Build additional living space on your property in GL7

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 GL7?

Granny annexe cost in GL7 - Sort by rates or availability

From £87,800

Member since October 2026

Get quotes

Boss

Karl Builder

Hi we are a building company that have been working in the swindon area for many years we also work as far as bristol We do loft conversion. ...

From £87,000

Member since October 2026

Get quotes

MID Construct

Constantin Ionut Ciobotaru

MID Construct is an established and experienced local extension builder in GL7. Please contact us for a free, no obligation quote and competitive ...

From £87,152

(last active 05/10/26)
Get quotes

Prestige Build Services LTD

Brian

Prestige Build Services LTD is a trusted extension builder serving customers in GL7 and the surrounding area. Contact us to today to get a competit...

From £86,480

(last active 04/10/26)
Get quotes

RPM Services

Michael Walklett

All of our business is by recommendation. We have never advertised. We have been trading since 2001 and have our regular customers we have done var...

From £87,096

(last active 02/10/26)
Get quotes

MJ solutions

Jaroslaw Garbacz

MJ solutions is an established and experienced local extension builder in GL7. Please contact us for a free, no obligation quote and competitive r...

From £86,720

(last active 01/10/26)
Get quotes

J SUTTON CONSTRUCTION

Relax... you have found a reliable extension builder in GL7. J SUTTON CONSTRUCTION is a friendly and reliable company based in GL7 who consider no ...

From £86,800

(last active 18/09/26)
Get quotes

First Call Direct

Tom Dunn

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £86,960

(last active 16/09/26)
Get quotes

Deadsmooth Plastering & Building Co

Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in GL7 and the surrounding area. Contact us to today to get a ...

From £86,880

(last active 13/09/26)
Get quotes

LA Landscapes

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £87,000

(last active 12/09/26)
Get quotes

L&P Developments Ltd

Lawrence Jones

L&P Developments Ltd is an established and experienced local extension builder in GL7. Please contact us for a free, no obligation quote and compe...

Granny Annexe Cost in GL7

Estimates for granny annexe near GL7

Building a granny annexe ranges from £86,480 (RPM Services based in SN4) to £87,800 (Boss based in SN5), 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 GL7 by posting a job with HaMuch. We will send it to extension builders in GL7 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 Thamesdown£38£239
Granny Annexe near Stratton St Margaret£37£238
Granny Annexe near Swindon£38£238
Granny Annexe near Stroud£33£249
Granny Annexe near Cheltenham£32£250
Granny Annexe near Gloucester£31£236
Granny Annexe near Quedgeley£32£247
Granny Annexe near Witney£32£244
Granny Annexe near Vale of White Horse£36£271
Granny Annexe near Calne£29£225

Estimates for common extension builder jobs in GL7;

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...