Cornwall has one of the highest concentrations of holiday lets in Britain, and every one of them has the same weak point: keys in the hands of strangers, changing weekly, at a property the owner often can't reach quickly. The result is a familiar list — Saturday changeover lockouts, keys lost on the beach or driven home to Birmingham, cleaners locked out, and locks that quietly fail insurance requirements nobody has read since the policy was bought.
The problems every Cornwall let hits eventually
- Changeover lockouts. Guests arrive before the cleaner leaves a key, codes get mistyped, previous guests drive off with the set. Saturday afternoons in August are peak lockout season on the coast.
- Guest key loss. On a standard lock, a lost key means an unknown copy in circulation and a lock change on a booked-solid property. On restricted keys or smart locks, it means nothing at all.
- Insurance-grade locks. Holiday-let policies typically require BS3621 mortice locks on wooden doors and proper multipoint or TS007 cylinders on uPVC — the same standards as home insurance, and just as strictly checked after a claim.
- Salt air. Coastal lets chew through cheap cylinders, springs and key-safe mechanisms. Marine-grade hardware and an annual service stop the 8am "the key won't turn" call.
The setups that work
| Setup | What it costs | Best for |
|---|---|---|
| Police-approved key safe, bolted to masonry, out of sight | £60–£120 fitted | Any let; the baseline for self check-in |
| Keypad lock — new code between bookings | £150–£300 installed | Mid-market lets, annexes, single-door cottages |
| Smart lock with app control — code per booking, entry log, no physical keys | £300–£800 installed | Remote owners, premium lets, multi-property portfolios |
| Restricted-profile keys — copies only with written authorisation | from £150 per door | Owners keeping physical keys for cleaners and tradespeople |
| Yearly lock audit — every lock, key safe and window catch checked pre-season | typically under an hour on site | Every let, every spring |
None of this is exotic — it's standard commercial locksmith work, and the locksmiths we match fit these systems across the county all season. For a straight lock swap after a lost key or a changeover problem, see lock changes; for a guest locked out right now, the emergency page is the fast route.
Where the work concentrates
We arrange holiday-let locksmith work everywhere in Cornwall, but the hotspots are exactly where you'd guess: St Ives & Carbis Bay, Newquay & Mawgan Porth, Wadebridge, Rock & Polzeath, and Falmouth & the Helford. The locksmiths covering these patches handle changeover-day timing, cleaner handovers and agency keyholding arrangements as a matter of routine.
The cost of getting it wrong
A planned keypad install costs £150–£300. A Saturday-evening emergency callout, a same-day lock change, a relocated guest and the review that mentions being locked out costs a great deal more — and it always happens in peak season, never in November. Owners who've had one August lockout become permanent advance-planners. The full price guide has honest numbers for everything above.
Get it sorted before the season starts
Tell us the property, what's on the doors now, and when your changeover days fall — we'll match you with a vetted local locksmith who works around holiday lets as standard. Request a free quote and you'll usually hear back the same working day.