From £87,000
SBA Facilities is a family run business founded by Director, Josef who has over 25 years of experience with the corporate, commercial, and domestic...
From £87,032
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,592
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,048
HAROLDS CORP is a trusted extension builder serving customers in Leigh and the surrounding area. Contact us to today to get a competitive quote for...
From £86,456
APS pointing and property maintenance offers a complete building service from small patch pointing to full refurb or extensions. Competitiv...
From £86,800
Need to find an Extension Builder near you for all your extension buildering work?
J R Building Services provides a local, trusted extensio...
From £86,776
Relax... you have found a reliable extension builder in Leigh. David Anderson Builders is a friendly and reliable company based in Leigh who consid...
From £86,720
Direct Building Services is an established and experienced local extension builder in Leigh. Please contact us for a free, no obligation quote and ...
From £86,816
Construction Covered is a trusted extension builder serving customers in Leigh and the surrounding area. Contact us to today to get a competitive q...
From £86,864
Need to find an Extension Builder near you for all your extension buildering work?
Maintenance Point provides a local, trusted extension bu...

Building a granny annexe ranges from £86,456 (Aps pointing and property maintenance based in WN2) to £87,048 (HAROLDS CORP based in WN2), 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 Leigh by posting a job with HaMuch. We will send it to extension builders in Leigh who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Leigh | £31 | £224 |
| Granny Annexe near Atherton | £31 | £223 |
| Granny Annexe near Westhoughton | £31 | £222 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near Hindley | £30 | £218 |
| Granny Annexe near Little Hulton | £30 | £220 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Irlam | £32 | £225 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Wigan | £30 | £219 |
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 - £17,310

Two storey extension - £87,716

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,208

Side return extension - £39,367

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,973

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,367