Swansea U18 (Premier League U18): every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Jacob Cook | Swansea U18 | Swansea City U21 | Free |
| 2025-07-01 | Player | Swansea U18 | Swansea City U21 | Free |
| 2024-07-01 | Player | Swansea U18 | Swansea City U21 | Free |
| 2024-07-01 | Kit Margetson | Swansea U18 | Swansea City U21 | Free |
| 2024-07-01 | Harlan Perry | Swansea U18 | Swansea City U21 | Free |
| 2024-07-01 | Arthur Parker | Swansea U18 | Swansea City U21 | Free |
| 2024-01-01 | Zane Myers | Swansea U18 | Millwall U21 | Free |
| 2023-08-16 | Sam Parker | Swansea U18 | Swansea City U21 | Free |
| 2023-07-01 | Filip Lissah | Swansea U18 | Swansea City U21 | Free |
| 2023-07-01 | Kyrell Wilson | Swansea U18 | Swansea City U21 | Free |
| 2023-07-01 | Charlie Veevers | Swansea U18 | Swansea City U21 | Free |
| 2023-07-01 | Player | Swansea U18 | Swansea City U21 | Free |
| 2023-07-01 | Evan Watts | Swansea U18 | Swansea City U21 | Free |
| 2022-07-01 | Ben Lloyd | Swansea U18 | Swansea City U21 | Free |
| 2022-07-01 | Joel Cotterill | Swansea U18 | Swansea City U21 | Free |
| 2022-07-01 | Player | Swansea U18 | TBC | Free |
| 2022-01-11 | Adrian Akande | Swansea U18 | Free | |
| 2022-01-11 | Player | Swansea U18 | TBC | Free |
| 2021-07-01 | Player | Swansea U18 | Swansea City U21 | Free |
| 2021-07-01 | Player | Swansea U18 | Swansea City U21 | Free |