Use sustainable materials and save money on your new extension

Timber frame extensions are becoming more and more popular as people understand their thermal properties, cost-effectiveness and general sustainability. Built quicker than masonry frame extensions, they generally cost less and can support a variety of design elements to help you create your dream extension. But how much will a timber frame extension cost in Calstock? To see prices and availability for your job click green button.

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From £26,128

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Trevillion Property Services Ltd

Stephen Trevillion

Member since October 2026

Minor and major building works

From £26,288

Last active Aug 26
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Brian C Credicott

Brian Credicott

Forty years of experience in our local community 

From £25,824

Last active Mar 26
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A1 CONSTRUCTION & MAINTENCE

Need an Extension Builder in Calstock? A1 CONSTRUCTION & MAINTENCE has been helping local clients (20 mile radius) with their extension buildering...

From £25,664

Last active Mar 26
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MJR Construction SW Ltd

Relax... you have found a reliable extension builder in Calstock. MJR Construction SW Ltd is a friendly and reliable company based in Calstock who ...

From £25,960

Last active Jan 26
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STEVENS BUILDING & MAINT LTD

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

STEVENS BUILDING & MAINT LTD provides a local, trusted e...

From £25,632

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MICHAEL P PHILP

MICHAEL P PHILP is an established and experienced local extension builder in Calstock. Please contact us for a free, no obligation quote and compet...

From £26,152

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360 Construction

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

From £25,784

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TJ FRIEND CONSTRUCTION

TJ FRIEND CONSTRUCTION are here to help customers who need an Extension Builder in Calstock. We offer a competitive rate to complete all your exten...

From £25,944

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CONSTRUCTION MANAGEMENT SERVIC

Trusted and professional extension builder in Calstock. Experienced in all extension buildering work and keeping within budget and on quote. CONSTR...

From £25,848

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A Rated Builders

A Rated Builders is an established and experienced local extension builder in Calstock. Please contact us for a free, no obligation quote and compe...

Timber frame extension cost in Calstock

Estimates for build a timber frame extension near Calstock

A timber frame extension built in Calstock typically ranges from £25,632 (MICHAEL P PHILP based in PL12) to £26,288 (Brian C Credicott based in PL19), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.

Comparing extension builders estimates for building a timber frame extension 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 a timber frame extension in Calstock by posting a job with HaMuch and we'll send it to extension builders in Calstock.


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Estimates for common extension builder jobs in Calstock;

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...