish looks fantastic. Communication with Liam was great from st..."

    Reviewed by on
    Based in EH17 7RT, Edinburgh
    Extension Builder
    Member since Oct 2019
    ID Checked

    Hi we are a friendly and honest Company, who always do everything to help and make customers feel safe and happy, we price all Jobs with exact price from start to finish, everything is done in a law contract, so costoms feel lot safer from cowboys,...

    Latest Wooden Doors - Internal Review

    "Excellent work done, friendly service"

    Reviewed by on
    Based in CF45 3TL, Rhondda Cynon Taf
    Extension Builder
    Member since Jan 2020
    Public liability insurance

    With over 30 years industry experience we have a wealth of knowledge and talent. From extensions to home renovations, new kitchens and other projects. You can count on us to get it done and within budget. My team have been working on projects toge...

    Latest Chimney Building / Repair Review

    "Steve and team were quick and efficient. Would recommend and use again."

    Reviewed by on
    Based in LS12 5QR, Leeds
    Extension Builder
    Member since Sep 2024
    ID Checked

    reliable and honest builder from the Ilminster area looking for work small or large work is no problem I have been in the building trade for over 35 years I am also proficient at other trades such as plastering, roofing, carpentry, wall and floor til...

    Latest Internal Rendering Review

    "Nick came at a time that suited us and completed a messy job quickly, professionally and for less than he had originally quoted. Brilliant"

    Reviewed by on
    Based in TA19 0DZ, Ilminster
    Extension Builder
    Member since Nov 2022
    ID Checked

    I am a builder with over 50 years experience, initially a bricklayer, but over the years l have learned many other trades.....Now l am semi-Retired, l concentrate my wide skill knowledge as a Building Maintainence Person, Laying Patios, building wall...

    Latest Internal Walls Review

    "Job completed very efficiently. A nice bloke, as well. Friendly, professional and helpful. Completed on time and on budget."

    Reviewed by on
    Based in DT9 5BS, Dorset
    Extension Builder
    Member since Jan 2025
    Public liability insurance

    We have been doing building work since 1991. Domestic and commercial work. When we do extensions we have a good relationship with building control and we manage the project from start to completion. We have accounts with several nation building sup...

    Latest Concrete Base Review

    "Great service at fair price. Great guy who I'll definitely return to for more works in future. Cheers Stuart 👍🏽"

    Reviewed by on
    Based in ST17 4FW, Stafford
    Extension Builder
    Member since Jan 2020
    Public liability insurance

    We have been in business for over 25 years and we cover most property maintenance issues. We specialise in garage conversions, extensions and flat roof work. If you would like a quote from a competent friendly family run firm, then please feel free...

    Latest Internal Doors Review

    "Craig was brilliant from start to finish. He consulted us about everything and kept us up-to-date with progress right throughout the build. I’m really happy with the quality and the professionalism of the work that has been done...."

    Reviewed by on
    Based in LS14 5LE, Leeds
    Extension Builder
    Member since Apr 2021
    ID Checked

    ORESTI PAVING & construction Ltd we do all types off building work to high standards Please give us a call for free quote Thank you

    Latest Bathroom Installation Review

    "Three bedroom house complete renovations top job. so so pleased. Luli and his team are great people. everything was as i wanted and passed expectations. quality finish. they were hardworking, quick, punctual, extremely helpful and..."

    Reviewed by on
    Based in E4 8NE, London
    Extension Builder
    Member since Mar 2018
    ID Checked

    Hi we are Aquila Home Improvements Ltd. Your local building & roofing specialist. We service homes around the West Midlands. If your in need to of a professional execution on your next home upgrade, we will endeavour to deliver.

    Latest Internal Rendering Review

    "Superb workers efficient and respectful value for money highley recommend"

    Reviewed by on
    Based in DY7 6RH, Stourbridge
    Extension Builder
    Member since Mar 2025
    Public liability insurance

    40 years experience, carpentry to plastering,we can maintain your property fix a water leak to build an extension, East Sussex based covering lewes to Brighton. Full public liability

    Latest External Painting - Wall Review

    "Richard Stubbs was efficient and pleasant and carried out the works to a high standard."

    Reviewed by on
    Based in TN21 8AF, East Sussex
    Extension Builder
    Member since Jun 2024
    Public liability insurance

    Hey my names Ben and iv worked in the construction industry for over 7 years now. I have extensive experience and training in many areas of the building industry. These being •carpentry •grounds working •concreting •demolition and steelwork •drywa...

    Latest Loft Conversion Review

    "Ben was fantastic. He explained all through the process what he was doing. He was efficient and tidy. Also work cost was very reasonable. I would highly recommend him."

    Reviewed by on
    Based in SO20 6BQ, Hampshire
    Extension Builder
    Member since Feb 2025
    ID Checked

    I am a reliable general builder I have built extensions loft conversion and general alterations and structural steel work I have been in this business for 30 years I really enjoy my work and talking to clients . I have a public liability insurance...

    Latest General Maintenance Review

    "Geoff is a very nice and helpfull person. He did a great job and complete within the time we agreed, left everything clean and tidy. Recommend to everyone."

    Reviewed by on
    Based in BS31 2NX, Bristol
    Extension Builder
    Member since Mar 2025
    Public liability insurance

    Hi, I am a general builder with a background in bricklaying & plastering. As a young teenager I naturally had fallen in to the building trade as my father and other family members were in the industry. I have excelled in both trades as well as g...

    Latest General Maintenance Review

    "Dale was very professional, kept in contact until the job was done and completed the job to an excellent standard. Would highly recommend him. Thank you!"

    Reviewed by on
    Based in LN2 5DX, Lincoln
    Extension Builder
    Member since Jun 2025
    ID Checked

    Hi there, I have 7 years experience brick and block laying. As well as me, I have more hands on deck to help with bigger jobs . We take on groundworks (foundations, drainage etc) brick and block walls and roofing. While we spend most of our time work...

    Latest Fireplace Review

    "Hard to find people like Jack.. the smiliest and the most honest I ever found! No hidden costs, no negatives. Excellent job and always available for explanations! It will be in my first people to go to when I need something done 1..."

    Reviewed by on
    Based in RG45 6LB, Crowthorne
    Extension Builder
    Member since Jul 2024
    ID Checked

    17 years in building and many more in groundwork. We provide quality service in all aspects of building and groundwork’s including hard landscaping. We cover the whole of the northeast from Darlington to Berwick.

    Latest Internal Renovation / Reconfiguration Review

    "Fantastic service start to finish. Couldnt be happier with the job."

    Reviewed by on
    Based in SR3 2UA, Sunderland
    Extension Builder
    Member since Oct 2025
    ID Checked

    Roofing and loft conversions for over 15 years. Derby based but work all over the midlands. Fully qualified and insured workers. We do from new roofs, minor building / extensions to full loft conversion.

    Latest Extension Review

    "Great comms start to finish. Understood exactly what was required and got the right people in to do the non- roofing work. Good quality workmanship."

    Reviewed by on
    Based in DE21 4FQ, Derby
    Extension Builder
    Member since Jun 2025
    ID Checked
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    Our Reviews

    All reviews are submitted by homeowners who have had work completed as part of using our service. Whilst every effort is made to verify and check reviews, we ask all homeowners to conduct their own research and follow our Homeowner Checklist before hiring.

    To understand more about our reviews process, please visit our Reviews Policy.

    Find Extension Builders Near You

    Recently posted jobs

    Join over 1,000,000 happy homeowners who have posted their job on MyJobQuote.

    Job posted in Bracknell

    Build single storey extension aproximately 30sq meter at rear of the house

    Job posted in Wickford

    Single storey flat warm-roof extension. Approximately 5.5m wide and 5m long. Currently no designs or structural engineering drawings etc. There is an...

    Job posted in Louth

    Building a 18m² extension to rear with roof lantern and bifold doors 1 double window. Flat roof epdm.

    Job posted in Gosport

    Single storey extension of kitchen and dining room to be connected

    Job posted in Bromley

    Integrate garage into habitable living space and in front of infill extension in 3 floors. You can find all documents in here: https://drive.google.co...

    Job posted in Bracknell

    Build single storey extension aproximately 30sq meter at rear of the house

    Job posted in Wickford

    Single storey flat warm-roof extension. Approximately 5.5m wide and 5m long. Currently no designs or structural engineering drawings etc. There is an...

    Job posted in Louth

    Building a 18m² extension to rear with roof lantern and bifold doors 1 double window. Flat roof epdm.

    Job posted in Gosport

    Single storey extension of kitchen and dining room to be connected

    Job posted in Bromley

    Integrate garage into habitable living space and in front of infill extension in 3 floors. You can find all documents in here: https://drive.google.co...

    Job posted in Glasgow

    a pre-made 5x3 ad-on that comes in a kit from Dunster House, foundations are preparedand ready for build

    Job posted in Paisley

    Build a single storey extension at side of house creating a utility room and toilet

    Job posted in Swansea

    Build a single story extension to the rear of my property, approx 8.6m2.

    Job posted in Dewsbury

    Build an extension with 2 bedroom and wet room Single story Planing is approved Build reg is approved

    Job posted in Southampton

    I want to build around a 3.5 m × 2.19 m extension to expand the size of the kitchen. The work required would be to build it and install electricics ec...

    Job posted in Glasgow

    a pre-made 5x3 ad-on that comes in a kit from Dunster House, foundations are preparedand ready for build

    Job posted in Paisley

    Build a single storey extension at side of house creating a utility room and toilet

    Job posted in Swansea

    Build a single story extension to the rear of my property, approx 8.6m2.

    Job posted in Dewsbury

    Build an extension with 2 bedroom and wet room Single story Planing is approved Build reg is approved

    Job posted in Southampton

    I want to build around a 3.5 m × 2.19 m extension to expand the size of the kitchen. The work required would be to build it and install electricics ec...

    Job posted in Bolton

    two storey side extension to detached property

    Job posted in Hull

    Need a brick extension/lean to attached to the back door of the house to make easier access for disability equipment (mobility scooters)

    Job posted in Portsmouth

    About 37 square feet extension single storey ,

    Job posted in Bolton

    Build single storey at rear of house which is 6.5meters squared (2.5 metres by 2.5 metres)

    Job posted in Fulham

    I have recently had planning permission approved for a ground floor extension to my flat in Fulham. I am only looking to have the 'shell' of the exte...

    Job posted in Bolton

    two storey side extension to detached property

    Job posted in Hull

    Need a brick extension/lean to attached to the back door of the house to make easier access for disability equipment (mobility scooters)

    Job posted in Portsmouth

    About 37 square feet extension single storey ,

    Job posted in Bolton

    Build single storey at rear of house which is 6.5meters squared (2.5 metres by 2.5 metres)

    Job posted in Fulham

    I have recently had planning permission approved for a ground floor extension to my flat in Fulham. I am only looking to have the 'shell' of the exte...

    Job posted in Coventry

    Dining room 6m wide 3m depth Very simple job Will need to remove decking and make flat base to build on

    Job posted in Coleford

    Single storey, 2m x 5m with roof, and bifold patio doors

    Job posted in Wellingborough

    Side extension to house extending kitchen and dining room, no door required. Maybe Sky light windows.

    Job posted in Newcastle upon Tyne

    Single storey extension 18sq metres

    Job posted in Treorchy

    building section to back of house for bathroom

    Job posted in Coventry

    Dining room 6m wide 3m depth Very simple job Will need to remove decking and make flat base to build on

    Job posted in Coleford

    Single storey, 2m x 5m with roof, and bifold patio doors

    Job posted in Wellingborough

    Side extension to house extending kitchen and dining room, no door required. Maybe Sky light windows.

    Job posted in Newcastle upon Tyne

    Single storey extension 18sq metres

    Job posted in Treorchy

    building section to back of house for bathroom

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