Add an outbuilding to your property in Calstock from £9,632

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.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Calstock extension builders

Compare quotes

Compare quotes

Available extension builders in Calstock reply

Save Money

Save Money

Select your affordable Calstock extension builder

Post your job

From £10,128

Get quotes

Trevillion Property Services Ltd

Stephen Trevillion

Member since October 2026

Minor and major building works

From £10,288

Last active Aug 26
Get quotes

Brian C Credicott

Brian Credicott

Forty years of experience in our local community 

From £9,824

Last active Mar 26
Get quotes

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 £9,664

Last active Mar 26
Get quotes

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 £9,960

Last active Jan 26
Get quotes

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 £9,632

Get quotes

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 £10,152

Get quotes

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 £9,784

Get quotes

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 £9,944

Get quotes

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 £9,848

Get quotes

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...

Outbuilding cost in Calstock

Estimates for outbuilding near Calstock

Outbuilding costs in Calstock range from the cheapest of £9,632 (MICHAEL P PHILP based in PL12) to the dearest of £10,288 (Brian C Credicott based in PL19), 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 Calstock by posting a job with HaMuch and we will send it to extension builders.


Get extension builder rates instantly

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