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John
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...
Lee Gavins
Attention to detail. Member of safe trader. Recommendations References available.
Lancaster, LA1
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Lancaster, LA1
Lancaster Building Contractors is an established and experienced local extension builder in Lancaster. Please contact us for a free, no obligation ...
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 ...
Robert John
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...
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 £41,720
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

In Lancaster, prices for dormer loft conversions range from £41,560 (Building Supplies Direct t/a based in LA2) to £42,848 (Edenhall brickwork Ltd based in PR3), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Lancaster. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Lancaster | £25 | £211 |
| Build A Dormer Loft Conversion near Morecambe | £25 | £212 |
| Build A Dormer Loft Conversion near Fleetwood | £28 | £206 |
| Build A Dormer Loft Conversion near Thornton | £29 | £211 |
| Build A Dormer Loft Conversion near Barrow-in-Furness | £25 | £204 |
| Build A Dormer Loft Conversion near Fulwood | £31 | £217 |
| Build A Dormer Loft Conversion near Blackpool | £29 | £209 |
| Build A Dormer Loft Conversion near Kendal | £28 | £236 |
| Build A Dormer Loft Conversion near Preston | £30 | £218 |
| Build A Dormer Loft Conversion 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 - £17,380

Two storey extension - £87,820

Build a timber frame extension - £25,880

Build a swimming pool - £80,880

Single storey extension - £52,600

Side return extension - £40,150

Install an RSJ - £2,080

Outbuilding - £9,880

Build a Mansard loft conversion - £51,880

Loft conversion - £32,625

Build a kitchen extension - £41,880

Hip to gable loft conversion - £41,880

Granny annexe - £86,880

Garden office - £9,880

Convert a Garage - £15,880

Garage - £18,380

Build a flat roof extension - £21,880

Build a dormer loft conversion - £41,880

Concrete foundations - £6,130

Convert a bungalow loft - £28,880

Convert a basement - £36,150