| Clearing walls of vegetation | 5,000 |
| Consolidation at base of curtain walls | 10,000 |
| Taking down areas of loose stone, rebedding and making up deficiencies with imported stone | 75,000 |
| Filling voids with imported stone | 60,000 |
| Rebuilding areas of collapsed walls with existing stone and making up deficiencies with imported stone | 10,000 |
| Lintel replacement and consolidation | 25,000 |
| Stitching and repairing cracks | 5,000 |
| Raking out loose mortar, repointing in lime mortar to recommended specification including: galleting where necessary to reduce thickness of bed joint and additional cost of raking out areas previously stabilised with incorrect cement mortar | 190,000 |
| Consolidation of wall heads | 80,000 |
| Stone slabbing to wall walks | 25,000 |
| Preliminaries | 265,000 |
|
Subtotal |
£750,000 |
| Contingency allowance say | 250,000 |
|
Total |
£1,000,000 |