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Experienced extension builder ready to quote for your work. C C OLEARY CONSTRUCTION is the best extension builder in Worthing. No obligation free q...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Worthing. Experienced in all extension buildering work and keeping within budget and on quote. Stretc...
M Wesley General Builder & Property Maintenance is a trusted extension builder serving customers in Worthing and the surrounding area. Contact us t...
Need to find an Extension Builder near you for all your extension buildering work?
FIRST FORMAT BUILDING provides a local, trusted extensio...
From £15,992
Member since August 2026
H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...
Relax... you have found a reliable extension builder in Worthing. Haynes & Scott Developments is a friendly and reliable company based in Worthing ...
Trusted and professional extension builder in Worthing. Experienced in all extension buildering work and keeping within budget and on quote. S J Pe...
Relax... you have found a reliable extension builder in Worthing. ONE BUILD is a friendly and reliable company based in Worthing who consider no jo...
ACF Carpentry Ltd is an established and experienced local extension builder in Worthing. Please contact us for a free, no obligation quote and comp...

Garage conversions in Worthing typically range from £15,744 (ONE BUILD based in BN17) to £16,200 (Alan Pacy Builder based in BN12), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in Worthing who will be happy to help.
"Garage conversion" - WEST SUSSEX, job posted 01/02/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Garage near Worthing | £35 | £249 |
| Convert A Garage near Lancing | £36 | £249 |
| Convert A Garage near Shoreham-by-Sea | £36 | £250 |
| Convert A Garage near Rustington | £35 | £242 |
| Convert A Garage near Littlehampton | £35 | £241 |
| Convert A Garage near Arun | £35 | £241 |
| Convert A Garage near Brighton | £35 | £253 |
| Convert A Garage near Brighton and Hove | £35 | £252 |
| Convert A Garage near Bognor Regis | £35 | £247 |
| Convert A Garage near Burgess Hill | £36 | £256 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,452

Two storey extension - £87,928

Build a timber frame extension - £25,952

Build a swimming pool - £80,952

Single storey extension - £54,040

Side return extension - £40,960

Install an RSJ - £2,152

Outbuilding - £9,952

Build a Mansard loft conversion - £51,952

Loft conversion - £33,300

Build a kitchen extension - £41,952

Hip to gable loft conversion - £41,952

Granny annexe - £86,952

Garden office - £9,952

Convert a Garage - £15,952

Garage - £18,452

Build a flat roof extension - £21,952

Build a dormer loft conversion - £41,952

Concrete foundations - £6,202

Convert a bungalow loft - £28,952

Convert a basement - £36,960