2018/19 2017/18 2016/17 2015/16 2014/15 2013/14 2012/13 2011/12
Promotion ~ Premier League
Relegation
2017/18
| Pl | W | D | L | Diff | Pts | |||
| 1 | Llanelli | 30 | 24 | 3 | 3 | 87:33 | 54 | 75 |
| 2 | Haverfordwest | 30 | 19 | 3 | 8 | 65:37 | 28 | 60 |
| 3 | Penybont | 30 | 18 | 6 | 6 | 64:37 | 27 | 57 |
| 4 | Cambrian & Clydach | 30 | 17 | 3 | 10 | 58:39 | 19 | 54 |
| 5 | Afan Lido | 30 | 15 | 4 | 11 | 61:48 | 13 | 49 |
| 6 | Goytre AFC | 30 | 15 | 3 | 12 | 51:62 | -11 | 48 |
| 7 | Goytre Utd | 30 | 13 | 8 | 9 | 53:52 | 1 | 47 |
| 8 | Cwmbran Celtic | 30 | 14 | 4 | 12 | 67:51 | 16 | 46 |
| 9 | Undy | 30 | 13 | 5 | 12 | 62:60 | 2 | 44 |
| 10 | Taffs Well | 30 | 11 | 5 | 14 | 52:48 | 4 | 38 |
| 11 | Briton Ferry | 30 | 10 | 7 | 13 | 58:64 | -6 | 37 |
| 12 | Cwmamman United | 30 | 8 | 6 | 16 | 38:59 | -21 | 30 |
| 13 | Port Talbot | 30 | 9 | 11 | 10 | 58:53 | 5 | 29 |
| 14 | Monmouth | 30 | 7 | 4 | 19 | 44:73 | -29 | 25 |
| 15 | Caerau Ely | 30 | 5 | 3 | 22 | 32:78 | -46 | 18 |
| 16 | Ton Pentre | 30 | 1 | 7 | 22 | 26:82 | -56 | 10 |
Promotion ~ Premier League
Relegation
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