Build additional living space on your property in Dorchester

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Dorchester? 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 Dorchester extension builders

Compare quotes

Compare quotes

Available extension builders in Dorchester reply

Save Money

Save Money

Select your affordable Dorchester extension builder

Post your job

From £86,472

Last active Nov 26
Get quotes

WEYMOUTH ROOFING CO.

WEYMOUTH ROOFING CO. is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligation quote and...

From £87,192

Get quotes

J FLANN BUILDING & MAINTENANCE

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

J FLANN BUILDING & MAINTENANCE provides a local, trusted...

From £86,896

Get quotes

Steven Clark Building Services

Location

Dorchester, DT1

Steven Clark Building Services is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligation...

From £87,032

Get quotes

Design Properties & Renovations

Design Properties & Renovations is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligatio...

From £87,536

Get quotes

Roofix and Build Ltd

Our building services company Roofix and Build Ltd have twenty years experience of helping customers in Weymouth and the surrounding area by provid...

From £87,008

Get quotes

Harbour Property Improvements Limited

We are a small business priding oueselves on high quality works carried out with care and attention. We use a select few subcontractors to help com...

From £86,496

Get quotes

Dorset Build & Maintenance Company Limited

Richard Gracie

Location

Dorchester, DT2

We are Dorset Build & Maintenance Company Ltd. We are a medium sized local building and maintenance contractor, and our work area is prima...

From £86,696

Get quotes

Stuart's Building and Maintenance

Stuart Lambert

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

From £86,560

Get quotes

Poundbury Build and Maintenance

Joanne Upshall

Location

Dorchester, DT1

We are a locl fun family business with over 20 years experience.  We specialise in all aspects of the building trade, no job too big or too sm...

From £87,536

Get quotes

Chris Larner building services

Chris Larner building services is a trusted extension builder serving customers in Dorchester and the surrounding area. Contact us to today to get ...

Granny Annexe Cost in Dorchester

Estimates for granny annexe near Dorchester

Building a granny annexe ranges from £86,472 (WEYMOUTH ROOFING CO. based in DT4) to £87,536 (Roofix and Build Ltd based in DT4), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Dorchester by posting a job with HaMuch. We will send it to extension builders in Dorchester who will be happy to help you.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Dorchester£30£230
Granny Annexe near Weymouth£33£260
Granny Annexe near Yeovil£34£294
Granny Annexe near Poole£38£250
Granny Annexe near South Somerset£62£270
Granny Annexe near Bournemouth£38£257
Granny Annexe near Taunton£31£242
Granny Annexe near Salisbury£35£247
Granny Annexe near Bridgwater£30£236

Estimates for common extension builder jobs in Dorchester;

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...