Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 06/2021 |  | Tom Daws | G-AN | |||
| 02/2021 | | Shayon Harrison | FW |  | Almere City FC | Almere City FC |
| 02/2021 | | Ethan Sutcliffe | DF |  | AFC Wimbledon U18 | U18 |
| 01/2021 | | Corie Andrews | FW |  | Kingstonian FC | Kingstonian |
| 01/2021 | | Mark Robinson | MA | |||
| 01/2021 | | Darnell Johnson | DF |  | Leicester City U21 | Leicester U21 |
| 01/2021 | | George Dobson | MF |  | Sunderland AFC | Sunderland |
| 01/2021 | | Sam Walker | GK |  | Reading FC | Reading FC |
| 11/2020 | | Ben Heneghan | DF | |||
| 09/2020 | | Steve Seddon | DF |  | Birmingham City | Birmingham |
| 09/2020 | | Matthew Cox | GK | | AFC Wimbledon U18 | U18 |
| 09/2020 |  | Dániel Csóka | DF |  | Wolverhampton Wanderers U21 | Wolverhamp. U21 |
| 08/2020 |  | Jaakko Oksanen | MF |  | Brentford FC | Brentford |
| 08/2020 |  | Ethan Chislett | MF |  | Aldershot Town | Aldershot |
| 08/2020 | | Ollie Palmer | FW |  | Crawley Town | Crawley Town |
| 08/2020 | | Alex Woodyard | MF | |||
| 08/2020 | | Connal Trueman | GK | | Birmingham City | Birmingham |
| 07/2020 |  | Cheye Alexander | DF |  | Barnet FC | Barnet |
| 07/2020 | | Ryan Longman | FW |  | Brighton & Hove Albion U21 | Brighton U21 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2021 | | Zach Robinson | FW |  | Woking FC | Woking FC |
| 02/2021 | | Huseyin Biler | DF |  | Tonbridge Angels | Tonbridge Angels |
| 01/2021 | | Anthony Hartigan | MF |  | Newport County | Newport County |
| 01/2021 |  | Adam Roscrow | FW |  | The New Saints | The New Saints |
| 01/2021 | | Connal Trueman | GK | | Birmingham City | Birmingham |
| 01/2021 | | Steve Seddon | DF | | Birmingham City | Birmingham |
| 10/2020 |  | Kwesi Appiah | FW |  | NorthEast United FC | NE United |
| 09/2020 | | Ossama Ashley | MF |  | West Ham United U21 | West Ham U21 |
| 08/2020 | | Scott Wagstaff | MF |  | Forest Green Rovers | Forest Green |
| 08/2020 | | Rod McDonald | DF |  | Carlisle United | Carlisle United |
| 08/2020 | | Nathan Trott | GK |  | West Ham United | West Ham |
| 08/2020 |  | Mads Bech Sørensen | DF | | Brentford FC | Brentford |
| 08/2020 | | Tony Wordsworth | MF | | Barnet FC | Barnet |