Designating a property as your main residence

Posted on 20th January 2025 by Streets - Capital Gains Tax

Owning more than one property? You can claim Capital Gains Tax (CGT) relief on just one at a time. By formally electing your main residence within two years of property changes, you can optimise your CGT exemption and make the most of key tax benefits.

Taxpayers who own more than one property should be aware of a number of important considerations. An individual, married couple, or civil partnership can only claim Capital Gains Tax (CGT) relief on one property at a time. However, it is possible to designate which property will benefit from the CGT exemption at the time of sale by making a formal election.

To nominate a property as the main residence, a letter must be sent to HMRC specifying the full address of the property being nominated. This nomination must be signed by all owners of the property and the election must be made within two years of any change in the combination of properties owned. Additionally, the property must have been occupied as the main or only residence at some point in the past.

There are specific rules governing overseas properties and for non-UK residents. It is important to carefully consider the timing and frequency of making such elections. Notably, if a property has been used as a private residence at any time, the final nine months of ownership are disregarded for CGT purposes even if the individual was not residing in the property when it was sold.

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