| 1 | Sat 17 Nov 2012 | 1-0 v Salisbury CityWelling United 1-0 Salisbury City | Blue Square Bet South |
| 2 | Tue 27 Nov 2012 | 5-2 v Billericay TownWelling United 5-2 Billericay Town | Blue Square Bet South |
| 3 | Sat 1 Dec 2012 | 3-1 v EastleighEastleigh 1-3 Welling United | Blue Square Bet South |
| 4 | Tue 4 Dec 2012 | 3-1 v BromleyWelling United 3-1 Bromley | Blue Square Bet South |
| 5 | Sat 8 Dec 2012 | 3-0 v Hayes & Yeading UnitedWelling United 3-0 Hayes & Yeading United | Blue Square Bet South |
| 6 | Tue 1 Jan 2013 | 4-0 v AFC HornchurchWelling United 4-0 AFC Hornchurch | Blue Square Bet South |
| 7 | Sat 5 Jan 2013 | 4-3 v Truro CityWelling United 4-3 Truro City | Blue Square Bet South |
| 8 | Sat 26 Jan 2013 | 1-0 v Basingstoke TownBasingstoke Town 0-1 Welling United | Blue Square Bet South |
| 9 | Tue 19 Feb 2013 | 2-0 v FarnboroughWelling United 2-0 Farnborough | Blue Square Bet South |
| 10 | Sat 23 Feb 2013 | 0-2 v Weston-super-MareWeston-super-Mare 2-0 Welling United | Blue Square Bet South |
| 11 | Sat 2 Mar 2013 | 3-2 v Maidenhead UnitedWelling United 3-2 Maidenhead United | Blue Square Bet South |
| 12 | Sat 9 Mar 2013 | 1-1 v Basingstoke TownWelling United 1-1 Basingstoke Town | Blue Square Bet South |
| 13 | Tue 12 Mar 2013 | 4-1 v Tonbridge AngelsWelling United 4-1 Tonbridge Angels | Blue Square Bet South |
| 14 | Tue 19 Mar 2013 | 0-1 v Bath CityBath City 1-0 Welling United | Blue Square Bet South |
| 15 | Sat 23 Mar 2013 | 3-0 v Truro CityTruro City 0-3 Welling United | Blue Square Bet South |
| 16 | Mon 1 Apr 2013 | 3-0 v Eastbourne BoroughEastbourne Borough 0-3 Welling United | Blue Square Bet South |
| 17 | Sat 6 Apr 2013 | 1-2 v Salisbury CitySalisbury City 2-1 Welling United | Blue Square Bet South |
| 18 | Tue 9 Apr 2013 | 2-2 v Staines TownStaines Town 2-2 Welling United | Blue Square Bet South |
| 19 | Sat 13 Apr 2013 | 4-1 v Weston-super-MareWelling United 4-1 Weston-super-Mare | Blue Square Bet South |
| 20 | Sat 20 Apr 2013 | 1-1 v Boreham WoodBoreham Wood 1-1 Welling United | Blue Square Bet South |
| 21 | Sat 27 Apr 2013 | 1-1 v EastleighWelling United 1-1 Eastleigh | Blue Square Bet South |
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