Build additional living space on your property in G20

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 G20? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in G20 - Sort by rates or availability

From £86,952

(last active 10/10/26)
Get quotes

DS Builders

Relax... you have found a reliable extension builder in G20. DS Builders is a friendly and reliable company based in G20 who consider no job as too...

From £87,080

(last active 14/09/26)
Get quotes

Adelphi Design & Construction Ltd

Adelphi Design & Construction Ltd is an established and experienced local extension builder in G20. Please contact us for a free, no obligation quo...

From £87,296

(last active 14/09/26)
Get quotes

Gman-Joinery & Builders

Need an Extension Builder in G20? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ...

From £87,128

(last active 25/03/26)
Get quotes

LAKE BUILDERS LTD

LAKE BUILDERS LTD is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.<...

From £87,024

Get quotes

Whyte homes

Whyte homes are here to help customers who need an Extension Builder in G20. We offer a competitive rate to complete all your extension buildering ...

From £87,192

Get quotes

KB Contractors

If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...

From £86,968

Get quotes

CMK Home Extensions Ltd

CMK Home Extensions Ltd is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your ...

From £86,984

Get quotes

nest

nest is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.

From £87,280

Get quotes

Arkiton

Relax... you have found a reliable extension builder in G20. Arkiton is a friendly and reliable company based in G20 who consider no job as too big...

From £86,952

Get quotes

Arkiton Design & Build

Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...

Granny Annexe Cost in G20

Estimates for granny annexe near G20

Building a granny annexe ranges from £86,952 (DS Builders based in G64) to £87,296 (Gman-Joinery & Builders based in G13), 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 G20 by posting a job with HaMuch. We will send it to extension builders in G20 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 Glasgow£35£259
Granny Annexe near Bearsden£34£263
Granny Annexe near Bishopbriggs£35£262
Granny Annexe near Renfrew£35£264
Granny Annexe near Clydebank£35£265
Granny Annexe near Rutherglen£34£255
Granny Annexe near Giffnock£35£260
Granny Annexe near Paisley£34£259
Granny Annexe near Kirkintilloch£35£258
Granny Annexe near Cambuslang£34£250

Estimates for common extension builder jobs in G20;

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...