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Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in St Helens. No obligation free ...
G. Finnigan Builders is an established extension buildering business in St Helens. We come highly recommended and provide competitive quotes for yo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in St Helens. Jc Properties is a friendly and reliable company based in St Helens who consider...
J.T.Construction is a trusted extension builder serving customers in St Helens and the surrounding area. Contact us to today to get a competitive q...
Fixit Cheshire is an established and experienced local extension builder in St Helens. Please contact us for a free, no obligation quote and compet...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in St Helens? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many...
Mark Robinson
Trusted and professional extension builder in St Helens. Experienced in all extension buildering work and keeping within budget and on quote. M L R...

"Single storey extension, 18m2. Bi-fold doors (approx. 5m across) and 2/3no. velux windows." - ST HELENS, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near St Helens | £31 | £224 |
| Single Storey Extension near Prescot | £31 | £223 |
| Single Storey Extension near Knowsley | £31 | £222 |
| Single Storey Extension near Newton-le-Willows | £31 | £221 |
| Single Storey Extension near Huyton with Roby | £31 | £225 |
| Single Storey Extension near Ashton-in-Makerfield | £30 | £220 |
| Single Storey Extension near Widnes | £31 | £220 |
| Single Storey Extension near Golborne | £30 | £222 |
| Single Storey Extension near Orrell | £29 | £214 |
| Single Storey Extension near Kirkby | £31 | £224 |
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 - £17,277

Two storey extension - £87,665

Build a timber frame extension - £25,777

Build a swimming pool - £80,777

Single storey extension - £50,536

Side return extension - £38,989

Install an RSJ - £1,977

Outbuilding - £9,777

Build a Mansard loft conversion - £51,777

Loft conversion - £31,658

Build a kitchen extension - £41,777

Hip to gable loft conversion - £41,777

Granny annexe - £86,777

Garden office - £9,777

Convert a Garage - £15,777

Garage - £18,277

Build a flat roof extension - £21,777

Build a dormer loft conversion - £41,777

Concrete foundations - £6,027

Convert a bungalow loft - £28,777

Convert a basement - £34,989