# The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2026, Regulation 7: Notional chargeable amount


(1) Subject to paragraphs (4) and (5), the notional chargeable amount for a defined hereditament—
(a) for the relevant year beginning on 1st April 2026 is the amount found by applying the formula—
A × ( M + R S )
(b) for the relevant years beginning on 1st April 2027 and 1st April 2028 is the amount found by applying the formula—
N × P
(2) For the purposes of this regulation—
“A” is in relation to 1st April 2026;
“D1” is the small business non-domestic rating multiplier for the relevant year;
“D2” is the small business non-domestic rating multiplier for the relevant year which precedes the relevant year;
“M” is in relation to 1st April 2026;
“N” is the notional chargeable amount for the year preceding the relevant year;
“P” is the amount found by applying the formula—
D 1 D 2 + R S
“RS”—
(a) where the relevant year to which D2 relates is the year beginning on 1st April 2026, is 0.01;
(b) where the relevant year to which D2 relates is the year beginning on 1st April 2027, is zero.
(3) For the purposes of paragraph (2), “P”, if not a whole number, is calculated to three decimal places only.
(4) Where regulation 14 (change in rateable value on 1st April 2026) applies, references in this regulation to A have effect subject to the modifications made in paragraph (3) of that regulation.
(5) For a hereditament to which the Schedule (splits and mergers) applies, paragraph 7 of that Schedule has effect for finding the notional chargeable amount.

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Source: https://www.legislation.gov.uk/ukdsi/2026/9780348277562/regulation/7 (the official version)
Page: https://openlegislation.uk/draft-non-domestic-rating-chargeable-amounts-england-regulations-2026/regulation-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.