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| Specialist contracts | ||
| Trade contract | company | £m |
| Demolition | H Smith Engineers | 4.2 |
| Jet grouting and piling | Keller | 0.7 |
| Concrete substructure | John Doyle Construction | 4 |
| Roof steelwork and glazing | Waagner Biró | 10 |
| Mechanical installation | Sulza Infra | 6 |
| Electrical installation | NG Bailey | 3 |
| Facade restoration | St Blaise | 2.75 |
| Specialist restoration | ||
| and decoration | Hare & Humphreys | 1.6 |
| Stone cladding | Grants of Shoreditch | 3 |
| Stone paving | Grants of Shoreditch | 1.3 |