From £86,576
Tekton Construction NW is an established extension buildering business in LA1. We come highly recommended and provide competitive quotes for your w...
From £86,712
Smedley Construction Ltd is a trusted extension builder serving customers in LA1 and the surrounding area. Contact us to today to get a competitive...
From £86,544
Need to find an Extension Builder near you for all your extension buildering work?
Poulton Building & Joinery Services provides a local, tr...
From £86,848
Relax... you have found a reliable extension builder in LA1. Green Generation Builders Ltd is a friendly and reliable company based in LA1 who cons...
From £86,856
S.G. Joinery & Building is a well-established company setup over 15 years ago and working in the Poulton-le-Fylde , Preston ,Garstang and ...
From £86,832
Need an Extension Builder in LA1? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
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 £86,760
Attention to detail. Member of safe trader. Recommendations References available.
From £86,496
COASTAL CONSTRUCTION LTD is an established and experienced local extension builder in LA1. Please contact us for a free, no obligation quote and co...
From £86,712
Trusted and professional extension builder in LA1. Experienced in all extension buildering work and keeping within budget and on quote. CORKHILL CO...

Building a granny annexe ranges from £86,496 (COASTAL CONSTRUCTION LTD based in FY5) 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 LA1 by posting a job with HaMuch. We will send it to extension builders in LA1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Lancaster | £25 | £211 |
| Granny Annexe near Morecambe | £25 | £212 |
| Granny Annexe near Fleetwood | £28 | £206 |
| Granny Annexe near Thornton | £29 | £211 |
| Granny Annexe near Barrow-in-Furness | £25 | £204 |
| Granny Annexe near Fulwood | £31 | £217 |
| Granny Annexe near Blackpool | £29 | £209 |
| Granny Annexe near Kendal | £28 | £236 |
| Granny Annexe near Preston | £30 | £218 |
| Granny Annexe near Penwortham | £30 | £218 |
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 - £17,223

Two storey extension - £87,585

Build a timber frame extension - £25,723

Build a swimming pool - £80,723

Single storey extension - £49,464

Side return extension - £38,386

Install an RSJ - £1,923

Outbuilding - £9,723

Build a Mansard loft conversion - £51,723

Loft conversion - £31,155

Build a kitchen extension - £41,723

Hip to gable loft conversion - £41,723

Granny annexe - £86,723

Garden office - £9,723

Convert a Garage - £15,723

Garage - £18,223

Build a flat roof extension - £21,723

Build a dormer loft conversion - £41,723

Concrete foundations - £5,973

Convert a bungalow loft - £28,723

Convert a basement - £34,386