Forest City 1 Cambridgeshire: metro, SMR and desalination risks for engineers
Reviewed by Joe Ashwell

First reported on New Civil Engineer
30 Second Briefing
Plans for Forest City 1 (FC1), a proposed new urban hub in Cambridgeshire, envisage a dedicated metro system, a small modular reactor (SMR) for local low‑carbon power, and a coastal desalination plant to balance its water demand. The concept implies substantial new linear infrastructure, with metro corridors and power and water transmission routes needing early safeguarding in predominantly rural, low‑lying ground. For engineers, the combination of SMR siting, long water pipelines from the coast, and potential tunnelling for metro alignments will drive geotechnical risk, consents strategy and upfront capital costs.
Technical Brief
- FC1 backers indicate metro, SMR and desalination are all pre‑requisites, not optional enhancements.
- Promoter positions FC1 as a single large new settlement, not incremental expansion of existing towns.
- Cambridgeshire’s flat, low‑lying topography implies long, shallow‑gradient corridors for both rail and pipelines.
- Agricultural land take and severance along linear corridors will drive early land assembly and compensation strategy.
- For similar UK new‑town concepts, early safeguarding of multi‑utility corridors is becoming a central planning test.
Our Take
Cambridgeshire rarely features in our 880-item Infrastructure corpus for city-scale greenfield schemes, so Forest City 1 would sit at the more experimental end of UK planning compared with the incremental upgrades that dominate coverage.
New Civil Engineer’s recent webinars on BIM, common data environments and digital handover suggest any FC1 metro and SMR–desalination assets would be under pressure to adopt tightly integrated digital delivery from the outset to avoid lifecycle data gaps.
With 2,358 tag-matched ‘Projects’ and ‘Sustainability’ pieces in our database, FC1’s combination of transport, nuclear-derived power and water infrastructure would place it among a small subset of UK schemes attempting multi-utility decarbonisation in a single masterplan.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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