Council Tax Six-Week Rule for Empty Property

The Rule: Six Continuous Weeks to Reset the Clock

Under Section 11B(9) of the Local Government Finance Act 1992, periods of six weeks or less during which a dwelling is occupied or substantially furnished are disregarded when calculating how long it has been empty. The clock resets only after a continuous interruption of more than six weeks, during which the dwelling is occupied or substantially furnished.

An interruption lasting six weeks or less is disregarded by law. The clock keeps ticking as though the interruption never happened.

What Counts as Occupation or Furnishing

The test can be met by occupation or by substantial furnishing for more than six continuous weeks. For occupation, billing authorities assess whether the property was genuinely occupied using evidence such as utility consumption, electoral register entries, GP registration, financial ties, and signs of domestic life.

Moving a mattress in and sleeping there intermittently will not satisfy the test. If nobody lives there, furniture can still interrupt the empty period only if the property is substantially furnished throughout the period. Councils can investigate arrangements that appear contrived.

If the council is satisfied that the dwelling was occupied or substantially furnished for more than six continuous weeks, the statutory clock resets to zero. The property would then need to be empty for another 12 uninterrupted months before the premium could apply again.

What Does Not Count

• A family member staying for a long weekend does not reset the clock
• A builder working on site during the day but living elsewhere does not count as occupation
• A few items of furniture that do not make the dwelling substantially furnished do not interrupt the clock; substantial furnishing can reset it even if nobody lives there
• Separate Airbnb-style stays of six weeks or less do not aggregate to meet the threshold — the interruption must itself last more than six continuous weeks

The 12-Month Premium Trigger

The one-year empty threshold was lowered from two years to one year effective 1 April 2024, under the Levelling-up and Regeneration Act 2023. Once a property reaches 12 months of continuous vacancy, the billing authority can charge a premium of up to 100% immediately — there is no further grace period.

The clock starts from the first day the property is both unoccupied and substantially unfurnished. This includes periods during which a statutory exemption (like Class F for probate) is active. The exemption removes the bill but does not pause the clock.

When the Premium Actually Hits Your Bill

Councils typically apply the premium on your next annual demand notice after the 12-month threshold is crossed, though some adjust mid-year. The premium is calculated against the standard band charge, including all local precepts.

If you believe the council's start date for the empty period is wrong — perhaps you moved out later than they recorded, or you had a genuine occupation lasting more than six weeks that was not reflected in their records — challenge it through a formal Section 16 grievance in writing. Informal phone calls do not create a record and do not protect your appeal rights.

Our Empty Home Council Tax Premium guide includes a timeline tracker that logs vacancy dates, temporary occupation periods, and exemption windows so you can demonstrate exactly when the clock started and whether it was legitimately reset.

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