From £9,880
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in Westcliff-on-sea. No obligati...
From £10,064
Hyde Building Ltd are here to help customers who need an Extension Builder in Westcliff-on-sea. We offer a competitive rate to complete all your ex...
From £10,360
Need an Extension Builder in Westcliff-on-sea? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension ...
From £10,008
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
From £10,240
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £10,176
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Westcliff-on-sea and the surrounding area. Contact us to toda...
From £9,456
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Westcliff-on-sea. No obligation fr...
From £10,272
P OUGHTON BUILDING is an established and experienced local extension builder in Westcliff-on-sea. Please contact us for a free, no obligation quote...
From £10,160
Property Maintenance are here to help customers who need an Extension Builder in Westcliff-on-sea. We offer a competitive rate to complete all your...
From £9,056
35 years in the trade can Lay bricks plaster roofing wall and floor tiling

Outbuilding costs in Westcliff-on-sea range from the cheapest of £9,056 (S MEGSON CONSTRUCTION based in CT5) to the dearest of £10,360 (Ellis & James Builders Limited based in SS17), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Westcliff-on-sea by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Southend-on-Sea | £37 | £247 |
| Outbuilding near Thundersley | £38 | £251 |
| Outbuilding near Rayleigh | £39 | £252 |
| Outbuilding near Canvey Island | £39 | £256 |
| Outbuilding near Wickford | £39 | £255 |
| Outbuilding near Basildon | £39 | £251 |
| Outbuilding near Stanford-le-Hope | £40 | £254 |
| Outbuilding near Billericay | £38 | £248 |
| Outbuilding near Gillingham | £39 | £253 |
| Outbuilding near Chatham | £39 | £254 |
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 - £17,467

Two storey extension - £87,951

Build a timber frame extension - £25,967

Build a swimming pool - £80,967

Single storey extension - £54,344

Side return extension - £41,131

Install an RSJ - £2,167

Outbuilding - £9,967

Build a Mansard loft conversion - £51,967

Loft conversion - £33,443

Build a kitchen extension - £41,967

Hip to gable loft conversion - £41,967

Granny annexe - £86,967

Garden office - £9,967

Convert a Garage - £15,967

Garage - £18,467

Build a flat roof extension - £21,967

Build a dormer loft conversion - £41,967

Concrete foundations - £6,217

Convert a bungalow loft - £28,967

Convert a basement - £37,131