From £86,864
Newton-le-Willows, WA12
Need to find an Extension Builder near you for all your extension buildering work?
Maintenance Point provides a local, trusted extension bu...
From £86,224
MJ Barker & Son is an established extension buildering business in Newton-le-willows. We come highly recommended and provide competitive quotes for...
From £86,792
Our building services company Compass Property Renovations (North West) Ltd was established in 2000. Since then we have been helping customers in W...
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 £86,696
Welcome to Space Design & Build a building company based in Warrington.With nearly 40 years combined experience in the industry Space Design & Buil...
From £86,776
RP Construction Design is an established extension buildering business in Newton-le-willows. We come highly recommended and provide competitive quo...
From £86,720
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
From £86,648
Trusted and professional extension builder in Newton-le-willows. Experienced in all extension buildering work and keeping within budget and on quot...
From £86,672
Fixit Cheshire is an established and experienced local extension builder in Newton-le-willows. Please contact us for a free, no obligation quote an...
From £86,824
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,224 (MJ Barker & Son based in WA11) to £86,864 (Maintenance Point based in Wa12), 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 Newton-le-willows by posting a job with HaMuch. We will send it to extension builders in Newton-le-willows who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near St Helens | £31 | £224 |
| Granny Annexe near Warrington | £31 | £222 |
| Granny Annexe near Leigh | £31 | £224 |
| Granny Annexe near Hindley | £30 | £218 |
| Granny Annexe near Wigan | £30 | £219 |
| Granny Annexe near Orrell | £29 | £214 |
| Granny Annexe near Widnes | £31 | £220 |
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 - £17,202

Two storey extension - £87,552

Build a timber frame extension - £25,702

Build a swimming pool - £80,702

Single storey extension - £49,032

Side return extension - £38,143

Install an RSJ - £1,902

Outbuilding - £9,702

Build a Mansard loft conversion - £51,702

Loft conversion - £30,953

Build a kitchen extension - £41,702

Hip to gable loft conversion - £41,702

Granny annexe - £86,702

Garden office - £9,702

Convert a Garage - £15,702

Garage - £18,202

Build a flat roof extension - £21,702

Build a dormer loft conversion - £41,702

Concrete foundations - £5,952

Convert a bungalow loft - £28,702

Convert a basement - £34,143