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Need an Extension Builder in Ilkley? LRS Maintenance & Property Renovators has been helping local clients (20 mile radius) with their extension bui...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
RB Building Services provides a local, trusted extension...
Trusted and professional extension builder in Ilkley. Experienced in all extension buildering work and keeping within budget and on quote. Extend R...
Experienced extension builder ready to quote for your work. DAVE BEDFORD BUILDING is the best extension builder in Ilkley. No obligation free quote...
Trusted and professional extension builder in Ilkley. Experienced in all extension buildering work and keeping within budget and on quote. C Richar...
Experienced extension builder ready to quote for your work. ROMBALDS BUILDERS LTD is the best extension builder in Ilkley. No obligation free quote...
Lawson Garage Doors is a trusted extension builder serving customers in Ilkley and the surrounding area. Contact us to today to get a competitive q...
From £21,856
NH Construction is an established and experienced local extension builder in Ilkley. Please contact us for a free, no obligation quote and competit...
From £21,856
MM Building Services is a trusted extension builder serving customers in Ilkley and the surrounding area. Contact us to today to get a competitive ...

A flat roof extension ranges from the cheapest of £21,736 (Lawson Garage Doors based in BD20) to the dearest of £22,056 (Extend Rite Ltd based in BD2), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Ilkley by posting a job with HaMuch. We'll send it to extension builders in Ilkley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bingley | £30 | £229 |
| Build A Flat Roof Extension near Shipley | £29 | £226 |
| Build A Flat Roof Extension near Keighley | £30 | £226 |
| Build A Flat Roof Extension near Bradford | £29 | £225 |
| Build A Flat Roof Extension near Pudsey | £30 | £227 |
| Build A Flat Roof Extension near Harrogate | £29 | £225 |
| Build A Flat Roof Extension near Chapeltown | £30 | £232 |
| Build A Flat Roof Extension near Leeds | £31 | £236 |
| Build A Flat Roof Extension near Halifax | £32 | £243 |
| Build A Flat Roof Extension near Beeston | £31 | £236 |
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 - £17,413

Two storey extension - £87,869

Build a timber frame extension - £25,913

Build a swimming pool - £80,913

Single storey extension - £53,256

Side return extension - £40,519

Install an RSJ - £2,113

Outbuilding - £9,913

Build a Mansard loft conversion - £51,913

Loft conversion - £32,933

Build a kitchen extension - £41,913

Hip to gable loft conversion - £41,913

Granny annexe - £86,913

Garden office - £9,913

Convert a Garage - £15,913

Garage - £18,413

Build a flat roof extension - £21,913

Build a dormer loft conversion - £41,913

Concrete foundations - £6,163

Convert a bungalow loft - £28,913

Convert a basement - £36,519