Install a garden office in SW18 from £10,048

A garden office is a great option if you want a place to work from home that you can shut the door on at the end of the day. Create a peaceful space adorned with plants and plenty of natural light, or design a sleek modern look to increase productivity. But how much do they cost in SW18? Comparing estimates gives you an idea which extension builder is better value, if you want to see actual prices for your job or availability then click Get quotes.

Garden office cost in SW18 - Sort by rates or availability

From £10,176

(rates verified 05/10/26)
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Self employed

Hamza Elezi

Hight quality of jobs

From £10,048

(rates verified 18/09/26)
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J&J Building Solutions

Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in SW18. No obligation free quotes...

From £10,192

(last active 08/10/26)

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £10,400

(last active 08/10/26)
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Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in SW18. We offer a competitive rate to complete all your exte...

From £10,184

(last active 08/10/26)
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CC&D BUILDING LTD

Catalin CIOBANU

Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in SW18. No obligation free quotes and ...

From £10,248

(last active 08/10/26)
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Bspec Ltd

Mick Singh

At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.

From £10,096

(last active 08/10/26)
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Mr

Jonathan Rimmer

Experienced extension builder ready to quote for your work. Mr is the best extension builder in SW18. No obligation free quotes and many happy cust...

From £10,392

(last active 08/10/26)
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Samuele Paolini

Samuele Paolini

Need an Extension Builder in SW18? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...

From £10,616

(last active 08/10/26)
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HOUSE BUILDING SERVICES LIMITED

Tommy House

HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in SW18 and the surrounding area. Contact us to today to get a com...

From £10,432

(last active 08/10/26)
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Krystian Wojasiewicz

Krystian Wojasiewicz

Krystian Wojasiewicz is a trusted extension builder serving customers in SW18 and the surrounding area. Contact us to today to get a competitive qu...

Garden Office Cost in SW18

Estimates for garden office near SW18

Garden offices range from the cheapest of £10,048 (J&J Building Solutions based in SW16) to the dearest of £10,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), but these are only estimates.

The best way to compare costs is to get actual quotes.

Get rates and quotes to build a garden office in SW18 by posting a job with HaMuch. We'll send it to extension builders in SW18.


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Estimates for common extension builder jobs in SW18;

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...