Bristol price guide
House extension quotes in Bristol
Typical local pricing runs £1,850–£3,050 per m² of new floor area, excluding VAT and kitchen fit-out. Here is what drives that range in Bristol, and what to check on the quotation in front of you.
Indicative Bristol range
£1,850 – £3,050
per m² of new floor area, excluding VAT and kitchen fit-out. Based on a local cost index of 1.06 against the UK average.
Why Bristol pricing differs
Strong demand and limited supply of experienced builders push prices above the wider South West average.
Georgian and Victorian terraces in Clifton, Totterdown and Bedminster, many with steep gardens, cellars and rendered elevations.
Planning and consent
Extensive conservation coverage and a high concentration of listed buildings; Bristol City Council scrutinises external alterations closely.
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 Clifton, Bishopston, Southville, Redland, Fishponds and the wider Bristol area use KnowMyQuote to understand what a contractor has actually priced before committing.
Frequently asked questions
How much does house extension work cost in Bristol?
Local pricing typically runs £1,850–£3,050 per m² of new floor area, excluding VAT and kitchen fit-out, based on a higher-than-average cost index of 1.06 for Bristol.
Why do quotes in Bristol differ so much?
Because they rarely cover the same scope. Strong demand and limited supply of experienced builders push prices above the wider South West average. 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 Bristol?
Extensive conservation coverage and a high concentration of listed buildings; Bristol City Council scrutinises external alterations closely. 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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