Key Takeaways
- The UK government has announced a new "mansion tax" that will affect properties valued over £2m
- The High Value Council Tax Surcharge will come into effect in April 2028 and will raise £400m by 2029
- The tax will be added to existing Council Tax and will increase with inflation from 2029
- Only 1% of properties in England will be affected, and a support scheme is planned for those who may struggle to pay
- The tax will be used to fund local services, but its design has been criticized by some as complicated and unfair
Introduction to the Mansion Tax
The UK government has announced a new tax on high-value properties, dubbed the "mansion tax", which will affect properties valued over £2m. The High Value Council Tax Surcharge was announced in the Autumn Budget on November 26 and will come into effect in April 2028. The tax is expected to raise £400m by 2029, which will be used to fund local services. The government has stated that the tax is intended to address wealth inequality in the country, with Chancellor Rachel Reeves saying that it will "take further steps to deal with a long-standing source of wealth inequality in our country".
How the Tax Will Work
The tax will be added to existing Council Tax and will increase with inflation from 2029. Properties valued between £2m and £2.5m will be subject to a £2,500 charge, while those valued between £2.5m and £3.5m will be subject to a £3,500 charge. Properties valued between £3.5m and £5m will be subject to a £5,000 charge, and those valued over £5m will be subject to a £7,500 charge. This means that a property valued over £5m in Band H could end up paying over £12,000 in tax. The tax will be collected by councils, who will then pass it on to the UK government.
Impact on Homeowners
The tax is expected to affect only 1% of properties in England, with the majority of homeowners not being affected. However, for those who are affected, the tax could be a significant burden. A support scheme is planned for those who may struggle to pay, but the details of this scheme have not yet been announced. The tax has also been criticized for its potential impact on homeowners who may not have the means to pay, with some arguing that it could lead to a decrease in property values and a reduction in the number of high-value properties being sold.
Criticism of the Tax
The tax has been criticized by some for its design, with the Institute for Fiscal Studies saying that it is "complicated" and "leaves much to be desired". The Institute has argued that the tax is based on outdated valuations and that it does not take into account the current market value of properties. Others have criticized the tax for its potential impact on local authorities, who will be responsible for collecting the tax but may not see any of the revenue raised. Cllr Pete Marland, resources committee chair at the Local Government Association, has said that the government needs to address practical concerns of local authorities and ensure that any additional funding raised through the council tax system is available to support local authorities.
Impact on Local Authorities
The tax is expected to have a significant impact on local authorities, who will be responsible for collecting the tax and passing it on to the UK government. However, the government has not yet announced how the revenue raised will be used to support local services. Cllr Pete Marland has said that the government needs to ensure that any additional funding raised through the council tax system is available to support local authorities, particularly in the context of the current financial pressures they face. The tax has also been criticized for its potential to create confusion over accountability, with councils likely to be blamed for a charge that is not theirs.
Conclusion
The introduction of the High Value Council Tax Surcharge is a significant development in the UK’s property tax system. While the tax is intended to address wealth inequality and raise revenue for local services, its design has been criticized for being complicated and unfair. The impact of the tax on homeowners and local authorities will be significant, and it remains to be seen how the government will address the practical concerns of local authorities and ensure that the revenue raised is used to support local services. As the tax comes into effect in April 2028, it is likely that there will be further debate and discussion about its impact and effectiveness.

