Home History
| England National League South | 2021/09/04 14:00 | Welling v Slough | D | 2-2 |
| England National League South | 2021/08/30 14:00 | Welling v Concord Rangers | W | 2-1 |
| England National League South | 2021/08/28 14:00 | St Albans v Welling | L | 5-0 |
| England National League South | 2021/08/21 14:00 | Welling v Hungerford Town | L | 1-4 |
| England National League South | 2021/08/14 14:00 | Havant and W v Welling | L | 3-0 |
| Club Friendly List | 2021/08/07 12:00 | Welling v Bromley | L | 1-2 |
| Club Friendly List | 2021/08/03 18:45 | Cray Wanderers v Welling | D | 2-2 |
| World Club Friendlies | 2021/07/31 14:00 | Cray Valley Paper Mills v Welling | D | 1-1 |
Away History
| England Southern Premier League South | 2021/09/14 18:45 | Farnborough v Harrow Borough | W | 1-3 |
| England Southern Premier League South | 2021/09/11 14:00 | Harrow Borough v Weston Super Mare | W | 1-0 |
| England FA Cup | 2021/09/04 14:00 | Harrow Borough v Ramsgate | W | 4-2 |
| England Southern Premier League South | 2021/08/30 14:00 | Hendon v Harrow Borough | L | 1-0 |
| England Southern Premier League South | 2021/08/28 14:00 | Harrow Borough v Poole Town | L | 0-4 |
| England Southern Premier League South | 2021/08/21 14:00 | Salisbury FC v Harrow Borough | L | 2-1 |
| England Southern Premier League South | 2021/08/17 18:30 | Hartley Wintney v Harrow Borough | W | 0-3 |
| England Southern Premier League South | 2021/08/14 14:00 | Harrow Borough v Yate Town | L | 1-2 |