| Date of Accounts | 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Standard | IFRS | IFRS | IFRS | IFRS | IFRS |
| Millions | Millions | Millions | Millions | Millions | |
| Income Statement | 30-03-2026 | 30-03-2025 | 31-03-2024 | 30-03-2023 | 30-03-2022 |
| Revenue | 2,616.30 | 2,145.20 | 1,949.50 | 1,804.20 | 1,862.70 |
| Operating Profit / Loss | 1,099.40 | 631.50 | 480.20 | 440.80 | 610.00 |
| Net Interest | -315.80 | -265.70 | -389.30 | -262.70 | -168.40 |
| Pre Tax Profit | 779.00 | 355.00 | 170.00 | 256.30 | 439.90 |
| Post Tax Profit | 586.80 | 264.70 | 126.90 | 204.90 | -56.80 |
| Profit for the Period | 586.80 | 264.70 | 126.90 | 204.90 | -56.80 |
| Equity Holders of Parent Company | 586.80 | 264.70 | 126.90 | 204.90 | -56.80 |
| Minority Interests | n/a | n/a | n/a | n/a | n/a |
| Continuing EPS | |||||
| Earnings per Share (Basic) | 86.10p | 38.80p | 18.60p | 30.00p | -8.30p |
| Earnings per Share (Diluted) | 85.80p | 38.70p | 18.60p | 30.00p | -8.30p |
| Earnings per Share (Adjusted) | 107.10p | 75.30p | 33.30p | -1.30p | 53.80p |
| Continuing and Discontinued EPS | |||||
| Earnings per Share (Basic) | 86.10p | 38.80p | 18.60p | 30.00p | -8.30p |
| Earnings per Share (Diluted) | 85.80p | 38.70p | 18.60p | 30.00p | -8.30p |
| Earnings per Share (Adjusted) | 107.10p | 75.30p | 33.30p | -1.30p | 53.80p |
| Dividend per Share | 53.66p | 51.85p | 49.78p | 45.51p | 43.50p |
| Millions | Millions | Millions | Millions | Millions | |
| Balance Sheet | 30-03-2026 | 30-03-2025 | 31-03-2024 | 30-03-2023 | 30-03-2022 |
| Non-Current Assets | |||||
| Intangible Assets | 119.90 | 105.80 | 124.50 | 142.30 | 160.80 |
| Property, Plant and Equipment | 15,084.00 | 13,873.00 | 13,044.30 | 12,570.70 | 12,147.50 |
| Investments | n/a | 1.60 | 12.40 | 16.50 | 16.60 |
| Investment Properties | n/a | n/a | n/a | n/a | n/a |
| Other Financial Assets | 0.00 | 0.00 | 361.50 | 428.60 | 399.40 |
| Other Non-Current Assets | 699.50 | 705.20 | 341.70 | 677.70 | 1,098.90 |
| Total Non-Current Assets | 15,903.40 | 14,685.60 | 13,884.40 | 13,835.80 | 13,823.20 |
| Current Assets | |||||
| Inventories | 9.10 | 24.60 | 21.50 | 13.10 | 17.80 |
| Trade and Other Receivables | 333.30 | 282.00 | 226.80 | 190.50 | 222.70 |
| Cash at Bank and in Hand | 1,794.30 | 1,672.60 | 1,399.30 | 340.40 | 240.90 |
| Current Asset Investments | n/a | n/a | n/a | n/a | n/a |
| Other Current Assets | 86.90 | 104.70 | 121.40 | 147.40 | 132.40 |
| Total Current Assets | 2,223.60 | 2,083.90 | 1,769.00 | 691.40 | 613.80 |
| Other Assets | n/a | n/a | n/a | n/a | n/a |
| Total Assets | 18,127.00 | 16,769.50 | 15,653.40 | 14,527.20 | 14,437.00 |
| Current Liabilities | |||||
| Borrowings | 164.90 | 462.10 | 655.60 | 176.40 | 308.80 |
| Other Current Liabilities | 707.20 | 613.80 | 452.20 | 399.50 | 379.80 |
| Total Current Liabilities | 872.10 | 1,075.90 | 1,107.80 | 575.90 | 688.60 |
| Net Current Assets | n/a | n/a | n/a | n/a | n/a |
| Non-Current Liabilities | |||||
| Borrowings | 11,325.70 | 10,326.50 | 9,345.80 | 8,259.00 | 7,671.00 |
| Provisions | 2,216.90 | 2,028.40 | 1,930.60 | 2,048.10 | 2,148.10 |
| Other Non-Current Liabilities | 1,470.90 | 1,338.80 | 1,213.10 | 1,135.50 | 971.90 |
| Total Non-Current Liabilities | 15,013.50 | 13,693.70 | 12,489.50 | 11,442.60 | 10,791.00 |
| Net Assets | 2,241.40 | 1,999.90 | 2,056.10 | 2,508.70 | 2,957.40 |
| Capital and Reserves | |||||
| Share Capital | 499.80 | 499.80 | 499.80 | 499.80 | 499.80 |
| Share Premium Account | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 |
| Other Reserves | 340.50 | 319.20 | 311.10 | 353.40 | 416.20 |
| Retained Earnings | 1,398.20 | 1,178.00 | 1,242.30 | 1,652.60 | 2,038.50 |
| Shareholders Funds | 2,241.40 | 1,999.90 | 2,056.10 | 2,508.70 | 2,957.40 |
| Minority Interests / Other Equity | n/a | n/a | n/a | n/a | n/a |
| Total Equity | 2,241.40 | 1,999.90 | 2,056.10 | 2,508.70 | 2,957.40 |
| 30-03-2026 | 30-03-2025 | 31-03-2024 | 30-03-2023 | 30-03-2022 | |
| Operating Margin | 42.02% | 29.44% | 24.63% | 24.43% | 32.75% |
| Return on Capital Employed | 6.92% | 4.22% | 4.03% | 4.04% | 4.71% |
| Dividend Cover | 2.00 | 1.45 | 0.67 | -0.03 | 1.24 |
| Dividend Yield | 4.10 | 5.10 | 4.80 | 4.30 | 3.90 |
| PE Ratio | 12.30 | 13.40 | 30.90 | n/a | 20.90 |
| PEG | 0.30 | 0.10 | n/a | n/a | n/a |
| Dividend per Share Growth | 3.49% | 4.16% | 9.38% | 4.62% | 0.60% |
| Net Asset Value per Share | 285.58p | 254.97p | 283.27p | 347.04p | 410.13p |