Add an outbuilding to your property in SS4 from £9,456

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life.

Outbuilding cost in SS4 - Sort by rates or availability

From £9,944

(last active 07/10/26)
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Top Form Construction

Top Form Construction are here to help customers who need an Extension Builder in SS4. We offer a competitive rate to complete all your extension b...

From £10,424

(last active 07/10/26)
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Des Durant General Building

Please call to discuss your building needs.

From £10,008

(last active 06/10/26)
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Thoroughbuild UK Services Ltd

Frederick Head

Over 35 years experience 

We are Gas Safe registered 

We are Verified

We pride ourselves on great custom...

From £9,880

(last active 02/10/26)
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CIA Construction Limited

Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in SS4. No obligation free quote...

From £10,360

(last active 02/10/26)
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Ellis & James Builders Limited

Darren Spencer

Need an Extension Builder in SS4? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering jo...

From £10,240

(last active 25/09/26)
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M&J Brickwork Ltd

M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...

From £10,176

(last active 19/09/26)
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Witton & Pearce Builders in Essex

Witton & Pearce Builders in Essex is a trusted extension builder serving customers in SS4 and the surrounding area. Contact us to today to get a co...

From £9,456

(last active 19/09/26)
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Capital Roofing Ltd

Billy Baverstock

Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in SS4. No obligation free quotes and...

From £10,272

(last active 19/09/26)
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P OUGHTON BUILDING

P OUGHTON BUILDING is an established and experienced local extension builder in SS4. Please contact us for a free, no obligation quote and competit...

From £10,160

(last active 19/09/26)
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Property Maintenance

Property Maintenance are here to help customers who need an Extension Builder in SS4. We offer a competitive rate to complete all your extension bu...

Outbuilding cost in SS4

Estimates for outbuilding near SS4

Outbuilding costs in SS4 range from the cheapest of £9,456 (Capital Roofing Ltd based in SS13) to the dearest of £10,424 (Des Durant General Building based in ME5), 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 SS4 by posting a job with HaMuch and we will send it to extension builders.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Outbuilding near Southend-on-Sea£37£247
Outbuilding near Rayleigh£39£252
Outbuilding near Thundersley£38£251
Outbuilding near Canvey Island£39£256
Outbuilding near Wickford£39£255
Outbuilding near Basildon£39£251
Outbuilding near Maldon£36£244
Outbuilding near Billericay£38£248
Outbuilding near Stanford-le-Hope£40£254
Outbuilding near Chelmsford£38£258

Estimates for common extension builder jobs in SS4;

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.

More extensions & conversions cost guides...