York price guide
House extension quotes in York
Typical local pricing runs £1,800–£2,950 per m² of new floor area, excluding VAT and kitchen fit-out. Here is what drives that range in York, and what to check on the quotation in front of you.
Indicative York range
£1,800 – £2,950
per m² of new floor area, excluding VAT and kitchen fit-out. Based on a local cost index of 1.02 against the UK average.
Why York pricing differs
Heritage skills command a premium, and conservation constraints limit which contractors can realistically do the work.
Historic city core, Victorian terraces in Bishophill and South Bank, and interwar semis beyond the walls.
Planning and consent
City of York Council enforces strict conservation and listed building controls across a very large historic area.
What to check on a house extension quotation
- Foundation depth allowed for, and the rate if a deeper dig is needed
- Whether structural steel, engineer's fees and building control are inside the price
- The glazing allowance, stated per m² or per unit
- Which items are provisional sums rather than fixed prices
Areas we see quotes from
Homeowners across Bishopthorpe, Heworth, Acomb, Fulford, Clifton and the wider North Yorkshire area use KnowMyQuote to understand what a contractor has actually priced before committing.
Frequently asked questions
How much does house extension work cost in York?
Local pricing typically runs £1,800–£2,950 per m² of new floor area, excluding VAT and kitchen fit-out, based on a higher-than-average cost index of 1.02 for York.
Why do quotes in York differ so much?
Because they rarely cover the same scope. Heritage skills command a premium, and conservation constraints limit which contractors can realistically do the work. Two quotes for the same job can exclude different items, which is why comparing exclusions matters more than comparing totals.
Do I need planning permission in York?
City of York Council enforces strict conservation and listed building controls across a very large historic area. Always confirm with the local authority before committing, and apply for a Lawful Development Certificate where the work is permitted development.
How many quotes should I get?
Three, all priced against the same drawings and written specification. Without a common document you are comparing three different buildings, not three prices.
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