Cost to build a flat roof extension in AL3

Build a flat roof extension cost in AL3 - Sort by rates or availability

Flat roof extension cost in AL3

Estimates for build a flat roof extension near AL3

A flat roof extension ranges from the cheapest of £21,896 (Simon Johnson & Sons Builders based in HP2) to the dearest of £22,536 (R. Newman Construction based in AL4), 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 AL3 by posting a job with HaMuch. We'll send it to extension builders in AL3.

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Build A Flat Roof Extension near St Albans	£63	£289
Build A Flat Roof Extension near Harpenden	£87	£317
Build A Flat Roof Extension near Hemel Hempstead	£42	£270
Build A Flat Roof Extension near Dacorum	£42	£269
Build A Flat Roof Extension near Hatfield	£65	£285
Build A Flat Roof Extension near Luton	£42	£279
Build A Flat Roof Extension near Welwyn Garden City	£42	£269
Build A Flat Roof Extension near Berkhamsted	£41	£263
Build A Flat Roof Extension near Bushey	£42	£276
Build A Flat Roof Extension near Watford	£43	£278

Estimates for common extension builder jobs in AL3;

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.