| River Route | Cost (Jan 2000) | Source | |
| Item: | |||
| Complete Whitminster Lock | 100,000 | Bridge=Atkins, guiliotine=quotes | |
| Connection to River | 25,000 | Atkins=£9k, seems low | |
| River from connection to Latham Aqueduct site | 60,000 | Atkins | |
| Latham to Fromebridge weir | 140,000 | Atkins, bridge £50k, river £73k | |
| MOD pipeline | 87,000 | Atkins + estimates from BPA | |
| Bridge at Fromebridge | 35,000 | Atkins | |
| Removal of Fromebridge Weir | 100,000 | Educated guess | |
| Excavation river from Fromebridge to A38 | 150,000 | Atkins=£101k for new separate channel | |
| Construction of deep channel under A38 | 440,000 | Halcrow Jan 2000 | |
| Excavation A38 to M5 | 150,000 | Educated guess | |
| Lower water and gas pipes | 160,000 | Atkins=£111k without extra depth | |
| Deepen Channel under M5 | 250,000 | Educated guess | |
| New Lock and Weir (2.7m lock rise) | 200,000 | Atkins=£250k (thought to be high) | |
| New canal from New Lock to Westfield Bridge | 200,000 | Atkins=£164k for shorter | |
| Total: | 1,997,000 | ||