| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 1 | Cohen O'Dell | 12 | S3 | Northampton | 1:46.11 |
| 3 | 3 | Harvey Phillips | 12 | S4 | Louth | 1:23.57 |
| 4 | 5 | Andrew Mullen | 20 | S5 | Ren 96 | 37.77 |
| 5 | 4 | Sam Agnew | 21 | S5 | StirlingSwim | 1:02.12 |
| 6 | 2 | Benjamin Shewbridge | 10 | S4 | West Dorset | 1:24.09 |