Cost to Build a Single Storey Extension in Grays

Build a single storey extension in Grays from £52,280

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Single storey extension cost in Grays

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

Estimates for single storey extension near Grays

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Borough in London
Single Storey Extension in Grays
Single Storey Extension in Chafford Hundred
Single Storey Extension in West Thurrock
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Single Storey Extension in Swanscombe
Single Storey Extension in South Ockendon
Single Storey Extension in Stone
Single Storey Extension in Northfleet
Single Storey Extension in Purfleet
Single Storey Extension in Gravesend

Estimates for common extension builder jobs in Grays;

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.

Underpin a building

Underpin a building - £17,623

Two storey extension

Two storey extension - £88,185

Build a timber frame extension

Build a timber frame extension - £26,123

Build a swimming pool

Build a swimming pool - £81,123

Single storey extension

Single storey extension - £57,464

Side return extension

Side return extension - £42,886

Install an RSJ

Install an RSJ - £2,323

Outbuilding

Outbuilding - £10,123

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,123

Loft conversion

Loft conversion - £34,905

Build a kitchen extension

Build a kitchen extension - £42,123

Hip to gable loft conversion

Hip to gable loft conversion - £42,123

Granny annexe

Granny annexe - £87,123

Garden office

Garden office - £10,123

Convert a Garage

Convert a Garage - £16,123

Garage

Garage - £18,623

Build a flat roof extension

Build a flat roof extension - £22,123

Build a dormer loft conversion

Build a dormer loft conversion - £42,123

Concrete foundations

Concrete foundations - £6,373

Convert a bungalow loft

Convert a bungalow loft - £29,123

Convert a basement

Convert a basement - £38,886

More extensions & conversions cost guides...