CO2 GP catchment: which practices serve the CO2 postcode district
45,642 people living in the CO2 postcode district are registered with a GP (July 2026), 95% of them at 8 practices. The practice with the most is Colchester Medical Practice in Colchester, with 14,731 (32%). The 3 largest together hold 70% 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 CO2 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 Colchester.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| Colchester Medical Practice | Colchester | 14,731 | 32% | 87% | Good |
| Abbey Field Medical Centre | Colchester | 10,487 | 23% | 66% | Good |
| Creffield Medical Group | Colchester | 6,622 | 15% | 74% | Good |
| Rowhedge & University of Essex Medical Practice | Colchester | 4,837 | 11% | 66% | – |
| Dr Abiodun Obisesan | Colchester | 2,451 | 5% | 76% | Good |
| Ambrose Avenue Group Practice | Colchester | 2,144 | 5% | 66% | – |
| East Hill Surgery | Colchester | 1,349 | 3% | 83% | Good |
| Colchester Medical Limited | Colchester | 1,304 | 3% | 75% | Good |
| Tollgate Medical Centre | Colchester | 645 | 1% | 64% | – |
Across the 9 practices serving CO2 with survey results, the share of patients describing their overall experience as good ranges from 64% at Tollgate Medical Centre to 87% at Colchester Medical Practice, with a median of 74% (England: 77%). 1 is above England and 4 below by more than the survey's margin of error. Colchester Medical Practice has the highest share finding it easy to get through by phone (77%, England 57%).
Which GP practices serve CO2?
Colchester Medical Practice, Abbey Field Medical Centre, Creffield Medical Group, Rowhedge & University of Essex Medical Practice and Dr Abiodun Obisesan have the most registered patients living in CO2.
How many people in CO2 are registered with a GP?
45,642, 95% of them at 8 practices.
Which GP near CO2 do patients rate highest?
Among the practices serving the district, Colchester Medical Practice: 87% of its patients rated their overall experience good in the 2026 GP Patient Survey.