| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Cobh Ramblers | First Division | 5 | 0 | 0 | 0 | 0 | – |
| 2024 | HK | Besta deild | 25 | 1 | 0 | 5 | 0 | – |
| 2023/2024 | Hampton & Richmond | National League N / S | 2 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Derby County U21 | Premier League 2 | 0 | 0 | 0 | 0 | 0 | – |
| 2023/2024 | Braintree Town | National League N / S | 1 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Derby County U21 | Premier League Cup | 0 | 0 | 0 | 0 | 0 | – |
| 2022/2023 | Cheshunt | National League N / S | 2 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Derby County U23 | Premier League 2 | 1 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Chelsea U23 | Premier League 2 | 15 | 1 | 0 | 3 | 0 | – |
| 2021/2022 | Chelsea U18 | U18 Premier League | 0 | 0 | 0 | 0 | 0 | – |
| 2020/2021 | Chelsea U23 | Premier League 2 | 19 | 2 | 0 | 1 | 0 | – |
| 2020/2021 | Chelsea U18 | U18 Premier League | 0 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Chelsea U23 | Premier League 2 | 4 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | Chelsea U18 | U18 Premier League | 13 | 5 | 0 | 2 | 0 | – |
| 2018/2019 | Chelsea U23 | Premier League 2 | 1 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Chelsea U18 | U18 Premier League | 21 | 9 | 0 | 3 | 0 | – |
| Total | 109 | 18 | 0 | 14 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 04 Jun 2024 | Hampton & Richmond | HK | Free Transfer | |
| 03 Jun 2025 | HK | Cobh Ramblers | Transfer |
G. Nunn career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.