Holiday lets in Wales: 182 nights or council tax

In Wales, a self-catering property pays business rates only if it meets two tests. It must have been available to let for 252 days in the year. It must have been actually let for 182 days. Miss that, and the Valuation Office can class it as domestic. Council tax can follow. A local second-home premium can sit on top.

Not the English rule

England uses a shorter letting test. That figure does not apply to a Welsh cottage. If a listing site, an accountant outside Wales, or a forum post quotes the English nights, ignore it for a property in Wales.

The Welsh rules are set out by the Welsh Government and applied by the Valuation Office Agency. Business Wales publishes the 252 and 182 day tests for self-catering properties. A cottage website does not decide the tax. Neither does calling it a holiday let in the advert.

Who bills what

The Valuation Office Agency classifies the property — business rates or domestic. The council sends the bill. If the property is domestic, the council may also charge a premium on second homes or long-term empty homes. The Welsh maximum premium is 300%. Each council sets its own rate, or none. Check that council. Do not use a national average as the bill.

What this means if you let, or book

If you let: keep evidence of the nights available and the nights actually let. Ask your accountant and the council before you assume rates. This page is not tax advice. It is the test so you know which office to ask.

If you book a cottage: the 182-night rule is the owner’s tax question, not a charge on your stay. Your bill is the rate, the extras, and — only where a council has started one — a visitor levy. Cardiff’s levy is a different rule, from 1 April 2027. See Cardiff visitor levy and holiday cottage extras.

What not to assume

A property that was busy last August can still miss 182 let nights across the year. Availability is not the same as nights someone paid for. Both numbers matter.

What to keep if you let

A calendar of nights the property was offered, and a record of nights someone paid for, are the two lists the test cares about. Owner stays, blocked weeks, and “available if asked” are not the same as a night that was let. Ask the Valuation Office how they want that evidence, rather than assuming a booking-site dashboard is enough.

If the property moves from rates to council tax, ask that council whether a second-home premium applies, and from which date. The 300% figure is a maximum, not a bill. Some councils charge less. Some charge none.

If you are only booking a week, none of this changes your cottage invoice. Ask about cleaning, linen and the visitor levy instead.