Regulation 13 Change in rateable value after 1st April 2026

Paragraph (2) applies in respect of a defined hereditament in a case where regulation 12 applies and for a day after 1st April 2026 the value of A for the hereditament for that day is greater than the value of A for it for 1st April 2026.

Where this paragraph applies, regulation 12 has effect as regards the hereditament for the day as if the reference in that regulation to the formula—

were a reference to—

Paragraph (4) applies in respect of a defined hereditament in a case where regulation 12 applies and where the value of A for a chargeable day after 1st April 2026 is less than the value of A for 1st April 2026.

Where this paragraph applies, regulation 12 has effect as regards the hereditament for the day as if the reference in that regulation to the formula—

were a reference to—

For the purposes of the modifications made by paragraphs (2) and (4)—

• “J” is the value of A for 1st April 2026;

• “N” is the value of A for the chargeable day;

• “RS”—

  1. (a)

     in relation to a day falling in the relevant year beginning on 1st April 2026, is 0.01;

  2. (b)

     in relation to a day falling in the relevant years beginning on 1st April 2027 or 2028, is zero.

Paragraph (7) applies in respect of a defined hereditament shown in the central list in a case where regulation 12 applies and for a chargeable day after 1st April 2026 the value of A for that hereditament for that day is different from the value of A for 1st April 2026.

Where this paragraph applies, regulation 12 has effect as regards the defined hereditament for the chargeable day as if the reference to the formula—

were a reference to—

For the purposes of this paragraph and paragraph (7)—

• “H” is the aggregate for the chargeable day of the amounts found by applying the following formula to each hereditament which is shown in the central list for that day in relation to the designated person and to which regulation 12 applies but paragraph (7) does not apply—

  $$\frac{(BL\times AF)}{C}$$

• “I” is the aggregate for the chargeable day of the amounts found by applying the following formula to each hereditament shown in the central list for that day in relation to the designated person to which paragraph (7) applies and for which the value of A for that day is greater than the value of A for 1st April 2026—

  $$\frac{(BL\times AF)+((N-J)\times (M+RS\left)\right)}{C}$$

• “J” is the value of A for the hereditament for 1st April 2026;

• “K” is the aggregate for the chargeable day of the chargeable amounts found by applying the following formula to each hereditament shown in the central list for that day in relation to the designated person to which paragraph (7) applies and for which the value of A is less than the value of A for 1st April 2026—

  $$\frac{\left(\mathrm{BL}\times \mathrm{AF}\times N\right)}{C\times J}$$

• “M” is in relation to the chargeable day;

• “N” is the value of A for the hereditament for the chargeable day; and

• “RS”—

  1. (a)

     in relation to a day falling in the relevant year beginning on 1st April 2026, is 0.01;

  2. (b)

     in relation to a day falling in the relevant years beginning on 1st April 2027 or 2028, is zero.

For a hereditament to which one or more of the following provisions apply—

this regulation has effect subject to the modifications made by that provision.