The 1983–84 season was the 69th season of the Isthmian League, an English football competition.
Harrow Borough were champions, winning their first Isthmian League title. There was no promotion from the Isthmian League to the Alliance Premier League till 1985. Windsor & Eton finished first in Division One achieving the second promotion in a row. Corinthian-Casuals were excluded from the league after new groundsharing ruled were introduced.
At the end of the season Division Two was split into two sections after 19 clubs, mainly from the Athenian League joined Division Two. Thus, the Athenian League was finally absorbed by Isthmian League.
Premier Division
The Premier Division consisted of 22 clubs, including 20 clubs from the previous season and two new clubs, promoted from Division One: Harlow Town Worthing Also, at the end of the previous season Leytonstone & Ilford changed name into Leytonstone/Ilford.
At the end of the season Staines Town were demoted to Division One due to ground grading, thus, Tooting & Mitcham United were reprieved.
League table
Stadia and locations
Club Stadium Barking Mayesbrook Park Billericay Town New Lodge Bishop's Stortford Woodside Park Bognor Regis Town Nyewood Lane Bromley Hayes Lane Carshalton Athletic War Memorial Sports Ground Croydon Croydon Sports Arena Dulwich Hamlet Champion Hill Hayes Church Road Harlow Town Harlow Sportcentre Harrow Borough Earlsmead Stadium Hendon Claremont Road Hitchin Town Top Field Leytonstone/Ilford Victoria Road Slough Town Wexham Park Staines Town Wheatsheaf Park Sutton United Gander Green Lane Tooting & Mitcham United Imperial Fields Walthamstow Avenue Green Pond Road Wokingham Town Cantley Park Worthing Woodside Road Wycombe Wanderers Adams Park
Division One
Division One consisted of 22 clubs, including 18 clubs from the previous season and four new clubs:
Two clubs relegated from the Premier Division: Leatherhead Woking
Two clubs promoted from Division Two: Clapton Windsor & Eton
League table
Stadia and locations
Club Stadium Aveley The Mill Field Boreham Wood Meadow Park Chesham United The Meadow Cheshunt Cheshunt Stadium Clapton The Old Spotted Dog Ground Epsom & Ewell Merland Rise Farnborough Town Cherrywood Road Feltham The Orchard Hampton Beveree Stadium Hertford Town Hertingfordbury Park Hornchurch Hornchurch Stadium Kingstonian Kingsmeadow Leatherhead Fetcham Grove Lewes The Dripping Pan Maidenhead United York Road Metropolitan Police Imber Court Oxford City Marsh Lane Tilbury Chadfields Walton & Hersham The Sports Ground Wembley Vale Farm Windsor & Eton Stag Meadow Woking The Laithwaite Community Stadium
Division Two
Division Two consisted of 22 clubs, including 19 clubs from the previous season and three new clubs:
Grays Athletic, joined from the Athenian League Newbury Town, joined from the Athenian League St Albans City, relegated from Division One
Before the start of the season Dorking Town was renamed Dorking.
At the end of the season Corinthian Casuals were excluded from the league, while Division Two was split into Division Two North and Division Two South with a number of the Athenian League clubs joining.
League table
Stadia and locations
Club Stadium Barton Rovers Sharpenhoe Road Basildon United Gardiners Close Corinthian-Casuals King George's Field Dorking Meadowbank Stadium Eastbourne United The Oval Egham Town The Runnymede Stadium Epping Town Stonards Hill Finchley Summers Lane Grays Athletic New Recreation Ground Hemel Hempstead Vauxhall Road Horsham Queen Street Hungerford Town Bulpit Lane Letchworth Garden City Baldock Road Leyton-Wingate Wadham Lodge Molesey Walton Road Stadium Newbury Town Town Ground Rainham Town Deri Park St Albans City Clarence Park Southall Robert Parker Stadium Tring Town Pendley Ground Uxbridge Honeycroft Ware Wodson Park
References