Charlton U21: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Matt Dench | Charlton U21 | Without Club | — |
| 2023-09-29 | Matt Dench | Charlton U21 | Billericay | Loan |
| 2023-07-01 | Zach Mitchell | Charlton U21 | Charlton | — |
| 2023-07-01 | Karoy Anderson | Charlton U21 | Charlton | — |
| 2023-01-17 | Karoy Anderson | Charlton U21 | Aldershot | Loan |
| 2022-07-01 | Zach Mitchell | Charlton U18 | Charlton U21 | — |
| 2022-07-01 | Tyreece Campbell | Charlton U21 | Charlton | — |
| 2022-07-01 | Richard Chin | Charlton U21 | Charlton | — |
| 2022-07-01 | Matt Dench | Charlton U18 | Charlton U21 | — |
| 2022-07-01 | Karoy Anderson | Charlton U18 | Charlton U21 | — |
| 2021-07-01 | Tyreece Campbell | Charlton U18 | Charlton U23 | — |
| 2021-07-01 | Richard Chin | Charlton U18 | Charlton U23 | — |
| 2019-07-08 | Jordan Zemura | Charlton U23 | Bournemouth U23 | Free |
| 2019-07-01 | Alfie Doughty | Charlton U21 | Charlton | — |
| 2018-10-19 | Alfie Doughty | Charlton U21 | Kingstonian FC | Loan |
| 2018-07-01 | Regan Charles-Cook | Charlton U23 | Gillingham | Free |
| 2018-07-01 | Jordan Zemura | Charlton U18 | Charlton U23 | — |
| 2018-07-01 | Alfie Doughty | Charlton U18 | Charlton U21 | — |
| 2018-03-08 | Regan Charles-Cook | Charlton U23 | Woking | Loan |
| 2017-09-01 | Regan Charles-Cook | Charlton U23 | Woking | Loan |