v3.25.4
Property, plant and equipment and investment property (Tables)
 12 Months Ended
Dec. 31, 2025
Texts Block [Abstract]  
Summary of Disclousre of Detailed inormation about Property, plant and equipment and investment property
                    
 
Owned assets
        
  All figures in £ millions
  
Investment
property
    
Right-of-
 use assets
        
Land and
buildings
    
Plant and
equipment
    
Assets in
the course of
construction
    
Total
  
Cost
 
 
 
 
 
 
 
At 1 January 2024
     214       342         165       237       9       967  
Exchange differences
     –       2         1       1       1       5  
Additions
     7       39         –       4       27       77  
Disposals and retirements
     –       (33 )        (22 )      (84 )      –       (139 ) 
Reclassifications and transfers
     –       –    
 
     7       21       (28 )      –  
At 31 December 2024
    
221
 
 
 
350
 
 
 
 
 
151
 
 
 
179
 
 
 
9
      
910
  
Exchange differences
  
 
–
 
 
 
(19
)
 
 
 
(9
)
 
 
(10
)
 
 
–
 
 
 
(38
)
Additions
  
 
11
 
 
 
41
 
 
 
 
–
 
 
 
4
 
 
 
26
 
 
 
82
 
Disposals and retirements
  
 
–
 
 
 
(38
)
 
 
 
–
 
 
 
(12
)
 
 
–
 
 
 
(50
)
Reclassifications and transfers
  
 
–
 
 
 
–
 
 
 
 
 
7
 
 
 
18
 
 
 
(25
)
 
 
–
 
At 31 December 2025
  
 
232
 
 
 
334
 
 
 
 
 
149
 
 
 
179
 
 
 
10
 
 
 
  904
 
                                  
 
Owned assets
        
 All figures in £ millions
  
Investment
property
    
Right-of-
 use assets
        
Land and
buildings
    
Plant and
equipment
    
Assets in
the course of
construction
    
Total
  
Depreciation and impairment
              
At 1 January 2024
     (135 )      (234 )        (125 )      (177 )      –       (671 ) 
Exchange differences
     –       (2 )        (2 )      (2 )      –       (6 ) 
Charge for the year
     (8 )      (35 )        (8 )      (25 )      –       (76 ) 
Disposals and retirements
     –       32         22       83       –       137  
Reclassifications and transfers
     –       –         –       –       –       –  
Reversal of impairment/
(
impairment)
     (1 )      –    
 
     –       –       –       (1 ) 
At 31 December 2024
    
(144
) 
 
 
(239
) 
 
 
 
 
(113
) 
 
 
(121
) 
 
 
–
 
 
 
(617
) 
Exchange differences
    
–
 
 
12
 
 
 
 
7
 
 
 
8
 
 
 
–
 
 
 
27
  
Charge for the year
    
(8
)
 
 
(34
)
 
 
 
(9
)
 
 
(23
)
 
 
–
 
 
 
(74
)
Disposals and retirements
    
–
 
 
32
 
 
 
 
–
 
 
 
12
 
 
 
–
 
 
 
44
  
Reclassifications and transfers
    
–
 
 
 
–
 
 
 
 
–
 
 
 
–
 
 
 
–
 
 
 
–
  
Reversal of impairment/(impairment)
    
11
 
 
 
6
 
 
 
 
 
–
 
 
 
–
 
 
 
–
 
 
 
17
  
At 31 December 2025
    
(141
) 
 
 
(223
)
 
 
 
 
(115
)
 
 
(124
) 
 
 
–
 
 
 
(603
) 
Carrying amounts
  
 
 
 
 
 
 
At 1 January 2024
    
79
 
 
108
 
 
 
 
40
 
 
 
60
 
 
 
9
 
 
 
296
  
At 31 December 2024
    
77
 
 
 
111
 
 
 
 
 
38
 
 
 
58
 
 
 
9
 
 
 
293
  
At 31 December 2025
    
91
 
 
111
 
 
 
 
 
34
 
 
 
55
 
 
 
10
 
 
 
  301