CO5 GP catchment: which practices serve the CO5 postcode district
29,825 people living in the CO5 postcode district are registered with a GP (July 2026), 95% of them at 6 practices. The practice with the most is The Medical Centre in Colchester, with 9,778 (33%). The 3 largest together hold 78% 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 CO5 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 and Braintree.
| Practice | Town | Residents registered | Share | Overall experience good | CQC rating |
|---|---|---|---|---|---|
| The Medical Centre | Colchester | 9,778 | 33% | 81% | – |
| Mersea Island Medical Practice | Colchester | 6,979 | 23% | 91% | – |
| Kelvedon & Feering Health Centre | Colchester | 6,537 | 22% | 77% | Good |
| Rowhedge & University of Essex Medical Practice | Colchester | 3,206 | 11% | 66% | – |
| Dr Abiodun Obisesan | Colchester | 1,659 | 6% | 76% | Good |
Across the 5 practices serving CO5 with survey results, the share of patients describing their overall experience as good ranges from 66% at Rowhedge & University of Essex Medical Practice to 91% at Mersea Island Medical Practice, with a median of 77% (England: 77%). 1 is above England and 1 below by more than the survey's margin of error. Rowhedge & University of Essex Medical Practice has the highest share finding it easy to get through by phone (63%, England 57%).
Which GP practices serve CO5?
The Medical Centre, Mersea Island Medical Practice, Kelvedon & Feering Health Centre, Rowhedge & University of Essex Medical Practice and Dr Abiodun Obisesan have the most registered patients living in CO5.
How many people in CO5 are registered with a GP?
29,825, 95% of them at 6 practices.
Which GP near CO5 do patients rate highest?
Among the practices serving the district, Mersea Island Medical Practice: 91% of its patients rated their overall experience good in the 2026 GP Patient Survey.