| 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 | 2,831.00 | 2,427.00 | 2,338.20 | 2,165.10 | 1,943.30 |
| Operating Profit / Loss | 861.00 | 590.00 | 511.80 | 508.80 | 506.20 |
| Net Interest | -302.00 | -244.00 | -281.50 | -362.60 | -269.40 |
| Pre Tax Profit | 524.00 | 320.00 | 201.30 | 167.90 | 274.10 |
| Post Tax Profit | 371.00 | 229.00 | 140.20 | 132.20 | -87.20 |
| Profit for the Period | 371.00 | 229.00 | 140.20 | 132.20 | -87.20 |
| Equity Holders of Parent Company | 371.00 | 229.00 | 140.20 | 132.20 | -87.20 |
| Minority Interests | n/a | n/a | n/a | n/a | n/a |
| Continuing EPS | |||||
| Earnings per Share (Basic) | 123.50p | 76.60p | 51.00p | 52.70p | -35.20p |
| Earnings per Share (Diluted) | 123.10p | 76.40p | 50.90p | 52.50p | -35.20p |
| Earnings per Share (Adjusted) | 184.40p | 112.10p | 79.40p | 58.20p | 96.10p |
| Continuing and Discontinued EPS | |||||
| Earnings per Share (Basic) | 123.50p | 76.60p | 51.00p | 52.70p | -35.20p |
| Earnings per Share (Diluted) | 123.10p | 76.40p | 50.90p | 52.50p | -35.20p |
| Earnings per Share (Adjusted) | 184.40p | 112.10p | 79.40p | 58.20p | 96.10p |
| Dividend per Share | 126.02p | 121.71p | 116.84p | 106.82p | 102.14p |
| 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 | 376.00 | 324.00 | 299.30 | 278.60 | 271.00 |
| Property, Plant and Equipment | 15,225.00 | 13,453.00 | 11,915.60 | 10,846.20 | 10,338.30 |
| Investments | n/a | 2.00 | 12.40 | 16.50 | 16.50 |
| Investment Properties | n/a | n/a | n/a | n/a | n/a |
| Other Financial Assets | 99.00 | 60.00 | 71.20 | 82.30 | 0.00 |
| Other Non-Current Assets | 72.00 | 96.00 | 94.60 | 94.10 | 140.80 |
| Total Non-Current Assets | 15,772.00 | 13,935.00 | 12,393.10 | 11,317.70 | 10,766.60 |
| Current Assets | |||||
| Inventories | 48.00 | 43.00 | 40.10 | 35.40 | 32.00 |
| Trade and Other Receivables | 933.00 | 878.00 | 817.30 | 760.80 | 612.60 |
| Cash at Bank and in Hand | 796.00 | 1,048.00 | 953.20 | 34.20 | 115.40 |
| Current Asset Investments | n/a | n/a | n/a | n/a | n/a |
| Other Current Assets | 22.00 | 6.00 | n/a | 0.50 | 27.60 |
| Total Current Assets | 1,799.00 | 1,975.00 | 1,810.60 | 830.90 | 787.60 |
| Other Assets | n/a | n/a | n/a | n/a | n/a |
| Total Assets | 17,571.00 | 15,910.00 | 14,203.70 | 12,148.60 | 11,554.20 |
| Current Liabilities | |||||
| Borrowings | 366.00 | 533.00 | 67.90 | 317.40 | 365.20 |
| Other Current Liabilities | 929.00 | 912.00 | 779.50 | 772.80 | 693.90 |
| Total Current Liabilities | 1,295.00 | 1,445.00 | 847.40 | 1,090.20 | 1,059.10 |
| Net Current Assets | n/a | n/a | n/a | n/a | n/a |
| Non-Current Liabilities | |||||
| Borrowings | 10,618.00 | 9,164.00 | 8,195.30 | 6,986.20 | 6,365.90 |
| Provisions | 1,677.00 | 1,521.00 | 1,394.10 | 1,325.60 | 1,342.50 |
| Other Non-Current Liabilities | 2,114.00 | 2,009.00 | 1,932.90 | 1,776.00 | 1,522.80 |
| Total Non-Current Liabilities | 14,409.00 | 12,694.00 | 11,522.30 | 10,087.80 | 9,231.20 |
| Net Assets | 1,841.00 | 1,771.00 | 1,834.00 | 970.60 | 1,263.90 |
| Capital and Reserves | |||||
| Share Capital | 297.00 | 296.00 | 295.40 | 249.10 | 248.10 |
| Share Premium Account | 1,392.00 | 1,378.00 | 1,363.10 | 408.70 | 394.40 |
| Other Reserves | 186.00 | 175.00 | 167.60 | 150.30 | 148.40 |
| Retained Earnings | -34.00 | -78.00 | 7.90 | 162.50 | 473.00 |
| Shareholders Funds | 1,841.00 | 1,771.00 | 1,834.00 | 970.60 | 1,263.90 |
| Minority Interests / Other Equity | n/a | n/a | n/a | n/a | n/a |
| Total Equity | 1,841.00 | 1,771.00 | 1,834.00 | 970.60 | 1,263.90 |
| 30-03-2026 | 30-03-2025 | 31-03-2024 | 30-03-2023 | 30-03-2022 | |
| Operating Margin | 30.41% | 24.31% | 21.89% | 23.50% | 26.05% |
| Return on Capital Employed | 5.85% | 4.45% | 4.31% | 5.69% | 5.99% |
| Dividend Cover | 1.46 | 0.92 | 0.68 | 0.54 | 0.94 |
| Dividend Yield | 4.10 | 4.80 | 4.70 | 3.70 | 3.30 |
| PE Ratio | 16.80 | 22.60 | 31.10 | 49.50 | 32.00 |
| PEG | 0.30 | 0.60 | 0.90 | n/a | n/a |
| Dividend per Share Growth | 3.54% | 4.17% | 9.38% | 4.58% | 0.55% |
| Net Asset Value per Share | 485.43p | 479.46p | 509.71p | 229.83p | 329.77p |