From £9,784
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £9,808
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 £9,608
Relax... you have found a reliable extension builder in Halton. R A C Gas is a friendly and reliable company based in Halton who consider no job as...
From £9,880
Need to find an Extension Builder near you for all your extension buildering work?
Leabra Construction North West Ltd provides a local, tru...
From £9,824
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,672
Fixit Cheshire is an established and experienced local extension builder in Halton. Please contact us for a free, no obligation quote and competiti...
From £9,904
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 £9,992
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 £9,872
Experienced extension builder ready to quote for your work. Elevate Finishing is the best extension builder in Halton. No obligation free quotes an...

Outbuilding costs in Halton range from the cheapest of £9,608 (R A C Gas based in WA7) to the dearest of £10,064 (Bakers Building Maintenance based in WA8), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Halton by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Halton | £31 | £220 |
| Outbuilding near Widnes | £31 | £220 |
| Outbuilding near Runcorn | £33 | £228 |
| Outbuilding near Huyton with Roby | £31 | £225 |
| Outbuilding near Warrington | £31 | £222 |
| Outbuilding near Prescot | £31 | £222 |
| Outbuilding near Knowsley | £31 | £221 |
| Outbuilding near St Helens | £31 | £224 |
| Outbuilding near Newton-le-Willows | £31 | £221 |
| Outbuilding 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 - £17,341

Two storey extension - £87,761

Build a timber frame extension - £25,841

Build a swimming pool - £80,841

Single storey extension - £51,816

Side return extension - £39,709

Install an RSJ - £2,041

Outbuilding - £9,841

Build a Mansard loft conversion - £51,841

Loft conversion - £32,258

Build a kitchen extension - £41,841

Hip to gable loft conversion - £41,841

Granny annexe - £86,841

Garden office - £9,841

Convert a Garage - £15,841

Garage - £18,341

Build a flat roof extension - £21,841

Build a dormer loft conversion - £41,841

Concrete foundations - £6,091

Convert a bungalow loft - £28,841

Convert a basement - £35,709