| Non-current assets | — | — |
| Property, plant and equipment | 62.93a | 61.2a |
| Investment properties | 0.87a | 0.91a |
| Right-of-use assets | 4.69a | 4.76a |
| Interests in joint ventures | 17.26a | 17.66a |
| Interests in associates | 4.42a | 4.65a |
| Equity instruments designated at fair value through other comprehensive income | 0.46a | 0.38a |
| Goodwill | 4.78a | 4.91a |
| Other intangible assets | 4.82a | 5.02a |
| Deferred tax assets | 0.57a | 0.61a |
| Loans to a joint venture | 1.87a | 1.91a |
| Deposits for acquisition of assets | 0.35a | 0.41a |
| Total non-current assets | 103.01a | 102.42a |
| Current assets | — | — |
| Inventories | 1.4a | 1.49a |
| Trade and other receivables | 17.67a | 20.9a |
| Assets related to contract works | 2.72a | 2.73a |
| Pledged bank deposits and restricted cash | 0.14a | 0.36a |
| Bank balances and cash | 7.53a | 9.98a |
| Total current assets | 29.47a | 35.45a |
| Current liabilities | — | — |
| Trade and other payables | 29.99a | 35.87a |
| Contract liabilities | 8.84a | 9.57a |
| Government grants | 0.04a | 0.03a |
| Bank and other borrowings | 13.72a | 4.89a |
| Medium-term notes | 0.54a | 0a |
| Lease liabilities | 0.13a | 0.14a |
| Taxation payable | 0.57a | 0.6a |
| Total current liabilities | 53.84a | 51.11a |
| Net current liabilities | -24.37a | -15.66a |
| Total assets less current liabilities | 78.65a | 86.76a |
| Equity | — | — |
| Share capital | 0.23a | 0.23a |
| Reserves | 40.94a | 40.54a |
| Equity attributable to owners of the Company | 41.17a | 40.77a |
| Non-controlling interests | 22.8a | 22.61a |
| Total equity | 63.97a | 63.38a |
| Non-current liabilities | — | — |
| Government grants | 0.77a | 0.82a |
| Bank and other borrowings | 8.74a | 17.28a |
| Lease liabilities | 0.39a | 0.33a |
| Medium-term notes | 0a | 0.55a |
| Other long-term liabilities | 1.85a | 1.36a |
| Deferred tax liabilities | 2.92a | 3.04a |
| Total non-current liabilities | 14.67a | 23.38a |