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

Caernarfon: Castle town with UNESCO World Heritage status and growing tourism economy.

The Caernarfon property market recorded 425 residential sales in the 12 months to 31 May 2026, with a median sale price of £188,000. This places Caernarfon in line with the Gwynedd county median, and £97k below the approximate UK median of £285,000.

Prices in Caernarfon have shown strong growth, a year-on-year change of +3.9%. Within Gwynedd, Caernarfon ranks 3rd by price out of 5 principal towns, and 1st by transaction volume.

On a quarterly view, Caernarfon median prices moved from £177,250 in Q4 2024 to £195,000 in Q1 2026, a change of +10.0% over 5 quarters.

Property prices in Caernarfon vary significantly by type. The table below compares Caernarfon prices with Gwynedd county averages and UK national figures.

Detached homes in Caernarfon command £320,066, while flat properties are most accessible at £105,000. The £215k 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 0 new-build sales in Caernarfon for the past 12 months, 0.0% 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.

Too few new-build sales have registered yet to quote a reliable new-build premium for Caernarfon.

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

The table below shows the most recently registered residential sales in Caernarfon, 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 £157,000 to £495,000 illustrates the breadth of the Caernarfon market.

For developers considering Caernarfon, the local market data translates directly into finance structuring. With a median value of £188,000 and detached homes at £320,066, lenders can assess scheme viability with confidence.

A typical development finance facility for a scheme in Caernarfon with a GDV of £320,066 would attract senior debt of approximately £208,043 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 3.9% year-on-year, Caernarfon presents a supportive environment for new development. Lenders view positive price momentum favourably when assessing loan applications.

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

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

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