AED retrieval radius used by all English ambulance Trusts
| Ambulance Trust | Radius of AED use |
| Isle of Wight | 200 m but may consider extension |
| East of England | 200 m, recently extended to 400 m |
| North West Ambulance | 200 m |
| West Midlands | 200 m |
| North East | 500 m |
| London | 100 m |
| Yorkshire Ambulance | 200 m static; 600 m PAD |
| Wales | 500 m |
| East Midlands | 500 m, with some PADs being 600 m |
| South West Ambulance Service | 200 m for all |
| South Central Ambulance Service | 400 m |
AED, automated external defibrillator.