SO21 GP catchment: which practices serve the SO21 postcode district

20,522 people living in the SO21 postcode district are registered with a GP (July 2026), 95% of them at 8 practices. The practice with the most is Twyford Surgery in Winchester, with 9,151 (45%). The 3 largest together hold 77% 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 SO21 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 Winchester.

PracticeTownResidents registeredShareOverall experience goodCQC rating
Twyford SurgeryWinchester9,15145%92%Good
The Gratton SurgeryWinchester5,08625%96%Good
Friarsgate PracticeWinchester1,6438%90%Good
Alresford SurgeryAlresford1,1906%89%Good
St Paul's PracticeWinchester6793%88%Good
Bishops Waltham SurgerySouthampton6423%75%Good
St Clements PartnershipWinchester5933%80%–
Fryern SurgeryEastleigh5833%91%Good
Park and St Francis SurgeryEastleigh2741%85%Good
Dr S W Lloyd & PartnersEastleigh2291%89%Good

Across the 10 practices serving SO21 with survey results, the share of patients describing their overall experience as good ranges from 75% at Bishops Waltham Surgery to 96% at The Gratton Surgery, with a median of 89% (England: 77%). 8 are above England and 0 below by more than the survey's margin of error. Twyford Surgery has the highest share finding it easy to get through by phone (93%, England 57%).

Which GP practices serve SO21?

Twyford Surgery, The Gratton Surgery, Friarsgate Practice, Alresford Surgery and St Paul's Practice have the most registered patients living in SO21.

How many people in SO21 are registered with a GP?

20,522, 95% of them at 8 practices.

Which GP near SO21 do patients rate highest?

Among the practices serving the district, The Gratton Surgery: 96% of its patients rated their overall experience good in the 2026 GP Patient Survey.

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Cite this page

<a href="https://localgps.co.uk/gp-catchment/so21">https://localgps.co.uk/gp-catchment/so21</a>