313Restrictions on reliefU.K.
(1)This section restricts deductions that would otherwise be allowable under section 312.
(2)No deduction is allowed if, when the energy-saving item is installed, the dwelling-house—
(a)is in the course of construction, or
(b)is comprised in land in which the person does not have an interest or is in the course of acquiring an interest or further interest.
(3)No deduction is allowed in respect of expenditure in a tax year if—
(a)the business consists of or includes the commercial letting of furnished holiday accommodation (see Chapter 6), and
(b)the dwelling-house constitutes some or all of that accommodation for the tax year.
(4)No deduction is allowed if—
(a)the person derives rent-a-room receipts from the dwelling-house, and
(b)those receipts are brought into account in calculating the profits of the business in accordance with section 793 or 797 (rent-a-room relief).
(5)No deduction is allowed in respect of expenditure treated by section 57 (as applied by section 272) as incurred on the date on which the person starts to carry on the business unless the expenditure was incurred not more than 6 months before that date.
[F1(6)No deduction is allowed in respect of expenditure incurred in acquiring and installing the energy-saving item in a building containing the dwelling-house in so far as the expenditure is not for the benefit of the dwelling-house.]
Textual Amendments
F1S. 313(6) inserted (19.7.2007 with effect as stated in s. 18(6) of the amending Act) by Finance Act 2007 (c. 11), s. 18(4)