TW18 GP catchment: which practices serve the TW18 postcode district
33,548 people living in the TW18 postcode district are registered with a GP (July 2026), 95% of them at 10 practices. The practice with the most is Staines Health Group in Staines, with 11,219 (33%). The 3 largest together hold 75% 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 TW18 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 Spelthorne and Runnymede.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| Staines Health Group | Staines | 11,219 | 33% | 64% | Good |
| Knowle Green Medical | Staines | 7,444 | 22% | 80% | Good |
| Hythe Medical Centre | Staines-upon-thames | 6,478 | 19% | 78% | Good |
| Grove Medical Centre | Egham | 2,055 | 6% | 77% | Good |
| Studholme Medical Centre | Ashford | 1,374 | 4% | 63% | Good |
| Shepperton Medical Practice | Shepperton | 918 | 3% | 85% | Good |
| Fordbridge Medical Centre | Ashford | 874 | 3% | 72% | Good |
| Stanwell Road Surgery | Ashford | 859 | 3% | 63% | Good |
| St David's Family Practice | Staines | 457 | 1% | 77% | Good |
| Chertsey Health Centre | Chertsey | 377 | 1% | 79% | Good |
Across the 10 practices serving TW18 with survey results, the share of patients describing their overall experience as good ranges from 63% at Stanwell Road Surgery to 85% at Shepperton Medical Practice, with a median of 77% (England: 77%). 1 is above England and 3 below by more than the survey's margin of error. Knowle Green Medical has the highest share finding it easy to get through by phone (64%, England 57%).
Which GP practices serve TW18?
Staines Health Group, Knowle Green Medical, Hythe Medical Centre, Grove Medical Centre and Studholme Medical Centre have the most registered patients living in TW18.
How many people in TW18 are registered with a GP?
33,548, 95% of them at 10 practices.
Which GP near TW18 do patients rate highest?
Among the practices serving the district, Shepperton Medical Practice: 85% of its patients rated their overall experience good in the 2026 GP Patient Survey.