| Applications Back-Office |
Internally facing service allowing for management of cases relating to Nationally Significant Infrastructure Projects (NSIPs) within England and Wales |
| Applications Front-Office |
External facing service providing ability to participate in the application process for Nationally Significant Infrastructure Projects (NSIPs) within England and Wales |
| GOV.UK |
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| Horizon |
Legacy back office system for managing planning applications and appeals |
| NI Database |
Persistant storage for legacy NI website content |
| Operational Data Warehouse (ODW) |
Holds all Planning Inspectorate data so that it can be used for internal purposes |