SG3 GP catchment: which practices serve the SG3 postcode district
5,411 people living in the SG3 postcode district are registered with a GP (July 2026), 95% of them at 5 practices. The practice with the most is Knebworth Surgery in Knebworth, with 3,957 (73%). The 3 largest together hold 93% 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 SG3 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 North Hertfordshire and Welwyn Hatfield.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| Knebworth Surgery | Knebworth | 3,957 | 73% | 54% | – |
| Bridge Cottage Surgery | Welwyn Garden City | 992 | 18% | 69% | Good |
| Stanmore Medical Group | Stevenage | 84 | 2% | 65% | Good |
| Peartree Surgery | Welwyn Garden City | 78 | 1% | 61% | Good |
| King George Surgery | Stevenage | 70 | 1% | 62% | Good |
Across the 5 practices serving SG3 with survey results, the share of patients describing their overall experience as good ranges from 54% at Knebworth Surgery to 69% at Bridge Cottage Surgery, with a median of 62% (England: 77%). 0 are above England and 4 below by more than the survey's margin of error. Bridge Cottage Surgery has the highest share finding it easy to get through by phone (59%, England 57%).
Which GP practices serve SG3?
Knebworth Surgery, Bridge Cottage Surgery, Stanmore Medical Group, Peartree Surgery and King George Surgery have the most registered patients living in SG3.
How many people in SG3 are registered with a GP?
5,411, 95% of them at 5 practices.
Which GP near SG3 do patients rate highest?
Among the practices serving the district, Bridge Cottage Surgery: 69% of its patients rated their overall experience good in the 2026 GP Patient Survey.