Cost to build a granny annexe in Welwyn

Sort by

Granny Annexe Cost in Welwyn

Building a granny annexe ranges from £86,920 (MA Gower based in AL6) to £87,536 (R. Newman Construction based in AL4), 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 Welwyn by posting a job with HaMuch. We will send it to extension builders in Welwyn who will be happy to help you.

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Granny Annexe near Welwyn Garden City	£42	£269
Granny Annexe near Hertford	£46	£290
Granny Annexe near Hatfield	£42	£266
Granny Annexe near Stevenage	£44	£282
Granny Annexe near Harpenden	£45	£282
Granny Annexe near Hitchin	£43	£283
Granny Annexe near East Hertfordshire	£44	£289
Granny Annexe near Ware	£47	£296
Granny Annexe near St Albans	£43	£272
Granny Annexe near North Hertfordshire	£44	£283

Estimates for common extension builder jobs in Welwyn;

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.