From £86,896
Lancaster, LA1
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,600
Lancaster, LA1
Lancaster Building Contractors is an established and experienced local extension builder in Lancaster. Please contact us for a free, no obligation ...
From £86,736
Lancaster, LA1
J.DRING BUILDING are here to help customers who need an Extension Builder in Lancaster. We offer a competitive rate to complete all your extension ...
From £86,760
Attention to detail. Member of safe trader. Recommendations References available.
From £86,720
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,920
We are a family business for 37 years experience between us reliable Team value for money check out our reviews on Google Rated People bar...
From £86,560
Building Supplies Direct t/a is an established and experienced local extension builder in Lancaster. Please contact us for a free, no obligation qu...
From £87,848
We are specialists in all brick blockwork and stonework whatever your job be it a complete new build with all trades in house or a garden wall we c...
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 £86,784
Relax... you have found a reliable extension builder in Lancaster. Rps property services Ltd is a friendly and reliable company based in Lancaster ...

Building a granny annexe ranges from £86,560 (Building Supplies Direct t/a based in LA2) to £87,848 (Edenhall brickwork Ltd based in PR3), 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 Lancaster by posting a job with HaMuch. We will send it to extension builders in Lancaster 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 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 | £219 |
| Granny Annexe near Penwortham | £30 | £218 |
| Granny Annexe near Lytham St Annes | £28 | £206 |
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 - £17,368

Two storey extension - £87,802

Build a timber frame extension - £25,868

Build a swimming pool - £80,868

Single storey extension - £52,360

Side return extension - £40,015

Install an RSJ - £2,068

Outbuilding - £9,868

Build a Mansard loft conversion - £51,868

Loft conversion - £32,513

Build a kitchen extension - £41,868

Hip to gable loft conversion - £41,868

Granny annexe - £86,868

Garden office - £9,868

Convert a Garage - £15,868

Garage - £18,368

Build a flat roof extension - £21,868

Build a dormer loft conversion - £41,868

Concrete foundations - £6,118

Convert a bungalow loft - £28,868

Convert a basement - £36,015