How it works
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Post a job
Tell us about your job, and we'll alert suitable extension builders in Worthing. It’s simple and free.
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Tradespeople respond
Once your job is posted, you'll get responses from interested extension builders through the website.
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Review and choose
Browse profiles, work history, and feedback, then choose who you wish to share your details with.
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GT Services
50 reviews • 98% positive ratingExtension Builder working in WorthingTrade Member since 2017Gt 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:
Knock through dining room and hallway to living room
We are extremely happy with Gary's work so far, all demolition work was done quickly and cleanly with minimal dust. The site was always left neat and tidy at the end of each day, which was really good as the work was taking place in our...
By amy97243 on 15th Aug, 2023
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Affordable construction
8 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2021I’m a building company with 35 years on the tools . We do new builds, extensions, conversions, patios, driways , We only carry out 1 project at any time and do not start the next until yours is completed… read more
Latest Extensions feedback review:
Extension 5.5m x 3m to rear of bungalow
Importantly for us, on a project this size was trust, Paul never asked for a deposit and the way in which the Payments were made, gave us peace of mind regarding ‘getting what we pay for’. The final payment was made after building...
By keef9669 on 26th Feb, 2023
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iWorks
7 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2018Building 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 7th Sep, 2022
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SD Carpentry & Construction
3 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2017I'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 Carpentry feedback review:
skirting and architrave, door adjustment
Simon worked hard and well, did what we discussed and to the price fitting skirting board, architrave and a weather bar. He has a pleasant manner, and clears up. Would recommend him.
By percy_21 on 14th Mar, 2017
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TJD construction
8 reviews • 88% positive ratingExtension Builder working in WorthingTrade Member since 2020We 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 23rd Oct, 2021
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Starling construction solutions ltd
9 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2023We are a team of friendly qualified tradesmen with over 100 years experience between us. We do small jobs like hanging doors to luxury extensions and stunning garden rooms read more
Latest Carpentry feedback review:
Outside door repair
Terry arrived prompty to take a look at the job. I was provided with a fair quote and the work was completed quickly and smoothly. I would definitely recommend Terry to others. Thanks again!
By alice75066 on 22nd Aug, 2023
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Gibson Groundworks and Construction
23 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2019We 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 21st Jul, 2021
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Future Build
1 review • 100% positive ratingExtension Builder working in WorthingTrade Member since 2017Future 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 11th Oct, 2017
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Langhams construction southern ltd
1 review • 100% positive ratingExtension Builder working in WorthingTrade Member since 2020General 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 1st Jul, 2021
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MAIN CONSTRUCTION
7 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2019We 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 Kitchen Fitting feedback review:
Completely new kitchen install in Worthing.
I really can't fault Gerry and Main Construction. They did much more than I'd originally intended to contract out because I felt so confident about Gerry very quickly after meeting him, and we were not disappointed. Gerry converted a dining...
By fletch43 on 21st Apr, 2022
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Sivyer Construction
2 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2023Hi my name is Josh. I am an experienced builder with a history of working on various projects. I’m always focused on creating the best builds that fulfil and exceed client expectations. read more
Latest Roofing (Pitched) feedback review:
Roof repair
Our Church members were delighted with the replacement roof that Siivyer Construction fitted to our kitchen. The work was to a high standard, they were hard working, and made good all areas. The site was cleared after completion, Josh and...
By the_pagham_urc on 27th Jun, 2023
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Coastal Extensions Ltd
No reviews yetExtension Builder working in WorthingTrade Member since 2023We design and build all types of home extensions(Bare Shells or Completely finished) from conception to handover, and have been working throughout Sussex for many years, mainly through recommendation.We are based in Lancing, on the Industrial Estate.We have two factory units read more
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Highgrove construction
No reviews yetExtension Builder working in WorthingTrade Member since 2021Hi my names read more
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AJF plastering services
No reviews yetExtension Builder working in WorthingTrade Member since 2021I have 20+ years experience in all aspects of plastering and decorating, and all general building ,I pride myself on quality at affordable prices read more
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1 ONE BUILD LTD
No reviews yetExtension Builder working in WorthingTrade Member since 2018My business takes on small to large building jobs.I cover maintenance jobs from well known local letting agents. I cover new windows/conservatories/loft conversions and refurbishments.I cover all aspects of building work. I have over 20 years experience of ground work and read more
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Buildtech Construction
7 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2017Been trading for 18 months, 16 years experience. Building extensions, conservatories, orangeries, brick walls, re-pointing patios, paths, sheds, fencing, landscaping. read more
Latest Conservatories feedback review:
Conservatory roof (ultralite) replacement.
I really can't find fault at all with Dean and his team. I had a really old ultralite poly carbonate roof on a conservatory that needed replacing. From the initial contact with Dean, he has been easy to communicate with. He texts or...
By amanda50866 on 21st Apr, 2023
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Character
5 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2017At Character Construction we pride ourselves on understanding, meeting and exceeding our customers expectations. We understand the importance of treating your home with care. Our projects are always conducted in a clean & professional manner. We monitor all projects closely read more
Latest Electrical feedback review:
Wiring for a higher wattage shower installation
Prompt, efficient, reliable. A job well done plus very good communication, can definitely recommend.
By robin_223 on 28th Jan, 2018
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W King Brickwork
2 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2017We are a small building company that are specialists in all types of brickwork but we cover all aspects of the building trade and work to a very high standard. read more
Latest Bricklaying feedback review:
BLOCKWORK
Wesley arrived on time, completed the work in a professional manner and cleaned up when finished. Very easy to work with and will definitely use again.
By mikic_49 on 9th Feb, 2017
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GH Builders Footings to Finish
11 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2015I have been in the building trade for about 20 years. I am a qualified bricklayer and can turn my hand to many a trade. I pride myself on my work and I am neat and tidy. The company's I have worked for are Papworth Builders, Kent and Sussex construction, Gumbrell's read more
Latest Bricklaying feedback review:
Support & remove outside wall, steel in & brickwork
I cannot recommend or praise Garry enough. He is extremely hard working and professional . His years of experience shines through and I wouldn't hesitate to hire him again. Any further building work (at any stage I might add) he will be my...
By mel_270 on 12th Apr, 2018
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DSH Construction
2 reviews • 100% positive ratingExtension Builder working in WorthingTrade Member since 2021I am a fully qualified and insured tradesmen. I am organised, reliable, helpful and reliable and I work to high standards. I can be relied on to go that extra mile to ensure a job well done. I undertake any works from carpenter, kitchen fitting, floor laying, 2nd fix, read more
Latest Carpentry feedback review:
Door trimming
Dan & his apprentice did a great job. Excellent communication. I would definitely recommend Dan for works in the future & to anyone who needs a carpenter. Excellent all round experience. Many thanks.
By prestige_plasterworks on 7th Mar, 2022
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
Extension Builders working near Worthing in West Sussex have an average review score of 99% positive based on 1,547 homeowner reviews.
Trusted by experts

Don’t just take our word for it, homeowners love MyBuilder too. We’re proud to be rated by Mumsnet.
Towns near Worthing
- Lancing
- Littlehampton
- Steyning
- Shoreham By Sea
- Arundel
- Henfield
- Pulborough
- Hove
- Brighton
- Bognor Regis
- Hassocks
- Burgess Hill
- Billingshurst
- Petworth
- Horsham
- Chichester
- Peacehaven
- Haywards Heath
- Midhurst
- Newhaven
- Lewes
- Cranleigh
- Crawley
- Seaford
- Haslemere
- Emsworth
- Uckfield
- Liphook
- Gatwick
- Rowland's Castle
Top locations
Other trades in Worthing
- Architectural Designers
- Bathroom Fitters
- Bricklayers
- Carpenters & Joiners
- Carpet & Lino Fitters
- Chimney & Fireplace Specialists
- Conservatory Installers
- Conversion Specialists
- Damp Proofing Specialists
- Decking Specialists
- Demolition Specialists
- Driveway Pavers
- Electricians
- Extension Builders
- Fascias & Soffits Specialists
- Fencers
- Flooring Fitters
- Gardeners
- Gas Engineers
- Groundworkers
- Guttering Installers
- Handymen
- Heating Engineers
- Insulation Installers
- Kitchen Fitters
- Landscape Gardeners
- Locksmiths
- Loft Conversion Specialists
- New Home Builders
- Painters & Decorators
- Plasterers
- Plumbers
- Repointing Specialists
- Restoration & Refurb Specialists
- Roofers
- Security System Installers
- Stonemasons
- Tarmac Driveway Specialists
- Tilers
- Tree Surgeons
- Waste Clearance Specialists
- Window & Door Fitters
- All Builders
- All Tradespeople
Ask an Extension Builder
Our vetted professionals answer your home improvement questions
- Tying in to existing brickwork/ continuous cavity in new + old walls
- Hi, what is the basic prize of an extension per sq m ? what does it include ? how do you know if the tradesman chosen doesn't over charge you? and how to you pay the job before or end of the work .
- Builder not turning up
- Converting an old conservatory into kitchen