For many rural landowners, the phrase “mansion tax” may sound like a policy aimed at city townhouses or large suburban homes. In practice, Scotland’s proposed high-value council tax bands could have real significance for estates, farms, coastal properties and family-owned houses across rural Scotland.
What is being proposed?
The Scottish Government is consulting on two new council tax bands for residential properties valued at more than £1 million – bands I and J. If taken forward, Band I would apply to homes valued at more than £1 million and up to £2 million. Band J would apply to homes valued at more than £2 million. The new bands are intended to take effect from 1 April 2028, subject to the agreement of the Scottish Parliament. Values would be assessed by reference to estimated open market value as at 1 April 2026. This would replace the 1991 values which still underpin the current Scottish council tax system.
The proposed change is expected to affect fewer than 1% of Scottish homes — around 15,000 properties — and to raise an estimated £12 million to £16 million a year, with additional revenue retained by local government. That makes it a targeted reform rather than a wholesale revaluation of domestic property. Even so, for rural properties that do fall within scope, the practical questions may be significant.
Despite the mansion tax shorthand, the proposal would not create a separate annual wealth tax. And it wouldn’t change Land and Buildings Transaction Tax. It would sit within the existing council tax system. Local authorities would continue to set and collect council tax, while Scottish Assessors would identify homes above the proposed £1 million threshold.
Why this matters for rural properties
For rural owners, the key issue is valuation rather than appearance. A house may move into Band I or Band J from any existing band if its estimated value at 1 April 2026 exceeds the relevant threshold. That could include estate houses, dower houses, let or seasonal accommodation, and other homes held personally, in trust, through family structures or as part of a wider estate.
The Scottish Government’s material recognises that high-value homes are concentrated not only around cities, but also in certain rural areas. These assets can be difficult to value in a straightforward way. An estate house, island property, coastal home or other rural dwelling may have limited direct comparables. Value may depend on a range of factors, including land, amenity, access, outbuildings, condition, sporting or lifestyle appeal, heritage constraints and scarcity in the local market.
Those factors mean the targeted revaluation exercise could carry real weight. Where a property is unusual, or where the boundary between residential, non-domestic and mixed use is not straightforward, the evidence behind the valuation may be important. Recent valuations, comparable sales, condition reports, title burdens, access arrangements and details of the land or buildings included with the house may all become relevant.
Practical points for owners
The consultation includes illustrative figures, although final rates would be set in legislation. On the examples given, Band I could produce an average annual council tax charge of around £4,770, approximately £720 above the current average Band H charge. Band J could produce an average annual charge of around £7,650, approximately £3,600 above Band H. Actual bills would vary by local authority area.
For some landowners, that additional annual cost may be manageable. For others, the change could be more significant. This may be particularly true for asset-rich but income-limited households, long-held family properties or estate structures with several residential units. Council tax is generally linked to occupation rather than simply ownership. It will therefore be worth checking who is liable in practice, how the property is used, and whether any discounts, exemptions or reductions may apply.
There may also be transaction and estate-planning implications. Buyers of high-value rural houses are likely to ask whether Band I or Band J exposure is possible from 2028. Sellers may be asked for council tax information, valuation evidence and details of anything that could affect banding. Trustees and executors may also need to consider future holding costs before deciding whether a property should be retained, let, sold or occupied by family members.
We now await the Scottish Government’s analysis of consultation responses and the detail of any legislation that follows. Until then, affected owners will want clarity on valuation methodology, mixed-use properties, transitional protection, affordability issues and how any additional revenue will support local services in rural communities.
For now, owners should identify any dwellings that may fall within scope and gather relevant evidence. That review should look beyond the main house to the wider estate portfolio. Where values are close to the proposed thresholds, early preparation may help owners understand their position before formal banding decisions are made.
How we can help
Anderson Strathern advises rural landowners, estates, trustees and family businesses on legal and tax issues affecting rural property ownership, succession planning and estate management. We can help you identify properties that may be affected by the proposed new bands. We can also review ownership and occupation structures, consider valuation issues, and advise on the implications for transactions, estate planning and longer-term rural business strategy.
If you would like to discuss how the proposed high-value council tax bands may affect your property or estate, Alasdair Johnstone or one of our Rural Land and Business or Private Client specialists, would be happy to help.