Cost to Build a Single Storey Extension in Wales

Build a single storey extension in Wales from £43,800

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Extension builder estimates (based on hourly rates) to build a single storey extension in Wales
Single storey extension cost in Wales
Estimates for common extension builder jobs in Wales;

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

Range from the cheapest single storey extension £43,800 (DRAGON CONSTRUCTION T/A based in SY25) to the dearest single storey extension £45,400 (SP Coupland Ltd based in SY25).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in Wales by posting a job with HaMuch and we will send it to extension builders in Wales.

Estimates for single storey extension near Wales

Estimates for common extension builder jobs in Wales;

Rates for other Wales trades

Single storey extension cost in Wales

Estimate Single storey extension cost in Wales based on hourly/daily rate (excluding VAT or callout charges)
Business name	Single storey extension cost
DRAGON CONSTRUCTION T/A, Tregaron, SY25	£43,800
SP Coupland Ltd, Sir Ceredigion, SY25	£45,400
Cherry Build Limited, Llandrindod Wells, LD1	£44,280

	Job	Estimate
	Underpinning a house	£16,975
	Build a two storey extension	£87,212
	Build a timber frame extension	£25,475
	Install a swimming pool	£80,475
	Cost to build a single storey extension	£44,493
	Cost to build a side return extension	£35,590
	Install an RSJ	£1,675
	Build an outbuilding	£9,475
	Build a mansard loft conversion	£51,475
	Cost of a loft conversion	£28,825
	Build a kitchen extension	£41,475
	Build a hip to gable loft conversion	£41,475
	Build a granny annexe	£86,475
	Build a garden office	£9,475
	Convert a garage	£15,475
	Build a new garage	£17,975
	Build a flat roof extension	£21,475
	Build a dormer loft conversion	£41,475
	Lay a concrete foundation	£5,725
	Convert a bungalow loft	£28,475
	Basement conversion cost	£31,590