Convert your basement in Calstock from £33,360

Range from the cheapest Convert a basement £33,360 (MICHAEL P PHILP based in PL12) to the dearest Convert a basement £40,740 (Brian C Credicott based in PL19). To see prices and availability for your job click green button.

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From £38,940

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Trevillion Property Services Ltd

Stephen Trevillion

Member since October 2026

Minor and major building works

From £40,740

Last active Aug 26
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Brian C Credicott

Brian Credicott

Forty years of experience in our local community 

From £35,520

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 £33,720

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 £37,050

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 £33,360

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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 £39,210

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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 £35,070

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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 £36,870

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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 £35,790

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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...

Cheapest builders to convert your basement in Calstock

Estimates for convert a basement near Calstock

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes for the cost to convert a basement in Calstock by posting a job with HaMuch and we will send it to  extension builders in Calstock.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Convert A Basement near Plymouth£30£230
Convert A Basement near Teignbridge£27£260
Convert A Basement near Newton Abbot£27£236
Convert A Basement near St Austell£38£245
Convert A Basement near Paignton£27£222
Convert A Basement near Torbay£27£223

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...