The 2017–18 season was the 103rd season of the

Isthmian League The Isthmian League () is a regional Association football, football league covering Greater London, East of England, East and South East England, featuring mostly semi-professional clubs. Founded in 1905 by amateur clubs in the London area, th ...

, which is an English

football Football is a family of team sports that involve, to varying degrees, kick (football), kicking a football (ball), ball to score a goal (sports), goal. Unqualified, football (word), the word ''football'' generally means the form of football t ...

competition featuring semi-professional and amateur clubs from London,

East East is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fact that ea ...

and

South East England South East England is one of the nine official regions of England, regions of England that are in the ITL 1 statistical regions of England, top level category for Statistics, statistical purposes. It consists of the nine counties of england, ...

. It was also the twelfth season for the current incarnations of the Premier, North and South Divisions, the last to have two regional divisions, and the first as the Bostik League following a sponsorship deal with Bostik. In May 2017, the FA chose the Southern League to create one additional division at Step 3 and the Isthmian League to create one at Step 4 as part of the next change to the structure, and in March 2018, the Northern Premier League voted to reorganise its Step 4 divisions into an east-west alignment, with all Step 3 divisions contracting to 22 clubs and those at Step 4 to 20, taking effect in the 2018–19 season.

Premier Division

The Premier Division consisted of 24 clubs: 19 clubs from the previous season, and five new clubs: * Brightlingsea Regent, promoted as champions of Division One North *

Dorking Wanderers Dorking Wanderers Football Club is a professional football club based in Dorking, Surrey, England. Affiliated to the Surrey County Football Association, they are currently members of and play at Meadowbank. Formed in 1999 by a group of friends ...

, promoted as play-off winners in Division One South *

Margate Margate is a seaside resort, seaside town in the Thanet District of Kent, England. It is located on the north coast of Kent and covers an area of long, north-east of Canterbury and includes Cliftonville, Garlinge, Palm Bay, UK, Palm Bay and W ...

, relegated from the

National League South The National League South, officially Vanarama National League South, is a professional Association football league in England. National League South is the second division of the National League (English football), National Leagues and step ...

Thurrock Thurrock () is a unitary authorities of England, unitary authority area with Borough status in the United Kingdom, borough status in the Ceremonial counties of England, ceremonial county of Essex, England. It lies on the north bank of the River ...

, promoted as play-off winners in Division One North * Tooting & Mitcham United, promoted as champions of Division One South Billericay Town won the division and returned to National League South after five seasons in the Isthmian League. Dulwich Hamlet, who competed in the Isthmian League since its establishment in 1907, won the play-offs and followed them. Only one club was relegated from the Premier Division; Tooting & Mitcham finished bottom of the table and returned straight back to step 4. At the end of the season a new step 3 division was created under the Southern Football League; seven Premier Division clubs were transferred to the Southern League Premier divisions. The number of clubs in the Premier Division was reduced to 22 for the next season.

League table

Top scorers

Play-offs

Semifinals

Final

Results table

Stadia and locations

North Division

North Division consisted of 24 clubs: 17 clubs from the previous season, and seven new clubs: *

AFC Sudbury Amalgamated Football Club Sudbury is a association football, football club based in Sudbury, Suffolk, England. The club was formed in 1999 by the merger of Sudbury Town F.C., Sudbury Town and Sudbury Wanderers F.C., Sudbury Wanderers, the proc ...

, relegated from the Premier Division * Barking, promoted from the Essex Senior League *

Canvey Island Canvey Island is a town, civil parish and reclaimed island in the Thames Estuary, near Southend-on-Sea, in the Castle Point district, in the county of Essex, England. It has an area of and a population of 38,170.Office for National Statistics. ...

, relegated from the Premier Division *

Grays Athletic Grays Athletic Football Club is a football club based in Grays, Essex, England. They are currently members of the and play at Chadfields in nearby Tilbury. History The club was established as Grays Juniors in 1890, before merging with former ...

, relegated from the Premier Division * Hertford Town, promoted from the Spartan South Midlands League * Mildenhall Town, promoted from the Eastern Counties League * Potters Bar Town, transferred from

Southern League Division One Central The Southern League is a Association football, football competition featuring semi-professional clubs from East Anglia, the Southern England, South and The Midlands, Midlands of England, and South Wales. Together with the Isthmian League and t ...

At the end of the season a new step 3 division was created, thus for this season three clubs were to be promoted from each step 4 divisions - champions, runners-up and play-off winners plus one third-placed club with highest points-per-game. Hornchurch won the division and returned to the Premier Division after three seasons in the North Division along with runners-up Potters Bar Town and play-off winners Haringey Borough who never competed at such level. Due to league system restructurisation only one club was relegated from each step 4 division. Norwich United finished bottom of the table and returned to the Eastern Counties League after two seasons in the Isthmian League. At the end of the season a seventh step 4 division was created under the Isthmian League, as the South Division clubs were distributed between new South East and South Central divisions. Four North Division clubs were transferred to South Central Division. The number of clubs in the step 4 divisions was reduced to 20 for the next season.

League table

Top scorers

Play-offs

Semifinals

Final

Results table

Stadia and locations

South Division

South Division consisted of 24 clubs: 19 clubs from the previous season, and seven new clubs: * Ashford United, promoted from the Southern Counties East League * Phoenix Sports, transferred from Division One North * Shoreham, promoted from the Southern Combination League * Thamesmead Town, transferred from Division One North * VCD Athletic, transferred from Division One North At the end of the season a new step 3 division was created, thus for this season three clubs were to be promoted from each step 4 divisions - champions, runners-up and play-off winners plus one third-placed club with highest points-per-game. Carshalton Athletic won the division and returned to the Premier Division after four seasons in the South Division along with runners-up Lewes, who spent in the South Division two seasons after the relegation from Premier Division. Play-off winners Walton Casuals were promoted to the Southern League Premier Division South - the highest level they competed in their history. Corinthian-Casuals lost in play-off final but were promoted to the Premier Division as step 4 play-off final loser with highest points-per-game ratio after

from Premier Division folded. Corinthian-Casuals last competed in top division of the Isthmian League in the 1973–74 season. Due to league system restructurisation only one club was relegated from each step 4 division. Shoreham finished bottom of the table and returned straight back to the Southern Combination League. At the end of the season a seventh step 4 division was created under the Isthmian League, as the South Division clubs were distributed between new South East and South Central divisions. The number of clubs in the step 4 divisions was reduced to 20 for the next season.

League table

Top scorers

Play-offs

Semifinals

Final

Results table

Stadia and locations

League Cup

The 2017–18 Alan Turvey Trophy (formerly the Isthmian League Cup) was the 44th season of the Alan Turvey Trophy, the cup competition of the whole

Calendar

The Isthmian League Cup was voluntary this season, nine clubs decided not to take part in the competition: * Cray Wanderers * Dereham Town *

Guernsey Guernsey ( ; Guernésiais: ''Guernési''; ) is the second-largest island in the Channel Islands, located west of the Cotentin Peninsula, Normandy. It is the largest island in the Bailiwick of Guernsey, which includes five other inhabited isl ...

* Hastings United *

Lewes Lewes () is the county town of East Sussex, England. The town is the administrative centre of the wider Lewes (district), district of the same name. It lies on the River Ouse, Sussex, River Ouse at the point where the river cuts through the Sou ...

* Lowestoft Town *

Needham Market Needham Market is a small town in the Mid Suffolk district of Suffolk, England, set in the Gipping Valley. Nearby villages include Barking, Suffolk, Barking, Darmsden, Badley and Creeting St Mary. The town is located just east of the A14 road ( ...

* Norwich United *

First round

Sixty two clubs participated in the first round, while one club received a bye to the second round: *

Hendon Hendon is an urban area in the London Borough of Barnet, northwest London northwest of Charing Cross. Hendon was an ancient Manorialism, manor and parish in the county of Middlesex and a former borough, the Municipal Borough of Hendon; it has ...

Second round

Thirty clubs to have made it through the first round were entered into the draw with two clubs who get a bye, making thirty-two teams.

Third round

Quarterfinals

Semifinals

Final

Awards