Cost to build an outbuilding in SG1

Outbuilding cost in SG1 - Sort by rates or availability

Outbuilding cost in SG1

Outbuilding costs in SG1 range from the cheapest of £10,016 (G B BUILDSTORE LTD based in SG1) to the dearest of £10,504 (WALKERN CONSTRUCTION LIMITED based in SG2), but these are just estimates.

Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.

Get rates and quotes to build an outbuilding in SG1 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - SG2, job posted 06/01/26

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Location in UK	Hourly Rate	Daily Rate
Outbuilding near Stevenage	£44	£282
Outbuilding near Hitchin	£43	£283
Outbuilding near North Hertfordshire	£44	£283
Outbuilding near Letchworth	£44	£283
Outbuilding near East Hertfordshire	£44	£289
Outbuilding near Welwyn Garden City	£42	£269
Outbuilding near Hertford	£46	£290
Outbuilding near Harpenden	£87	£317
Outbuilding near Luton	£42	£279
Outbuilding near Ware	£47	£296

Estimates for common extension builder jobs in SG1;

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.