St Austell Property Market: House Prices, Sold Data & Development Finance, Q3 2026 Edition

St Austell: Central Cornwall town with Eden Project proximity and affordable development opportunities.

The St Austell property market recorded 872 residential sales in the 12 months to 31 May 2026, with a median sale price of £255,000. This places St Austell £43k below the Cornwall county median of £297,500, and £30k below the approximate UK median of £285,000.

Prices in St Austell have shown modest growth, a year-on-year change of +1%. Within Cornwall, St Austell ranks 6th by price out of 8 principal towns, and 2nd by transaction volume.

On a quarterly view, St Austell median prices moved from £263,750 in Q4 2024 to £265,000 in Q1 2026, a change of +0.5% over 5 quarters.

Cornwall Council, the local planning authority covering St Austell, approved 975 residential planning applications and refused 163 in the last 12 months, with 315 still awaiting a decision. That is an approval rate of 86%.

Those applications propose around 5,891 homes, an estimated £1.4bn of development value at local sale prices. Treat the unit total as an upper bound, since an outline permission and its reserved-matters application both count.

Cornwall Council covers more than one town in Cornwall, so these figures are authority-wide rather than specific to St Austell alone.

Property prices in St Austell vary significantly by type. The table below compares St Austell prices with Cornwall county averages and UK national figures.

Detached homes in St Austell command £350,000, while flat properties are most accessible at £122,750. The £227k spread between the most and least expensive types indicates a diverse market with opportunities across the development spectrum.

HM Land Registry has so far registered 52 new-build sales in St Austell for the past 12 months, 6.0% of registered transactions. New-build sales are typically registered 6 to 18 months after completion, so this understates current delivery and is not a completions figure.

On those registered sales, new builds in St Austell sold at a premium of 40.0% to existing stock.

Across the wider Cornwall market, 189 new-build sales have registered so far. See our Cornwall property market report for the full county picture.

The table below shows the most recently registered residential sales in St Austell, evidence of achieved prices for buyers, sellers and developers:

These transactions are sourced from HM Land Registry Price Paid data and represent completed, registered sales. The range from £176,000 to £275,000 illustrates the breadth of the St Austell market.

For developers considering St Austell, the local market data translates directly into finance structuring. With a median value of £255,000 and detached homes at £350,000, lenders can assess scheme viability with confidence.

A typical development finance facility for a scheme in St Austell with a GDV of £350,000 would attract senior debt of approximately £227,500 at 65% LTGDV. Mezzanine finance can stretch total borrowing to 85-90% of costs, while bridging loans enable rapid site acquisitions completing in as little as 5 working days.

With prices rising 1% year-on-year, St Austell presents a supportive environment for new development. Lenders view positive price momentum favourably when assessing loan applications.

Ready to develop in St Austell? Submit your scheme for indicative terms within 24 hours from our panel of 100+ lenders.

To put St Austell's market in context, the table below compares it with similarly-priced towns across Cornwall:

For the full Cornwall town-by-town breakdown, see our comprehensive Cornwall property market report.