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Trusted and professional extension builder in Northwich. Experienced in all extension buildering work and keeping within budget and on quote. A.A.R...
Michael McWilliams
Need an Extension Builder in Northwich? Sage Vision Limited has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £87,688
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,676
Carl Tommons
Northwich, CW8
Building from the Ground up through to fit out, new build, refurb, extension.
From £88,012
Northwich, CW9
Relax... you have found a reliable extension builder in Northwich. MARBURY CONSTRUCTION LIMITED is a friendly and reliable company based in Northwi...
From £87,688
Cheshire Concrete Designs are here to help customers who need an Extension Builder in Northwich. We offer a competitive rate to complete all your ...
From £87,892
Trusted and professional extension builder in Northwich. Experienced in all extension buildering work and keeping within budget and on quote. MAS C...
From £88,084
Adedoyin Aremu Otebolaku
Northwich, CW8
I'm a builder doing all kinds of jobs from driveways to extensions.
From £87,928
Chris Keyes
I have been in the construction industry for over 12 years . And done many projects. Hard working . And always keep to time .
From £87,976
Experienced extension builder ready to quote for your work. Elliott Construction Service’s is the best extension builder in Northwich. No obligat...

Costs range from £87,676 (SLE Services based in CW8) to £88,084 (Adedoyin Otebolaku based in CW8), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Winsford | £31 | £232 |
| Two Storey Extension near Runcorn | £33 | £228 |
| Two Storey Extension near Warrington | £31 | £222 |
| Two Storey Extension near Altrincham | £33 | £240 |
| Two Storey Extension near Crewe | £29 | £224 |
| Two Storey Extension near Halton | £31 | £220 |
| Two Storey Extension near Wilmslow | £31 | £230 |
| Two Storey Extension near Crewe & Nantwich | £28 | £220 |
| Two Storey Extension near Widnes | £31 | £220 |
| Two Storey Extension near Trafford | £33 | £243 |
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 - £17,395

Two storey extension - £87,843

Build a timber frame extension - £25,895

Build a swimming pool - £80,895

Single storey extension - £52,904

Side return extension - £40,321

Install an RSJ - £2,095

Outbuilding - £9,895

Build a Mansard loft conversion - £51,895

Loft conversion - £32,768

Build a kitchen extension - £41,895

Hip to gable loft conversion - £41,895

Granny annexe - £86,895

Garden office - £9,895

Convert a Garage - £15,895

Garage - £18,395

Build a flat roof extension - £21,895

Build a dormer loft conversion - £41,895

Concrete foundations - £6,145

Convert a bungalow loft - £28,895

Convert a basement - £36,321