Cost to Build a Single Storey Extension in Knebworth

Extension builder estimates (based on hourly rates) to build a single storey extension in Knebworth

Estimates for single storey extension near Knebworth

"Single storey extension" - STEVENAGE, job posted 11/08/25

Get extension builder rates instantly

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

Estimates for common extension builder jobs in Knebworth;

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.