Add an outbuilding to your property in Rayners Lane from £9,880

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. To see prices and availability for your job click green button.

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From £10,112

Last active Nov 26
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JJSR Construction Ltd

J Wijayamohan

JJSR Construction Ltd is an established and experienced local extension builder in Rayners Lane. Please contact us for a free, no obligation quote ...

From £10,024

Last active Oct 26
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Mario Prajar Building Services

Mario Prajar Building Services is an established and experienced local extension builder in Rayners Lane. Please contact us for a free, no obligati...

From £9,880

Last active Oct 26
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MAX CONSTRUCTION LTD

Need to find an Extension Builder near you for all your extension buildering work?

MAX CONSTRUCTION LTD provides a local, trusted extension...

From £10,096

Last active Oct 26
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RLC Construction

RLC Construction are here to help customers who need an Extension Builder in Rayners Lane. We offer a competitive rate to complete all your extensi...

From £10,000

Last active Oct 26
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Vital Builders

Vital Builders are here to help customers who need an Extension Builder in Rayners Lane. We offer a competitive rate to complete all your extension...

From £10,344

Last active Oct 26
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C T Edwards

Relax... you have found a reliable extension builder in Rayners Lane. C T Edwards is a friendly and reliable company based in Rayners Lane who cons...

From £10,216

Last active Oct 26
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J K GENERAL BUILDING LTD

Need to find an Extension Builder near you for all your extension buildering work?

J K GENERAL BUILDING LTD provides a local, trusted exten...

From £10,368

Last active Oct 26
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Building Service and Support Ltd

Relax... you have found a reliable extension builder in Rayners Lane. Building Service and Support Ltd is a friendly and reliable company based in ...

From £10,000

Last active Oct 26
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ALG Renovations

ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...

From £10,072

Last active Oct 26
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Chrysalis

Chrysalis are here to help customers who need an Extension Builder in Rayners Lane. We offer a competitive rate to complete all your extension buil...

Outbuilding cost in Rayners Lane

Estimates for outbuilding near Rayners Lane

Outbuilding costs in Rayners Lane range from the cheapest of £9,880 (MAX CONSTRUCTION LTD based in HA4) to the dearest of £10,368 (Building Service and Support Ltd based in HA5), 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 Rayners Lane by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - HA4, job posted 03/11/25


Estimates for common extension builder jobs in Rayners Lane;

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...