From £41,784
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £41,808
Relax... you have found a reliable extension builder in Halton. Webby is a friendly and reliable company based in Halton who consider no job as too...
From £41,824
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,672
Fixit Cheshire is an established and experienced local extension builder in Halton. Please contact us for a free, no obligation quote and competiti...
From £41,904
Relax... you have found a reliable extension builder in Halton. PENNY LANE BUILDERS LTD is a friendly and reliable company based in Halton who cons...
From £41,992
J.T.Construction is a trusted extension builder serving customers in Halton and the surrounding area. Contact us to today to get a competitive quot...
From £41,872
Experienced extension builder ready to quote for your work. Elevate Finishing is the best extension builder in Halton. No obligation free quotes an...
From £41,776
RP Construction Design is an established extension buildering business in Halton. We come highly recommended and provide competitive quotes for you...
From £41,800
Event planning interior designer new to buisness platform but have project managed a lot of my own home projects and organised events for birthdays...

In Halton, prices for dormer loft conversions range from £41,672 (Fixit Cheshire based in WA5) to £42,064 (Bakers Building Maintenance based in WA8), 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 Halton. 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 Halton | £31 | £220 |
| Build A Dormer Loft Conversion near Widnes | £31 | £220 |
| Build A Dormer Loft Conversion near Runcorn | £33 | £228 |
| Build A Dormer Loft Conversion near Huyton with Roby | £31 | £225 |
| Build A Dormer Loft Conversion near Warrington | £31 | £222 |
| Build A Dormer Loft Conversion near Prescot | £31 | £222 |
| Build A Dormer Loft Conversion near Knowsley | £31 | £221 |
| Build A Dormer Loft Conversion near St Helens | £31 | £224 |
| Build A Dormer Loft Conversion near Newton-le-Willows | £31 | £221 |
| Build A Dormer Loft Conversion near Ellesmere Port | £31 | £214 |
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 - £17,350

Two storey extension - £87,774

Build a timber frame extension - £25,850

Build a swimming pool - £80,850

Single storey extension - £51,992

Side return extension - £39,808

Install an RSJ - £2,050

Outbuilding - £9,850

Build a Mansard loft conversion - £51,850

Loft conversion - £32,340

Build a kitchen extension - £41,850

Hip to gable loft conversion - £41,850

Granny annexe - £86,850

Garden office - £9,850

Convert a Garage - £15,850

Garage - £18,350

Build a flat roof extension - £21,850

Build a dormer loft conversion - £41,850

Concrete foundations - £6,100

Convert a bungalow loft - £28,850

Convert a basement - £35,808