Cost to Build a Single Storey Extension in RM20

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Build a single storey extension in RM20 from £52,280

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Single storey extension cost in RM20

Extension builder estimates (based on hourly rates) to build a single storey extension in RM20

Estimates for single storey extension near RM20

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Borough in London
Single Storey Extension in West Thurrock
Single Storey Extension in Purfleet
Single Storey Extension in Grays
Single Storey Extension in South Ockendon
Single Storey Extension in Stone
Single Storey Extension in Chafford Hundred
Single Storey Extension in Swanscombe
Single Storey Extension in Tilbury
Single Storey Extension in Darenth
Single Storey Extension in Dartford

Estimates for common extension builder jobs in RM20;

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 - £17,641

Two storey extension

Two storey extension - £88,211

Build a timber frame extension

Build a timber frame extension - £26,141

Build a swimming pool

Build a swimming pool - £81,141

Single storey extension

Single storey extension - £57,816

Side return extension

Side return extension - £43,084

Install an RSJ

Install an RSJ - £2,341

Outbuilding

Outbuilding - £10,141

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,141

Loft conversion

Loft conversion - £35,070

Build a kitchen extension

Build a kitchen extension - £42,141

Hip to gable loft conversion

Hip to gable loft conversion - £42,141

Granny annexe

Granny annexe - £87,141

Garden office

Garden office - £10,141

Convert a Garage

Convert a Garage - £16,141

Garage

Garage - £18,641

Build a flat roof extension

Build a flat roof extension - £22,141

Build a dormer loft conversion

Build a dormer loft conversion - £42,141

Concrete foundations

Concrete foundations - £6,391

Convert a bungalow loft

Convert a bungalow loft - £29,141

Convert a basement

Convert a basement - £39,084

More extensions & conversions cost guides...