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    Post a job

    Tell us about your job, and we'll alert suitable extension builders in St Albans. 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.

  • Open Plan Solutions (Hunbuild Ltd)

    Extension Builder working in St Albans
    Trade Member since 2008

    Our company, Open Plan Solutions (Hunbuild Ltd) specialises in structural jobs (open plans, steel supports - RSJ-s, chimneys), extensions, conversions and refurbishments from planning to completion. We also do traditional lime rendering and masonry works including stone read more

    Latest Restoration & Refurbishment feedback review:

    Chimneybreast removal and wall knockthrough in Hitchin

    Andrew and his team did a good job overall. This was our first large renovation and we were poorly prepared. Andrew handled our last-minute approach to planning the job very gracefully in retrospect. Would use again.

    By johanc on

  • SCARBO DESIGN & BUILD

    Extension Builder working in St Albans
    Trade Member since 2021

    SCARBO DESIGN AND BUILD is a family run business working within the construction industry with over 100 years combined experience. read more

    Latest Extensions client reference:

    We had a ground floor extension. We were extremely happy with the work completed by Charley. He was reliable, trustworthy and easy to work with throughout the time the extension was being completed. He kept within budget. We absolutely love...

    Reference taken by MyBuilder on

  • Johnstones Property Services

    Extension Builder working in St Albans
    Trade Member since 2017

    25 years experience in the building trade. Running my own business for 15 years. More than just decorators; I have a team who can complete a variety of building related tasks. We specialise in complete property refurbishments and are a proud member of the The Guild of read more

    Latest Conversions - General feedback review:

    Knock a wall out to put a bigger door in under stairs

    Job became more complicated than expected, which was going to be more expensive than quoted so I decided not to go ahead with the work. So David put everything back as it was at no expense to myself. Very happy 😊

    By theresa_83 on

  • JCG Building Services Limited

    Extension Builder working in St Albans
    Trade Member since 2023

    JCG Building Services Limited are a friendly company, who have a proven track record of reliability and professionalism combined with a friendly approach. Most of our work comes from personal recommendations so our reputation matters and we take great pride in what we read more

    Latest Extensions client reference:

    Double story, side and rear extension. Made the entire process a lot less stressful than it could have been. Excellent workmanship, completed the job on time, to budget and was both personable and professional. Great communication, and...

    Reference taken by MyBuilder on

  • Landi Brickwork

    Extension Builder working in St Albans
    Trade Member since 2022

    I'm Landi and I have been a bricklayer for more than 15 years. I have a wide experience across a range of projects (from big buildings to small walls), different materials (bricks, blocks and slabs) and pointing. read more

    Latest Bricklaying feedback review:

    Replace retaining wall and steps to front door

    Landi and his mate rebuilt my front steps and wall to a high standard. Landi was very thorough in his assessment of the job, and provided helpful recommendations based on similar work he'd undertaken. They were very hard working and...

    By steve61568 on

  • Enea Group LTD

    Extension Builder working in St Albans
    Trade Member since 2018

    Enea Group LTD has undertaken all forms of design and construction work, from Refurbishments, House Extensions and Loft Conversions, to remodelling also for the New Home Builds. In our team we offer a wealth of experience and extensive construction knowledge. read more

    Latest Fascias & Soffits feedback review:

    Replace fascias

    I’m not an expert. But my fascia boards and soffits look great. Such a nice tidy job. And not easy as the fascia is very wide. Lovely workmen. Everything left perfectly clean and tidy. The price quoted was extremely reasonable,...

    By dorothy52769 on

  • C&C Construction

    Extension Builder working in St Albans
    Trade Member since 2016

    Hello, My name is Billy, I’m a Chartered Institute Builder & AssocRICS Surveyor/Project Manager. I provide my clients with only the best quality workmanship and standards. Turn key service available, 18+ years Experience, A build team with a real passion for what we read more

    Latest Plastering feedback review:

    Fit plaster boards and skim. New studded wall

    Billy is a great professional, did extra work without any charge. Will highly recommend

    By leo73637 on

  • D Inch Building & Design

    Extension Builder working in St Albans
    Trade Member since 2017

    We are an established, trusted building company with over 25years experience. We offer a one stop solution for all of your building needs, with a team of highly skilled tradesmen, taking the stress out of your project. We have a strong client base and our reviews speak for read more

    Latest Restoration & Refurbishment feedback review:

    Repairs to existing extension

    Yes good builder and mostly like the job just really irritates me that every thing that needs correcting is my fault? snagging mentioned, paint doesn’t last for ever ? Shit plastering by the same person I think not ? electrics my fault -...

    By jackie66340 on

  • Oakcrest Homes Ltd

    Extension Builder working in St Albans
    Trade Member since 2021

    Here at Oakcrest homes we offer a comprehensive service for all your building needs. Whether it’s renovation works, extensions or complete new builds we have a wealth of experience and up to date knowledge of building regulations and are dedicated to providing the highest read more

    Latest Extensions client reference:

    We used James and his team for our internal work and front and rear extension. After meeting with a list of builders, we found this service to be more personal and transparent. Others builders seemed to lack the communication skills to...

    Reference taken by MyBuilder on

  • BAPM

    Extension Builder working in St Albans
    Trade Member since 2022

    A complete building service all under one roof. Taking the hassle and stress away from you. We are specialists in extensions, new builds and full refurbishments. Undertaking all trade skills read more

  • crimson kite construction

    Extension Builder working in St Albans
    Trade Member since 2022

    Fully experienced, impeccable attention to detail. Able provide a design service or complete a project to architect specifications. read more

  • KBS Construction Services

    Extension Builder working in St Albans
    Trade Member since 2019

    In our offer we have a wide range of construction services such as: • Extensions • Conversions • Renovations • Kitchens • Bathrooms-Washrooms • Property Maintenance • Handyman Service • Refurbishment • Brick work etc • Specialist read more

    Latest Carpentry feedback review:

    Internal shaker door size reduction & fitting

    Kamil was an absolute star!! He took apart a 1930 internal solid wood shaker door, reduced the size quite a bit to fit a much smaller modern doorway and returned it primed and fitted. Several carpenters declined to quote or said that it...

    By gary_575 on

  • Tim Lee Construction and Development

    Extension Builder working in St Albans
    Trade Member since 2018

    A small family run business with over 30 years experience within the building trade. Specialising in structural alterations and conversions. Kitchen design, supply and installation. All professional trades you will need to complete your project. read more

  • Stag Builders of Hertfordshire LIMITED

    Extension Builder working in St Albans
    Trade Member since 2021

    We are Members of the ( Federation of Master Builders ) and the ( National Federation of Builders ). We also have (Trustmark - Goverment Edorsed Quality Licence No). S §tag Builders of Hertfordshire is a family run business with Specialties in Plastering, Garage read more

  • Gudgeon’S groundworks

    Extension Builder working in St Albans
    Trade Member since 2023

    Gudgeon’S groundworks is a young and enthusiastic firm that pushed for high quality jobs. From hard landscaping and footings to garden fencing and building, we can do it all. read more

  • Ferrity Construction & Home Improvements

    Extension Builder working in St Albans
    Trade Member since 2022

    Ferrity Construction is a Hertfordshire based construction team who handle every job professionally and finish jobs to the highest standards. Here are some of our specialties. - Extensions - Full home refurbs - EWI (external wall insulation) - roofing - guttering - read more

    Latest Insulation feedback review:

    Loft insulation

    Callum was professional, giving me a very reasonable quotation. He attended on the agreed date, brought the material and cleaned up perfectly. I enjoyed having him to work in my home and would employ him again. Dr J C Bradley

    By dr67272 on

  • Oliver Building Services Limited

    Extension Builder working in St Albans
    Trade Member since 2018

    About Oliver Building Services Ltd, have been fitting kitchen and bathrooms for many years. We pride ourselves on being the go-to bathroom fitters for discerning . We specialise in all bathroom fitting and design services including: Please feel free to get in contact and read more

    Latest Kitchen Fitting feedback review:

    New kitchen, flooring and door frame widening job

    Oliver and his team have completed a refurbishment project in our home. They have been excellent throughout this project and we really appreciate their work. They are really friendly and we consider them to be very trustworthy. Oliver has...

    By lucy45664 on

  • Avenue Developments

    Extension Builder working in St Albans
    Trade Member since 2017

    Avenue Developments is a development consultancy, taking projects from inception to completion, in time and within budget. We offer our clients a tailored service, by evaluating each project to identify where value can be added and where potential problems may read more

    Latest CAD/Drawings feedback review:

    Drawing Plans Double Storey Extension

    Lack of professionalism! Called me at 2150 to say was interested in job, warning signal but said far enough so booked an appointment. He didn’t turn up nor respond to my texts asking if he was held up somewhere. I am not sure how...

    By phil_720 on

  • Charles Lee

    Extension Builder working in St Albans
    Trade Member since 2017

    I have over 20 years experience building in and around Hertfordshire and Bedfordshire. I have managed and built extensions, fitted kitchens and bathrooms, completed small and large carpentry and joinery projects. I take great pride in my work and always work alongside my read more

  • Ashridge Developments

    Extension Builder working in St Albans
    Trade Member since 2020

    I started in the trade at 17 labouring on my father on his building sites and learning from many skilled trades. I’ve worked for a few local builders since but 5 years ago went out with my father again and we have been doing so ever since. For the last 3 years we have been read more

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 near St Albans in Hertfordshire have an average review score of 99% positive based on 3,707 homeowner reviews.

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