| Reference | Document | Author | Year |
| TP01 | Adapting to Climate Change Through the Local Plan Background Paper | Portsmouth City Council | April 2021 |
| TP02 | Biodiversity and Portsmouth background paper | Portsmouth City Council | July 2021 |
| TP03 | Green Infrastructure background paper | Portsmouth City Council | July 2021 |
| TP04 | Residential Space Standards background paper | Portsmouth City Council | July 2021 |
| TP05 | Cultural, Creative and Visitor Economy Background Paper | Portsmouth City Council | December 2024 |
| TP06 | Affordable Housing Topic Paper | Portsmouth City Council | October 2025 |
| TP07 | Housing Background Paper | Portsmouth City Council | October 2025 |
| TP08 | Allocations Topic Paper | Portsmouth City Council | October 2025 |
| TP09 | Development and Flood Risk Topic Paper | Portsmouth City Council | November 2025 |
| TP10 | Tipner West Topic Paper | Portsmouth City Council | November 2025 |
| TP11 | Consistency with National Policy Topic Paper | Portsmouth City Council | November 2025 (minor update February 2026) |
| TP12 | Constraints Topic Paper | Portsmouth City Council | February 2026 |
| TP13 | Local Green Spaces Background Paper | Portsmouth City Council | February 2026 |
| TP14 | Thriving Economy Topic Paper | Portsmouth City Council | February 2026 |