Cost to build a granny annexe in Catford

Build additional living space on your property in Catford

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Catford? To see prices and availability for your job click green button.

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Granny Annexe Cost in Catford

Estimates for granny annexe near Catford

Building a granny annexe ranges from £86,616 (Jmc buildets based in SE9) to £87,376 (Saintflexs based in BR1), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Catford by posting a job with HaMuch. We will send it to extension builders in Catford who will be happy to help you.

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Estimates for common extension builder jobs in Catford;

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 - £17,591

Two storey extension

Two storey extension - £88,137

Build a timber frame extension

Build a timber frame extension - £26,091

Build a swimming pool

Build a swimming pool - £81,091

Single storey extension

Single storey extension - £56,824

Side return extension

Side return extension - £42,526

Install an RSJ

Install an RSJ - £2,291

Outbuilding

Outbuilding - £10,091

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,091

Loft conversion

Loft conversion - £34,605

Build a kitchen extension

Build a kitchen extension - £42,091

Hip to gable loft conversion

Hip to gable loft conversion - £42,091

Granny annexe

Granny annexe - £87,091

Garden office

Garden office - £10,091

Convert a Garage

Convert a Garage - £16,091

Garage

Garage - £18,591

Build a flat roof extension

Build a flat roof extension - £22,091

Build a dormer loft conversion

Build a dormer loft conversion - £42,091

Concrete foundations

Concrete foundations - £6,341

Convert a bungalow loft

Convert a bungalow loft - £29,091

Convert a basement

Convert a basement - £38,526

More extensions & conversions cost guides...