Cost to build an outbuilding in SG3

Outbuilding cost in SG3 - Sort by rates or availability

Outbuilding cost in SG3

Outbuilding costs in SG3 range from the cheapest of £9,456 (Rite Builders based in LU1) to the dearest of £11,584 (Propello based in E17), 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 SG3 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 Welwyn Garden City	£42	£268
Outbuilding near Hertford	£46	£289
Outbuilding near Hitchin	£43	£283
Outbuilding near East Hertfordshire	£44	£289
Outbuilding near North Hertfordshire	£44	£283
Outbuilding near Hatfield	£64	£283
Outbuilding near Ware	£47	£296
Outbuilding near Harpenden	£86	£315
Outbuilding near Letchworth	£44	£283

Estimates for common extension builder jobs in SG3;

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.