Birmingham U18: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Brandon Khela | Birmingham U18 | Birmingham | — |
| 2022-09-23 | Jobe Bellingham | Birmingham U18 | Birmingham | — |
| 2021-07-01 | Jordan James | Birmingham U18 | Birmingham | — |
| 2021-07-01 | Jobe Bellingham | Birmingham Aca. | Birmingham U18 | — |
| 2021-07-01 | Brandon Khela | Birmingham Aca. | Birmingham U18 | — |
| 2020-07-01 | Jordan James | Birmingham Aca. | Birmingham U18 | — |
| 2019-07-01 | Jude Bellingham | Birmingham U18 | Birmingham | — |
| 2018-07-01 | Caolan Boyd-Munce | Birmingham U18 | Birmingham U23 | — |
| 2016-07-01 | Ronan Hale | Birmingham U18 | Birmingham U23 | — |
| 2016-07-01 | Caolan Boyd-Munce | Glentoran U18 | Birmingham U18 | — |
| 2015-07-01 | Viv Solomon-Otabor | Birmingham U18 | Birmingham | — |
| 2015-07-01 | Tom Lang | Birmingham U18 | Rangers U20 | Free |
| 2015-07-01 | Ronan Hale | Cliftonv. U18 | Birmingham U18 | — |
| 2014-07-01 | Demarai Gray | Birmingham U18 | Birmingham | — |
| 2014-02-28 | Viv Solomon-Otabor | Birmingham U18 | Oxford City | Loan |
| 2012-07-01 | Viv Solomon-Otabor | Palace U18 | Birmingham U18 | — |
| 2012-07-01 | Demarai Gray | Birmingham Aca. | Birmingham U18 | — |
| 2011-07-01 | Nathan Redmond | Birmingham U18 | Birmingham | — |
| 2011-07-01 | Jack Butland | Birmingham U18 | Birmingham | — |
| 2011-07-01 | Eddy Gnahoré | Birmingham U18 | Birmingham U21 | — |