AL9 GP catchment: which practices serve the AL9 postcode district
12,853 people living in the AL9 postcode district are registered with a GP (July 2026), 95% of them at 10 practices. The practice with the most is Potterells Medical Centre in Hatfield, with 6,924 (54%). The 3 largest together hold 68% of the district's registrations.
Latest data: July 2026. Registered patients by neighbourhood July 2026; GP Patient Survey 2026.
These are the practices people living in AL9 are actually registered with, from NHS England's count of registered patients by neighbourhood; a practice's own catchment boundary can be wider or narrower. The district is mostly in Welwyn Hatfield.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| Potterells Medical Centre | Hatfield | 6,924 | 54% | 75% | Good |
| Lister House Surgery | Hatfield | 1,040 | 8% | 61% | Good |
| Wrafton House Surgery | Hatfield | 808 | 6% | 78% | Good |
| Parkfield Medical Centre | Potters Bar | 746 | 6% | 73% | Good |
| Ephedra Healthcare | Welwyn Garden City | 701 | 5% | 61% | Good |
| Burvill House Surgery | Hatfield | 668 | 5% | 78% | Good |
| Highview Medical Centre | Potters Bar | 455 | 4% | 77% | Good |
| Valley View Surgery | Waltham Cross | 387 | 3% | 71% | Good |
| Annandale Medical Centre | Potters Bar | 347 | 3% | 83% | Good |
| Peartree Surgery | Welwyn Garden City | 135 | 1% | 61% | Good |
Across the 10 practices serving AL9 with survey results, the share of patients describing their overall experience as good ranges from 61% at Ephedra Healthcare to 83% at Annandale Medical Centre, with a median of 74% (England: 77%). 0 are above England and 3 below by more than the survey's margin of error. Potterells Medical Centre has the highest share finding it easy to get through by phone (62%, England 57%).
Which GP practices serve AL9?
Potterells Medical Centre, Lister House Surgery, Wrafton House Surgery, Parkfield Medical Centre and Ephedra Healthcare have the most registered patients living in AL9.
How many people in AL9 are registered with a GP?
12,853, 95% of them at 10 practices.
Which GP near AL9 do patients rate highest?
Among the practices serving the district, Annandale Medical Centre: 83% of its patients rated their overall experience good in the 2026 GP Patient Survey.