Before (end of 2011) (64 seats, Elections Centre)
Labour 37 · Other 12 · Plaid Cymru - The Party of Wales 11 · Liberal Democrats 4 · Conservative 0
After (end of 2012) (64 seats, Elections Centre)
Labour 52 · Plaid Cymru - The Party of Wales 8 · Other 4 · Conservative 0 · Liberal Democrats 0
Ward results
Aberdulais1 seat
| Doreen Jones | Labour | 431 ✓ |
| Ken Thomas | PC | 290 |
Allt-Wen1 seat
| Dean Lewis | Labour | 463 ✓ |
| Huw Evans | PC | 210 |
Baglan3 seats
| Peter Richards | Labour | 1,190 ✓ |
| Carol Clement | Labour | 1,038 ✓ |
| Paul Greenaway | Labour | 906 ✓ |
| David Coslett | — | 881 |
| John Tallamy | — | 862 |
| Mike Lewis | — | 861 |
| TJ Morgan | Conservative | 186 |
Blaengwrach1 seat
| Alf Siddley | Labour | 363 ✓ |
| Joan Bodman | PC | 290 |
Briton Ferry East1 seat
| Colin Morgan | Labour | 0 ✓ |
Briton Ferry West1 seat
| Hugh Newton James | Labour | 0 ✓ |
Bryn & Cwmavon3 seats
| David Williams | Labour | 1,321 ✓ |
| Marian Lewis | Labour | 1,167 ✓ |
| Dave Whitelock | Labour | 987 ✓ |
| Brinley Roblin | Independent | 631 |
| Vincent Williams | — | 500 |
| David Shepherd | — | 358 |
Bryn-côch North1 seat
| John Bryant | PC | 677 ✓ |
| Sion Griffiths | Labour | 178 |
Bryn-côch South2 seats
| Rob James | Labour | 856 ✓ |
| Jackie Dudley | PC | 825 ✓ |
| Tony Wyn-Jones | PC | 744 |
| Andrew John Jenkins | Labour | 703 |
Cadoxton1 seat
| Annette Wingrave | Labour | 296 ✓ |
| Frank Little | Liberal Democrats | 185 |
Cimla2 seats
| John Warman | Labour | 949 ✓ |
| Alan Carter | Labour | 706 ✓ |
| Desmond Sparkes | Liberal Democrats | 226 |
| John Williams | — | 183 |
Coedffranc Central2 seats
| Arthur Davies | Labour | 616 ✓ |
| Paula Bebell | Labour | 382 ✓ |
| Betsan Richards | Independent | 297 |
| Lee Saunders | NPTIP | 206 |
| Pauline Fellowes | PC | 125 |
| Russell Morris | PC | 90 |
Coedffranc North1 seat
| Mike Harvey | Labour | 451 ✓ |
| Keith Davies | Liberal Democrats | 268 |
Coedffranc West1 seat
| Harry Bebell | Labour | 406 ✓ |
| Helen Ceri Clarke | Liberal Democrats | 317 |
Crynant1 seat
| Karen Elizabeth Pearson | Labour | 370 ✓ |
| William Morgan | PC | 280 |
Cwmllynfell1 seat
| Clifford Richards | Labour | 348 ✓ |
| David James | PC | 110 |
Cymmer1 seat
| Scott Jones | Labour | 0 ✓ |
Dyffryn1 seat
| Martyn Peters | PC | 1,000 ✓ |
| Peter Jaques | Conservative | 78 |
Glyncorrwg1 seat
| Gareth Rawlings | Labour | 271 ✓ |
| Lindsay Milsom | NPTIP | 201 |
Glynneath2 seats
| Del Morgan | PC | 711 ✓ |
| Eddie Jones | Labour | 593 ✓ |
| Horace Lewis | PC | 534 |
| Chris Pavett | Labour | 529 |
Godre'r Graig1 seat
| Rosalyn Davies | PC | 300 ✓ |
| Jackie Myers | Labour | 286 |
Gwaun-Cae-Gurwen1 seat
| Lynda Williams | Labour | 484 ✓ |
| Ron Williams | PC | 352 |
Gwynfi1 seat
| Ralph Thomas | Labour | 502 ✓ |
| Jane Jones | Independent | 153 |
Lower Brynamman1 seat
| Arwyn Nigel Woolcock | Labour | 0 ✓ |
Margam1 seat
| Rob Jones | Labour | 402 ✓ |
| Scott Sullivan | NPTIP | 166 |
| George Ridgeway | SDP | 129 |
| Caroline Jones | Conservative | 110 |
| Mathew McCarthy | Liberal Democrats | 61 |
Neath East3 seats
| Sheila Penry | Labour | 905 ✓ |
| Jack Miller | Labour | 826 ✓ |
| Sandra Miller | Labour | 808 ✓ |
| Breandan Mac Cathail | PC | 452 |
| Gareth Thomas | PC | 391 |
| Philippa Richards | PC | 365 |
Neath North2 seats
| Alan Lockyer | Labour | 709 ✓ |
| Mark Protheroe | Labour | 628 ✓ |
| Dai Howells | — | 341 |
| Basil Ip | Conservative | 188 |
Neath South2 seats
| Peter Rees | Labour | 718 ✓ |
| Malcolm Gunter | Labour | 665 ✓ |
| Helen Morgan | NPTIP | 207 |
| David Morgan | NPTIP | 190 |
| Robert Parry | PC | 153 |
| Chris Williams | PC | 146 |
Onllwyn1 seat
| Ali Thomas | Labour | 328 ✓ |
| Carolyn Edwards | PC | 96 |
Pelenna1 seat
| Martin Ellis | Independent | 252 ✓ |
| Jeremy Hurley | PC | 227 |
| Kelvin George | Labour | 64 |
Pontardawe2 seats
| Linet Purcell | PC | 911 ✓ |
| Mike James | Labour | 729 ✓ |
| Sue Northcott | PC | 675 |
| Vince Hotten | Labour | 612 |
Port Talbot3 seats
| Ian James | Labour | 831 ✓ |
| Dennis Keogh | Labour | 782 ✓ |
| Saifur Rahaman | Labour | 707 ✓ |
| Andrew Tutton | NPTIP | 592 |
| Marge Jones | NPTIP | 528 |
| Stephen Griffiths | NPTIP | 479 |
| Keith Miller | Conservative | 107 |
Resolven1 seat
| David Davies | Labour | 729 ✓ |
| Helen Williams | PC | 278 |
Rhos1 seat
| Alex Thomas | Labour | 393 ✓ |
| Matthew Spooner | PC | 265 |
| David Atkins | Independent | 223 |
Sandfields East3 seats
| Lella James | Independent | 1,116 ✓ |
| Ted Latham | Labour | 1,041 ✓ |
| Collin Crowley | Labour | 879 ✓ |
| Pat Jones | Labour | 750 |
| Captain Beany | NPTIP | 669 |
| Len Willis | Independent | 622 |
Sandfields West3 seats
| Audrey Chaves | Labour | 1,173 ✓ |
| James Evans | Labour | 1,088 ✓ |
| Suzanne Paddison | Labour | 1,078 ✓ |
| Keith Suter | NPTIP | 377 |
| Oliver Davies | NPTIP | 368 |
| Joan Targett | — | 363 |
| Olga Jones | Independent | 242 |
| Wayne Morris | SDP | 219 |
Seven Sisters1 seat
| Steve Hunt | Independent | 764 ✓ |
| Jako Davies | Labour | 241 |
Tai-bach2 seats
| John Mayers Rogers | Labour | 1,138 ✓ |
| Anthony Taylor | Labour | 942 ✓ |
| Leslie Davies | NPTIP | 494 |
Tonna1 seat
| Cari Morgans | Labour | 558 ✓ |
| Bill Walters | Independent | 328 |
Trebanos1 seat
| Rebeca Lewis | PC | 302 ✓ |
| Andrea Davies | Labour | 166 |
| Jonathan Jones | NPTIP | 53 |
Ystalyfera1 seat
| Alun Llewelyn | PC | 591 ✓ |
| Noir James | Labour | 422 |