How it works

  1. Post a job

    Post a job

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

  • GT Services

    Extension Builder working in West Sussex
    Trade Member since 2017

    Gt services is a general building company. We have 25 years of building experience. I started off as a labourer and then qualified as a carpenter. We have been involved in new builds, project management. Loft conversions and extensions. We thrive off giving you the service read more

    Latest Conversions - General feedback review:

    Refurb of a 60's bungalow

    GT services did an excellent job in our 60's bungalow. It needed fully updating, bathroom, kitchen & conservatory were all very old and needed replacing. A chimney, chimney breast, door & airing cupboard removed to give more space in the...

    By elizabeth43134 on

  • iWorks

    Extension Builder working in West Sussex
    Trade Member since 2018

    Building company undertaking domestic extensions, loft conversions, structural alterations and refurbishments. Over 30 years experience working in the Sussex area. read more

    Latest Loft Conversions feedback review:

    Extension with dormer windows plus bathroom

    We are delighted with every detail of the completed work.Paul undertook responsibility for all aspects of the build ensuring that all other essential trades(plumbing,electrics,roofers and decorators) arrived as planned and did a great...

    By jill12870 on

  • JT BUILDS AND SPECIALISED CARPENTRY

    Extension Builder working in West Sussex
    Trade Member since 2018

    JT Builds and specialised carpentry is a family run general building and carpentry buisiness with myself and my brother carrying out small and larger contracts ranging to £250,000+, we work closely with our customers every step of the way, we take pride in our work to read more

    Latest Carpentry feedback review:

    Large pergola

    A very professional job and nothing was too much trouble. They arrived early every day and always left everything nice and tidy at the end of the day. Would reckomend this company to anyone and will not hesitate to get them back for any...

    By kevin44022 on

  • C-21 Construction

    Extension Builder working in West Sussex
    Trade Member since 2018

    General Builder, 40 years in construction business, extensions and conversion work. read more

    Latest Extensions client reference:

    Extension (10m by 7m) with kitchen/living area, utility and wet room with 5’ by 5’ shower. Delighted with the quality and built to agreed budget. Jez was always involved in discussing the work and requirement. Am engaging same company...

    Reference taken by MyBuilder on

  • SD Carpentry & Construction

    Extension Builder working in West Sussex
    Trade Member since 2017

    I'm a qualified City & Guilds Carpenter with 30 years experience. I'm also experienced in Auto Cad and open web joist design. I can supply you with drawings for planning applications to suit your needs. I have done many new builds over the years and also extensions and loft read more

    Latest Extensions client reference:

    Simon was contracted to convert a loft in a 3 bed terraced house. The level of care & attention to detail shown by Simon and his colleagues was excellent. He kept us up to date on progress, and kept in regular contact even when not on site....

    Reference taken by MyBuilder on

  • Edgeway Building Services Limited

    Extension Builder working in West Sussex
    Trade Member since 2017

    We understand that every project we undertake is unique because of the clients’ needs and their budget, which is why we tailor a solution to fit these. We believe our knowledge and expertise together with our trusted and valued tradesmen will cover every aspect of your read more

    Latest Extensions client reference:

    I had a single storey kitchen extension built by Jimmy and his team. As well as the construction of the building, the work involved building a new patio, laying new turf, replacing fences and building a side gate. Jimmy's team fitted a new...

    Reference taken by MyBuilder on

  • Aspyer Build

    Extension Builder working in West Sussex
    Trade Member since 2020

    We are the complete building company, we do all aspect of work ranging from kitchens and bathrooms, structural alterations, loft conversions, extensions, new builds, refurbs And roofing, Our team are all fully qualified and experienced in what they do to carry out any work read more

    Latest Extensions feedback review:

    Rear Extension & internal reconfiguration

    Got 3 quotes and although Terry & Chad weren't the cheapest we went with them based on gut instinct. Whilst there were some communication issues, and the work took 2.5 times longer than estimated, the end result was amazing! The quality...

    By richard70153_75 on

  • Southwater Building Company

    Extension Builder working in West Sussex
    Trade Member since 2023

    We are a building company specialising in extensions, brickwork, carpentry, landscaping, and driveways. We are a small company and most of the work is undertaken by us and the small group of other trades that we have worked with for a long time (electricians and plumbers). read more

    Latest Extensions client reference:

    Tim carried out repairs to our flat roof and extension roof. The work was done to a high standard and Tim and team were polite, tidy and reliable. I wouldn’t hesitate to recommend Southwater Building Company.

    Reference taken by MyBuilder on

  • Gibson Groundworks and Construction

    Extension Builder working in West Sussex
    Trade Member since 2019

    We are a family run, local groundworks and construction company with over 20 years experience. We take on extensions, driveways, patios and many additional types of Groundworks. We keep a keen eye on costs, and have excellent relationships with all our suppliers in order to read more

    Latest Bricklaying feedback review:

    Retaining garden wall

    Built a garden wall and reset paving stones, team was on time clean and did the job without any problems, I would recommend them highly. Very competitive price and the work was done to a high standard. I will be using them again in the...

    By norman_50 on

  • Future Build

    Extension Builder working in West Sussex
    Trade Member since 2017

    Future build is a high quality and traditional building company with the ability to make your project stand out from the rest within an agreed budget. We a pride ourselves with no hidden extras and always finishing the work on time and at the highest standard. read more

    Latest Extensions client reference:

    Mr Barrett and his co-workers are excellent. Punctual, reliable and very organised and tidy in execution. He is a very good all round builder who organises and sub-contracts to other very talented tradesman. Geoff himself is a very good all...

    Reference taken by MyBuilder on

  • Langhams construction southern ltd

    Extension Builder working in West Sussex
    Trade Member since 2020

    General building ,extensions ,lofts & new-builds 3rd generation with years of experience and good reputation read more

    Latest Extensions feedback review:

    Rear kitchen and dinning room extensions

    Joe and his team have recently completed my rear extension, removed one old kitchen and rebuilt a new one. I can't compliment his team enough, they where all brilliant, kind and polite. From the first moment Joe turned up to give me a...

    By junderwood_60 on

  • MAIN CONSTRUCTION

    Extension Builder working in West Sussex
    Trade Member since 2019

    We cover all aspects of building work from start to finish, Extension & Conversion Specialist, I’m a Master builder with over 40 years of experience, My feedback speaks for itself. read more

    Latest Restoration & Refurbishment feedback review:

    Redevelop kitchen-diner and conservatory

    Gerry was brilliant throughout the whole process. At the planning stage he offered guidance about potential options for the redevelopment, then talked me through how each would work. He went with me to get quotes from two different kitchen...

    By jamesg_75 on

  • Canterwood Partnership

    Extension Builder working in West Sussex
    Trade Member since 2020

    Canterwood Partnership are a professional, experienced building firm, specialising in renovations, residential and commercial projects within Sussex, Surrey and Kent. We have a team of highly skilled in-house craftsmen to create perfect solutions for our clients. We pride read more

    Latest Conversions - General feedback review:

    Knock through, Steel installation & re-decoration

    We had a very positive experience with Canterwood Partnership. Carl and his team were very efficient and nothing was ever too much trouble. The work was completed on time, on budget and to a very high standard, as expected. Would...

    By sarah11308_29 on

  • Dh builders

    Extension Builder working in West Sussex
    Trade Member since 2018

    I have been in the conservatory and glazing industry since 1987. DH can construct a complete conservatory without using sub contractors or replace a cold conservatory roof for a tiled warm roof. We supply and fit Ultraframe and Supalite roofs. Our installations have 10 yr read more

    Latest Conservatories feedback review:

    Renovation of conservatory floor

    Good job completed and pleased with final results.

    By jill42816 on

  • L.E.C CONSTRUCTION

    Extension Builder working in West Sussex
    Trade Member since 2017

    Hello and welcome to L.E.C Construction we are a Sussex based company and have more than 10 years experience in the building trade. We are a very friendly team and it would be great to work together on a project. We specialise in all types of brickwork, groundwork, read more

  • C.G.B Carpentry

    Extension Builder working in West Sussex
    Trade Member since 2023

    C.B.G Strives to give honest and fair quotes for all carpentry needs. Experience within the company ranges from small house hold maintenance to full construction of houses. CBG carpenters are fully qualified with City and Guilds qualifications in carpentry and joinery, and read more

  • DANCY BUILDING CONTRACTORS

    Extension Builder working in West Sussex
    Trade Member since 2022

    A building contractor that cares, and priorities your requirements and expectations. read more

    Latest Groundwork & Foundations client reference:

    George did the building work for my extension. I was delighted with his work, his timekeeping, the way he left the site each day and his general demeanour. Nothing was too much trouble. I have no hesitation in recommending him. A really...

    Reference taken by MyBuilder on

  • GBS Interiors limited

    Extension Builder working in West Sussex
    Trade Member since 2022

    With almost 20 years high end fit out and commercial building experience, we have built a great reputation and client base in the construction industry. We will always deliver the highest quality project within the time allocated and will endeavour to fulfil our clients read more

  • M.Geary LTD

    Extension Builder working in West Sussex
    Trade Member since 2021

    Brickwork Groundworks Patios Landscaping Driveways We complete a wide range of construction works and are happy to complete any jobs that we are confident and trained in completing. Any works we do not complete we have a wide range of other companies we work alongside read more

  • Tecta Build Ltd

    Extension Builder working in West Sussex
    Trade Member since 2023

    We are a professional and friendly building team based in West Sussex. We have over 15 years experience gained in West Sussex & Surrey. Areas of expertise include building works, renovations, extensions, roof installation, kitchen installation and 1st and 2nd fix carpentry. 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 in West Sussex have an average review score of 99% positive based on 1,487 homeowner reviews.

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