Hillingdon Property Market: House Prices, Sold Data & Development Finance, Q3 2026 Review

Hillingdon: Outer West London borough benefitting from Crossrail, Heathrow proximity and the Old Oak / Park Royal edges.

The Hillingdon property market recorded 2,958 residential sales in the 12 months to 30 June 2026, with a median sale price of £499,999. This places Hillingdon £20k above the Greater London county median of £480,000, and £215k above the approximate UK median of £285,000.

Prices in Hillingdon have shown strong growth, a year-on-year change of +3.4%. Within Greater London, Hillingdon ranks 10th by price out of 21 principal towns, and 9th by transaction volume.

On a quarterly view, Hillingdon median prices moved from £500,000 in Q1 2025 to £490,000 in Q2 2026, a change of -2.0% over 5 quarters.

The local planning authority for Hillingdon approved 27 residential planning applications and refused 24 in Q3 2026 (1 July to 30 September 2026), with 68 still awaiting a decision. That is an approval rate of 53%. Planning figures come from local planning authority records compiled by Landstack, retrieved on 3 October 2026. Councils and Landstack can take several days to publish decisions, so decisions made in the final days of Q3 2026 may not all be included yet.

Schemes approved in Q3 2026, together with those still awaiting a decision, propose around 647 homes, an estimated £312.5m 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.

Property prices in Hillingdon vary significantly by type. The table below compares Hillingdon prices with Greater London county averages and UK national figures.

Detached homes in Hillingdon command £830,000, while flat properties are most accessible at £300,000. The £530k 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 30 new-build sales in Hillingdon for the past 12 months, 1.0% 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 Hillingdon sold at a discount of 18.6% to existing stock.

Across the wider Greater London market, 1,006 new-build sales have registered so far. See our Greater London property market report for the full county picture.

The table below shows the most recently registered residential sales in Hillingdon, 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 £345,000 to £778,260 illustrates the breadth of the Hillingdon market.

For developers considering Hillingdon, the local market data translates directly into finance structuring. With a median value of £499,999 and detached homes at £830,000, lenders can assess scheme viability with confidence.

A typical development finance facility for a scheme in Hillingdon with a GDV of £830,000 would attract senior debt of approximately £539,500 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 3.4% year-on-year, Hillingdon presents a supportive environment for new development. Lenders view positive price momentum favourably when assessing loan applications.

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

To put Hillingdon's market in context, the table below compares it with similarly-priced towns across Greater London:

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