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Select your affordable WA5 extension builder
J.T.Construction is a trusted extension builder serving customers in WA5 and the surrounding area. Contact us to today to get a competitive quote f...
Fixit Cheshire is an established and experienced local extension builder in WA5. Please contact us for a free, no obligation quote and competitive ...
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...
Get an Extension Builder in WA5 who you can trust. National Plumbing and Heating provide friendly and reliable extension buildering services to the...
From £86,648
Trusted and professional extension builder in WA5. Experienced in all extension buildering work and keeping within budget and on quote. HPH Improvm...
From £86,696
Welcome to Space Design & Build a building company based in Warrington.With nearly 40 years combined experience in the industry Space Design & Buil...
From £86,784
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £86,664
Trusted and professional extension builder in WA5. Experienced in all extension buildering work and keeping within budget and on quote. I Wright Bu...
From £86,776
RP Construction Design is an established extension buildering business in WA5. We come highly recommended and provide competitive quotes for your w...

Building a granny annexe ranges from £86,648 (HPH Improvment&Building based in WA2) to £86,992 (J.T.Construction based in WA5), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in WA5 by posting a job with HaMuch. We will send it to extension builders in WA5 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Warrington | £31 | £222 |
| Granny Annexe near Newton-le-Willows | £31 | £221 |
| Granny Annexe near Widnes | £31 | £220 |
| Granny Annexe near Halton | £31 | £220 |
| Granny Annexe near Runcorn | £33 | £228 |
| Granny Annexe near Golborne | £30 | £222 |
| Granny Annexe near St Helens | £31 | £224 |
| Granny Annexe near Ashton-in-Makerfield | £30 | £220 |
| Granny Annexe near Prescot | £31 | £223 |
| Granny Annexe near Huyton with Roby | £31 | £225 |
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 - £17,273

Two storey extension - £87,659

Build a timber frame extension - £25,773

Build a swimming pool - £80,773

Single storey extension - £50,456

Side return extension - £38,944

Install an RSJ - £1,973

Outbuilding - £9,773

Build a Mansard loft conversion - £51,773

Loft conversion - £31,620

Build a kitchen extension - £41,773

Hip to gable loft conversion - £41,773

Granny annexe - £86,773

Garden office - £9,773

Convert a Garage - £15,773

Garage - £18,273

Build a flat roof extension - £21,773

Build a dormer loft conversion - £41,773

Concrete foundations - £6,023

Convert a bungalow loft - £28,773

Convert a basement - £34,944