Cost to Build a Single Storey Extension in Porthmadog

Build a single storey extension in Porthmadog from £40,120

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Single storey extension cost in Porthmadog

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

Estimates for single storey extension near Porthmadog

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Location in UK	Hourly Rate	Daily Rate
Single Storey Extension near Conwy	£28	£211
Single Storey Extension near Conway	£28	£211
Single Storey Extension near Llandudno	£28	£211
Single Storey Extension near Colwyn Bay	£28	£211
Single Storey Extension near Rhyl	£28	£209

Estimates for common extension builder jobs in Porthmadog;

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 - £16,977

Two storey extension

Two storey extension - £87,216

Build a timber frame extension

Build a timber frame extension - £25,477

Build a swimming pool

Build a swimming pool - £80,477

Single storey extension

Single storey extension - £44,547

Side return extension

Side return extension - £35,620

Install an RSJ

Install an RSJ - £1,677

Outbuilding

Outbuilding - £9,477

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,477

Loft conversion

Loft conversion - £28,850

Build a kitchen extension

Build a kitchen extension - £41,477

Hip to gable loft conversion

Hip to gable loft conversion - £41,477

Granny annexe

Granny annexe - £86,477

Garden office

Garden office - £9,477

Convert a Garage

Convert a Garage - £15,477

Garage

Garage - £17,977

Build a flat roof extension

Build a flat roof extension - £21,477

Build a dormer loft conversion

Build a dormer loft conversion - £41,477

Concrete foundations

Concrete foundations - £5,727

Convert a bungalow loft

Convert a bungalow loft - £28,477

Convert a basement

Convert a basement - £31,620

More extensions & conversions cost guides...