Isthmian Premier Division
- England
- 22 teams
Champions by season
- 2025-26Folkestone Invicta2nd Aveley
- 2024-25Horsham2nd Billericay Town
- 2023-24AFC Hornchurch2nd Chatham Town
- 2022-23Bishop's Stortford2nd AFC Hornchurch
- 2021-22Worthing2nd Bishop's Stortford
- 2020-21Worthing2nd Cheshunt
- 2019-20Worthing2nd Cray Wanderers
- 2018-19Dorking Wanderers2nd Carshalton Athletic
- 2017-18Billericay Town2nd Dulwich Hamlet
- 2016-17Havant & Waterlooville2nd Bognor Regis Town
- 2015-16Hampton & Richmond2nd Bognor Regis Town
- 2014-15Maidstone United2nd Hendon
- 2013-14Wealdstone2nd Kingstonian
- 2012-13Whitehawk2nd Lowestoft Town
- 2011-12Billericay Town2nd AFC Hornchurch
- 2010-11Sutton United2nd Tonbridge Angels
- 2009-10Dartford2nd Sutton United
- 2008-09Dover Athletic2nd Staines Town
- 2007-08Chelmsford City2nd Staines Town
- 2006-07Hampton & Richmond2nd Bromley
- 2005-06Braintree Town2nd Heybridge Swifts
- 2004-05Yeading2nd Billericay Town
- 2003-04Canvey Island2nd Sutton United
- 2002-03Aldershot Town2nd Canvey Island
- 2001-02Gravesend & Northfleet2nd Canvey Island
- 2000-01Farnborough Town2nd Canvey Island
Most titles
Sources: Wikipedia, API-Football