v3.26.1
Provisions (Tables)
12 Months Ended
Mar. 31, 2026
Other provisions [abstract]  
Schedule of provisions
Environmental
£m
Decommissioning
£m
Other
£m
Total
provisions
£m
At 1 April 2024
2,418
353
338
3,109
Exchange adjustments
(47)
(5)
(1)
(53)
Additions
60
45
211
316
Unused amounts reversed
(126)
(8)
(16)
(150)
Adjustment for change in discount rate1
(82)
7
(75)
Unwinding of discount
105
13
5
123
Utilised
(139)
(6)
(58)
(203)
Reclassification to held for sale (note 10)
(17)
(1)
(18)
At 31 March 2025
2,172
399
478
3,049
Exchange adjustments
(49)
(4)
(4)
(57)
Additions
59
43
200
302
Unused amounts reversed
(53)
(50)
(26)
(129)
Adjustment for change in discount rate
(2)
(88)
(90)
Unwinding of discount
101
12
3
116
Utilised
(135)
(4)
(113)
(252)
Reclassifications to other payables (note 24)
(178)
(178)
At 31 March 2026
2,093
308
360
2,761
2026
2025
£m
£m
Current
425
357
Non-current
2,336
2,692
2,761
3,049
1.In the prior year, US environmental provisions decreased by £82 million as a result of the change in the real discount rate from 1.5%
to 2.0%.
Schedule of environmental provision The environmental provision is as follows:
2026
2025
Discounted
£m
Real
undiscounted
£m
Real
discount
rate
Discounted
£m
Real
undiscounted
£m
Real
discount
rate
UK sites
82
91
1.4%
107
115
1.0%
US sites
2,011
2,340
2.0%
2,065
2,440
2.0%
2,093
2,431
2,172
2,555