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Need an Extension Builder in Winstanley? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Mark Robinson
Trusted and professional extension builder in Winstanley. Experienced in all extension buildering work and keeping within budget and on quote. M L ...
G. Finnigan Builders is an established extension buildering business in Winstanley. We come highly recommended and provide competitive quotes for y...
Trusted and professional extension builder in Winstanley. Experienced in all extension buildering work and keeping within budget and on quote. JCR ...
Stephen Lowe
Winstanley, WN3
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Winstanley. Jc Properties is a friendly and reliable company based in Winstanley who consid...
Fishers Building & Paving Ltd is an established extension buildering business in Winstanley. We come highly recommended and provide competitive quo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
HAROLD ROBINSON
HAROLDS CORP is a trusted extension builder serving customers in Winstanley and the surrounding area. Contact us to today to get a competitive quot...

Building a granny annexe ranges from £86,592 (Mike's Home Improvements based in M46) 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 Winstanley by posting a job with HaMuch. We will send it to extension builders in Winstanley who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Wigan | £30 | £220 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Hindley | £30 | £219 |
| Granny Annexe near Orrell | £29 | £214 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Skelmersdale | £28 | £210 |
| Granny Annexe near Westhoughton | £31 | £222 |
| Granny Annexe near Leigh | £31 | £224 |
| Granny Annexe near Horwich | £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 - £17,250

Two storey extension - £87,624

Build a timber frame extension - £25,750

Build a swimming pool - £80,750

Single storey extension - £49,992

Side return extension - £38,683

Install an RSJ - £1,950

Outbuilding - £9,750

Build a Mansard loft conversion - £51,750

Loft conversion - £31,403

Build a kitchen extension - £41,750

Hip to gable loft conversion - £41,750

Granny annexe - £86,750

Garden office - £9,750

Convert a Garage - £15,750

Garage - £18,250

Build a flat roof extension - £21,750

Build a dormer loft conversion - £41,750

Concrete foundations - £6,000

Convert a bungalow loft - £28,750

Convert a basement - £34,683