Cost to Build a Single Storey Extension in DA18

Build a single storey extension in DA18 from £52,760

HaMuch is Excellent

Single storey extension cost in DA18

Extension builder estimates (based on hourly rates) to build a single storey extension in DA18

Estimates for single storey extension near DA18

Get extension builder rates instantly

Get extension builder rates instantly
Borough in London
Single Storey Extension in Erith
Single Storey Extension in Belvedere
Single Storey Extension in Abbey Wood
Single Storey Extension in Thamesmead
Single Storey Extension in Barnehurst
Single Storey Extension in Crayford
Single Storey Extension in Welling
Single Storey Extension in Bexleyheath
Single Storey Extension in Woolwich
Single Storey Extension in Rainham

Estimates for common extension builder jobs in DA18;

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 - £17,727

Two storey extension

Two storey extension - £88,341

Build a timber frame extension

Build a timber frame extension - £26,227

Build a swimming pool

Build a swimming pool - £81,227

Single storey extension

Single storey extension - £59,544

Side return extension

Side return extension - £44,056

Install an RSJ

Install an RSJ - £2,427

Outbuilding

Outbuilding - £10,227

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,227

Loft conversion

Loft conversion - £35,880

Build a kitchen extension

Build a kitchen extension - £42,227

Hip to gable loft conversion

Hip to gable loft conversion - £42,227

Granny annexe

Granny annexe - £87,227

Garden office

Garden office - £10,227

Convert a Garage

Convert a Garage - £16,227

Garage

Garage - £18,727

Build a flat roof extension

Build a flat roof extension - £22,227

Build a dormer loft conversion

Build a dormer loft conversion - £42,227

Concrete foundations

Concrete foundations - £6,477

Convert a bungalow loft

Convert a bungalow loft - £29,227

Convert a basement

Convert a basement - £40,056

More extensions & conversions cost guides...