From £86,720
Need to find an Extension Builder near you for all your extension buildering work?
Glencairn Builders & Joiners provides a local, trusted e...
From £87,128
Swiftbuild are here to help customers who need an Extension Builder in ML1. We offer a competitive rate to complete all your extension buildering j...
From £86,792
Need an Extension Builder in ML1? KUDOS CONSTRUCTION SERVICES LIMITED has been helping local clients (20 mile radius) with their extension builderi...
From £86,728
Need to find an Extension Builder near you for all your extension buildering work?
APSIS SOLTIONS CONSTRUCTION provides a local, trusted ex...
From £86,664
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,736
Steven Heron Joiners & General Builders is an established extension buildering business in ML1. We come highly recommended and provide competitive ...
From £86,752
Relax... you have found a reliable extension builder in ML1. Dingwall Joiners & Builders is a friendly and reliable company based in ML1 who consid...
From £87,008
Experienced extension builder ready to quote for your work. Gerry Doyle Building is the best extension builder in ML1. No obligation free quotes an...
From £86,912
Ground Marking Company LTD is the best choice for all your line marking needs. We have over 30 years of experience in the industry and are known as...
From £87,152
Need an Extension Builder in ML1? PRIME BUILD SOLUTIONS LTD has been helping local clients (20 mile radius) with their extension buildering jobs fo...

Building a granny annexe ranges from £86,664 (R F BUILDING SOLUTIONS T/A based in ML5) to £87,152 (PRIME BUILD SOLUTIONS LTD based in ML6), 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 ML1 by posting a job with HaMuch. We will send it to extension builders in ML1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Motherwell | £31 | £227 |
| Granny Annexe near Bellshill | £32 | £235 |
| Granny Annexe near Wishaw | £30 | £231 |
| Granny Annexe near Viewpark | £31 | £233 |
| Granny Annexe near North Lanarkshire | £31 | £238 |
| Granny Annexe near Coatbridge | £32 | £245 |
| Granny Annexe near Airdrie | £31 | £238 |
| Granny Annexe near Larkhall | £31 | £237 |
| Granny Annexe near Blantyre | £33 | £240 |
| Granny Annexe near Cambuslang | £34 | £250 |
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.

Underpin a building - £17,359

Two storey extension - £87,789

Build a timber frame extension - £25,859

Build a swimming pool - £80,859

Single storey extension - £52,184

Side return extension - £39,916

Install an RSJ - £2,059

Outbuilding - £9,859

Build a Mansard loft conversion - £51,859

Loft conversion - £32,430

Build a kitchen extension - £41,859

Hip to gable loft conversion - £41,859

Granny annexe - £86,859

Garden office - £9,859

Convert a Garage - £15,859

Garage - £18,359

Build a flat roof extension - £21,859

Build a dormer loft conversion - £41,859

Concrete foundations - £6,109

Convert a bungalow loft - £28,859

Convert a basement - £35,916