Denbighshire Council Tax Premium: Escalating Empty Home Rates Explained

Denbighshire takes a different approach to empty home premiums than most Welsh councils — the rate does not sit at a fixed percentage but rises the longer a property stays vacant. If you are sitting on an empty property here, the cost increases every year.

Current Rates (2026/27)

• Second homes: flat 150% premium
• Long-term empty properties: 150% for properties empty for less than five years; 225% for properties empty for five years or longer in 2026/27, rising to 250% from 1 April 2027 and then by 25 percentage points annually up to 300%

The second home premium is straightforward — 150% on top of the standard band charge from the moment the property is classified as periodically occupied. The empty home escalation is where Denbighshire's policy stands out.

How the Escalation Works

A property that has been unoccupied and substantially unfurnished for just over 12 months starts at 150%. For properties empty for five years or longer, the premium was 225% in 2026/27 and is set to rise to 250% from 1 April 2027, with further 25 percentage-point annual increases up to the statutory maximum of 300%.

For a property in the five-plus-year tier in 2026/27, a 225% premium means a total charge equal to 325% of the standard charge, before applicable discounts and local precepts.

The Empty-Home Clock

The 12-month qualifying period for empty home premiums starts on the day the property becomes both unoccupied and substantially unfurnished. The clock attaches to the property, not the owner — if you buy an already-vacant house, you inherit the previous owner's accumulated vacancy period.

To genuinely reset the clock, the property must be occupied or substantially furnished for a continuous period of at least six weeks. Temporary occupation or furnishing for fewer than six weeks is ignored under anti-avoidance rules.

Exceptions and Exemptions

All seven national exception classes apply in Denbighshire. A property on the market for sale at a reasonable price qualifies for Class 1 (up to 12 months). Major structural repairs can trigger a Class A dwelling exemption (up to 12 months of zero council tax). Properties left empty after the owner moves into care qualify for a Class E exemption.

For an empty property already deep into the escalation schedule, the most effective route is often to bring it back into active use — either through occupation, a genuine letting, or a sale — rather than relying on a time-limited exception class.

To challenge a refusal, submit a formal written Section 16 grievance to the council. If it rejects the grievance, you may appeal free to the Valuation Tribunal for Wales within two months of the decision notice; if it does not respond within two months, the appeal must reach the tribunal within four months from the date you submitted the grievance.

The Wales Premium Exceptions Guide explains Denbighshire's escalation tiers and walks through each exception class with the evidence required.

See more Wales guides →