v3.26.1
Basis of preparation (Tables)
12 Months Ended
Dec. 31, 2025
Basis of preparation  
The exchange rates used for the translation of currencies

​

​

​

​

​

​

​

​

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Average rates

​

  ​

​

  ​

​

  ​

Sterling

​

1.32

​

1.28

​

1.24

Euro

​

1.13

​

1.08

​

1.08

Swiss Franc

​

1.20

​

1.14

​

1.11

Japanese Yen

​

0.0067

​

0.0066

​

0.0071

Year end rates

​

​

​

​

​

​

Sterling

​

1.35

​

1.25

​

1.27

Euro

​

1.17

​

1.04

​

1.10

Swiss Franc

​

1.26

​

1.10

​

1.19

Japanese Yen

​

0.0064

​

0.0064

​

0.0071

​