In a significant move affecting homeowners of high-value properties, UK tax authorities are set to inspect homes valued at over £2 million as they prepare to implement a new council tax surcharge known as the “mansion tax.” This measure, scheduled to come into effect in April 2028, aims to levy additional taxes on luxury properties, introducing an annual charge based on the property’s market value.
The proposed surcharge will impose a tiered tax structure. Homeowners with properties valued between £2 million and £2.5 million will face an annual charge of £2,500. This amount increases to £3,500 for homes worth up to £3.5 million, £5,000 for those valued between £3.5 million and £5 million, and £7,500 for properties exceeding £5 million. Notably, this surcharge will be in addition to the existing council tax and is expected to be adjusted annually in line with inflation rates.
To accurately assess property values, valuation officers may conduct inspections, focusing on internal characteristics and measurements. These assessments will consider factors like the size of the property, architectural features, and the number of bedrooms, bathrooms, and storeys. To ensure compliance, property owners are required to cooperate with inspections, which will be scheduled by agreement and carried out following official guidelines.
Property owners who hinder these inspections could face a fine of £200, while those failing to provide necessary information without a valid reason might incur penalties up to £500. The government emphasizes that these inspections will be conducted in a structured manner to facilitate fair and accurate valuation processes.