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  1. Post a job

    Post a job

    Tell us about your job, and we'll alert suitable extension builders in Northamptonshire. It’s simple and free.

  2. Hire a tradesperson

    Tradespeople respond

    Once your job is posted, you'll get responses from interested extension builders through the website.

  3. Leave feedback

    Review and choose

    Browse profiles, work history, and feedback, then choose who you wish to share your details with.

  • W Lee Carpentry Limited

    Extension Builder working in Northamptonshire
    Trade Member since 2011

    Thank you for taking the time to read my profile. At W Lee carpentry Ltd we offer a complete service to all our customers. All work is to a very high standard and comes with a minimum 12 month guarantee. Building work guarantees are a lot longer. Details provided in our read more

    Latest Extensions feedback review:

    Kitchen extension and fit out

    We are so pleased with our wonderful new side return extension, kitchen and patio. Wez and his team were brilliant from start to finish. Took his time to do a great job and never complained when we made changes to the plan. We are...

    By mrs79390_74 on

  • Mogbrick

    Extension Builder working in Northamptonshire
    Trade Member since 2017

    We are a team which can start a project for you from the very beginning till turnkey. Experience: •years of applied experience as a Bricklayer •NVQ level 2 bricklayering NVQ level 2 carpentry • Highly skilled in building and repairing structures from the read more

    Latest Bricklaying feedback review:

    Double storey front extension in Overstone. Ready to go

    I have been a developer/ for 15 years or so and have used multiple bricklaying gangs in that time. Petru Mogildea of Mogbrick is the best I have worked with. Him and his gang are relentless. They took on a very large demolition and...

    By davboss on

  • VillBuild

    Extension Builder working in Northamptonshire
    Trade Member since 2016

    I am safety conscious and able to fully concentrate on tasks. I like to keep my work zone in a clean condition and I’m trying to unfold my activity in a good organized steps. read more

    Latest Conversions - General feedback review:

    Doorway

    The builders gave a speedy quote and completed the work promptly and to a high standard. I found then to be honest, reliable and extremely tidy. I recommend them unreservedly.

    By marianne87424 on

  • MPM Construction Ltd Northants

    Extension Builder working in Northamptonshire
    Trade Member since 2023

    MPM&Family Construction Ltd, "Building your vision, one brick at a time. Welcome to MPM Construction - where quality craftsmanship meets superior customer service." read more

    Latest Extensions client reference:

    Double store extension what he did for me was spot on.100% professional builder. Really good attitude. Really good focus on details and quality. Open for changes in projects and always recommend best way to fix problems on site.I...

    Reference taken by MyBuilder on

  • Kingsthorpe Building Services

    Extension Builder working in Northamptonshire
    Trade Member since 2011

    Whatever projects you have in mind from simply hanging a door to building a new extension or maybe a new drive or patio then contact KBS for an estimate and advice. We aim to provide quality work at an affordable price. read more

    Latest Bricklaying feedback review:

    New rear garden wall

    We live inn a conservation area and we had a collapsed wall which was in need of repair, the wall had to be put back in line with how it originally looked. Kingsthorpe building services took on the work, they were excellent right from the...

    By chris68465 on

  • Law Home improvements

    Extension Builder working in Northamptonshire
    Trade Member since 2019

    Home Improvements Over 40 years experience, Father and Son Carrying out all aspects of building work including building, Carpentry, fitted kitchen, windows, bathrooms, wardrobes, read more

    Latest Extensions feedback review:

    Kitchen extension

    Mark Law Home Improvements was absolutely fantastic and transformed my kitchen/dining room/conservatory into a wonderful kitchen/living space. The workmanship has been outstanding as has the attitude of both Mark and anyone that has worked...

    By kate_64 on

  • S & E Construction Group Ltd

    Extension Builder working in Northamptonshire
    Trade Member since 2018

    S & E Construction Group Ltd was established in 2017 providing construction, refurbishment, furniture fit-out services. We expanded our operating regions, working now not only in UK but also in region of Cote d'Azur, France. Full set of services now includes: Interior read more

    Latest Extensions feedback review:

    3m squared Porch. Start ASAP.

    Porch was done great. All the requirements we gave for the porch were met, I was particularly impressed with the quality and finish of the Porch. From the brickwork, flooring and painting, it all looked clean and professional.

    By birana36842 on

  • MroBrickwork

    Extension Builder working in Northamptonshire
    Trade Member since 2019

    I'm a self employed bricklayer with over 15 years experience. Mainly working on all aspects of new builds, be it footings or from DPC upwards. Garden walls, garages etc.. read more

    Latest Bricklaying feedback review:

    Kitchen extension

    I would highly recommend Mark and Kev. Created a beautiful extension for the side of the house. From groundwork’s to roof, was highly professional whilst being open to changes we made on site. When we couldn’t find bricks of the same...

    By kate14262 on

  • Eos Contractors

    Extension Builder working in Northamptonshire
    Trade Member since 2017

    We are an all around building company, We have been In the building industry for over 15 years, we are fortunate to have a great team of skilled tradesman working for us, we normally work on full renovations, extensions and loft conversions but we do most building jobs. We read more

    Latest Extensions feedback review:

    Single storey rear extension and side garage build

    After receiving several quotes, I chose to go with Anthony and Charlie due to how accommodating they were to make sure the build would meet my requirements. They were very competitive on price and delivered within the original quote. They...

    By robinl_22 on

  • Deans Property Maintenance

    Extension Builder working in Northamptonshire
    Trade Member since 2018

    Im ex army and carpenter and joiner by trade with 18 years experience, we do all aspects of the building trade. We have been trading as a company for 3 years now and we are growing fast. We do both commercial and domestic building works. Big jobs or small jobs we love read more

    Latest Extensions feedback review:

    Kitchen extension, raised ceiling, underfloor heating

    Team worked well and kept things tidy. Good all round team able to support with all aspects of our job. They have confidence and take pride in their work. Would use them again.

    By nashby26 on

  • Dmitry

    Extension Builder working in Northamptonshire
    Trade Member since 2023

    We are a young company, but with extensive experience in all areas of construction, qualified employees who comply with standards and are able to meet the needs of the client. read more

    Latest Extensions client reference:

    Excellent skills and great competence. There was an easy and helpful comunication about how to complete every detail of the job. New first floor extension with 2 new rooms, backyard extension with 3 new rooms a new loft and a loft...

    Reference taken by MyBuilder on

  • L D Design and Build Ltd

    Extension Builder working in Northamptonshire
    Trade Member since 2020

    General building contractor Extensions Loft conversions New builds read more

    Latest Conversions - General feedback review:

    Convert Garage to Out-building

    Les and his team are total experts providing guidance and creative solutions throughout the project. Very patient and accommodating, as this was a huge project and investment for us, and were flexible as much as they could be. Would...

    By bhav_suchak on

  • Ra building services

    Extension Builder working in Northamptonshire
    Trade Member since 2020

    Local builder covering all aspects of work including extensions read more

    Latest Extensions feedback review:

    Porch

    Rab was quick to respond to my initial post, kept me updated on the work in hand and completed within the time frame that was given... clean and tidy, friendly and all done in time for Xmas. Would recommend.

    By lesleyb on

  • AGS Builders

    Extension Builder working in Northamptonshire
    Trade Member since 2019

    We offer Groundworks, Brickwork, Landscaping, House Extensions, Driveways, Patios, Fencing and Maintenance and Repairs. No job too small! read more

    Latest Fencing feedback review:

    Fence repair and also new installation

    Really great communication and although not the biggest job actually wanted to do it which seems quite rare these days. Punctual on the day and did a great job, managing to fix parts of the existing fence rather than saying we needed to...

    By james59973 on

  • D.P.H Building Services

    Extension Builder working in Northamptonshire
    Trade Member since 2015

    DPH Building Services Ltd undertakes all aspects of the residential development process from, planning and development to design, construction and handover. We work with homeowners, landlords and developers through to local authorities.We have worked on many varied read more

    Latest Bricklaying client reference:

    Dominic created a very large patio for us. We already had a smaller patio with a complex design that did not meet our needs. Dominic was delightful to work with, his communication was brilliant and he was very accurate with his estimates....

    Reference taken by MyBuilder on

  • ELDERTONS BRICKWORK SERVICES

    Extension Builder working in Northamptonshire
    Trade Member since 2023

    We are eldertons brickwork services, we are a new company to the area, but have many years previous experience in the industry, no job is to big or to small from repointing to new builds, any work to do with brick, block or stonework undertaken. read more

  • SLC Brickwork

    Extension Builder working in Northamptonshire
    Trade Member since 2022

    I read more

  • Envisage carpentry Ltd

    Extension Builder working in Northamptonshire
    Trade Member since 2019

    We are a growing company form Northampton with over 20 years experience, in them years we have covered every aspect of carpentry, our company undertakes any construction from new build house to extensions or conversions. Minor works like refurbishment on property to kitchen read more

    Latest Carpentry feedback review:

    New doors need hanging

    Ryan did a great job for us, very pleasant and helpful.

    By sharon15321 on

  • L&S Builders

    Extension Builder working in Northamptonshire
    Trade Member since 2018

    Hi , lee & scott here we are brothers that have been in the building trade since we left school and have over 20 years experience working for small builders,we have been doing our own little private work alongside also working for small builders building there extension, read more

  • Kiril Manolov

    Extension Builder working in Northamptonshire
    Trade Member since 2017

    CSCS/CIS Professional Bricklayer I have run and worked all kind of projects in and around Midlands since 2009.Looking to expand my business. I can provide references on request read more

    Latest Bricklaying feedback review:

    Brick up between 2 windows approx 450 X 825 mm -

    Kiril came out on Sunday and did what we needed him to and a bit more. Work was to a good standard and was neat and tidy.

    By ecowatt_electrical on

What can extension builders do?

MyBuilder is the simplest way to find a reviewed and vetted extension in your local area. We can connect you with local extension builders near you, so you can choose the ideal tradesperson for your project with confidence.

Whether your plans are big or small, we can help you find a skilled extension builder to support you with your job. Your contact details are only shared with tradespeople you want to speak to, so you can check out their credentials, read honest customer reviews and get free quotes to compare.

There are lots of jobs that extension builders can help with, including:

  • Extending your home with an extra room
  • Two+ storey extensions
  • Adding partition walls to create more rooms
  • Building annexes or external structures

Top Extension Builder Reviews

99%

Extension Builders working in Northamptonshire have an average review score of 99% positive based on 1,692 homeowner reviews.

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