From £86,824
Relax... you have found a reliable extension builder in PR1. Wilson Design & Build is a friendly and reliable company based in PR1 who consider no ...
From £86,688
Wilson Design & Build is a full service Construction Company dedicated to building and improving residential and commercial structures according to...
From £86,552
Comprehensive Property Services is an established and experienced local extension builder in PR1. Please contact us for a free, no obligation quote...
From £86,832
Need an Extension Builder in PR1? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £86,616
JS Brickwork are here to help customers who need an Extension Builder in PR1. We offer a competitive rate to complete all your extension buildering...
From £86,896
Need to find an Extension Builder near you for all your extension buildering work?
J.L Noblet provides a local, trusted extension builderin...
From £86,656
Ribble Reclamation is a trusted extension builder serving customers in PR1 and the surrounding area. Contact us to today to get a competitive quote...
From £86,704
Experienced extension builder ready to quote for your work. DB Joinery & Building Contractors Ltd is the best extension builder in PR1. No obligat...
From £86,680
Phil Marlow Builders is a trusted extension builder serving customers in PR1 and the surrounding area. Contact us to today to get a competitive quo...
From £86,728
Need to find an Extension Builder near you for all your extension buildering work?
Bond Joinery & Building provides a local, trusted extens...

Building a granny annexe ranges from £86,552 (Comprehensive Property Services based in PR1) to £86,896 (J.L Noblet based in PR2), 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 PR1 by posting a job with HaMuch. We will send it to extension builders in PR1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Preston | £30 | £219 |
| Granny Annexe near Penwortham | £30 | £218 |
| Granny Annexe near Fulwood | £31 | £217 |
| Granny Annexe near Bamber Bridge | £30 | £217 |
| Granny Annexe near Leyland | £31 | £223 |
| Granny Annexe near Chorley | £31 | £222 |
| Granny Annexe near Blackburn | £34 | £247 |
| Granny Annexe near Darwen | £34 | £253 |
| Granny Annexe near Lytham St Annes | £28 | £206 |
| 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 - £17,218

Two storey extension - £87,576

Build a timber frame extension - £25,718

Build a swimming pool - £80,718

Single storey extension - £49,352

Side return extension - £38,323

Install an RSJ - £1,918

Outbuilding - £9,718

Build a Mansard loft conversion - £51,718

Loft conversion - £31,103

Build a kitchen extension - £41,718

Hip to gable loft conversion - £41,718

Granny annexe - £86,718

Garden office - £9,718

Convert a Garage - £15,718

Garage - £18,218

Build a flat roof extension - £21,718

Build a dormer loft conversion - £41,718

Concrete foundations - £5,968

Convert a bungalow loft - £28,718

Convert a basement - £34,323