Cost to Build a Single Storey Extension in IM1

Build a single storey extension in IM1 from £47,000

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Extension builder estimates (based on hourly rates) to build a single storey extension in IM1
Single storey extension cost in IM1
Estimates for common extension builder jobs in IM1;

Extension builder estimates (based on hourly rates) to build a single storey extension in IM1

Range from the cheapest single storey extension £47,000 (GENERAL BUILDING SERVICES based in KT1) to the dearest single storey extension £63,000 (A Dawson Building Surveys Ltd based in IM4).
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 IM1 by posting a job with HaMuch and we will send it to extension builders in IM1.

"Single storey extension"

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Estimates for common extension builder jobs in IM1;

Rates for other IM1 trades

Single storey extension cost in IM1

Estimate Single storey extension cost in IM1 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Single storey extension cost
GENERAL BUILDING SERVICES, Kingston upon Thames, KT1	£47,000
A Dawson Building Surveys Ltd, Higher Foxdale , IM4	£63,000

	Job	Estimate
	Underpinning a house	£17,500
	Build a two storey extension	£88,000
	Build a timber frame extension	£26,000
	Install a swimming pool	£81,000
	Cost to build a single storey extension	£55,000
	Cost to build a side return extension	£41,500
	Install an RSJ	£2,200
	Build an outbuilding	£10,000
	Build a mansard loft conversion	£52,000
	Cost of a loft conversion	£33,750
	Build a kitchen extension	£42,000
	Build a hip to gable loft conversion	£42,000
	Build a granny annexe	£87,000
	Build a garden office	£10,000
	Convert a garage	£16,000
	Build a new garage	£18,500
	Build a flat roof extension	£22,000
	Build a dormer loft conversion	£42,000
	Lay a concrete foundation	£6,250
	Convert a bungalow loft	£29,000
	Basement conversion cost	£37,500