Premier and Football League transfers
Definitive current and historical listings of player transfers and loans in the Premier League and Football League for all clubs.
| Date | Player | From | Type | To | Fee | Comment | |
|---|---|---|---|---|---|---|---|
| 31 May 2018 | Hart, Joe | West Ham United | Loan return | Manchester City | Season loan | ||
| 31 May 2018 | João Mário | West Ham United | Loan return | Internazionale | Loan to end of season | ||
| 23 Feb 2018 | José Fonte | West Ham United | Transfer | Dalian Yifang | 5,000,000 | Reported fee | |
| 31 Jan 2018 | Burke, Reece | West Ham United | Loan | Bolton Wanderers | Loan to end of season | ||
| 31 Jan 2018 | Oxford, Reece | West Ham United | Loan | Borussia Monchengladbach | Loan to end of season | ||
| 31 Jan 2018 | Makasi, Moses | West Ham United | Loan | Plymouth Argyle | Loan to end of season | ||
| 31 Jan 2018 | Ayew, André | West Ham United | Transfer | Swansea City | 18,000,000 | Reported fee | |
| 29 Jan 2018 | Sakho, Diafra | West Ham United | Transfer | Rennes | Undisclosed | ||
| 17 Jan 2018 | Samuelsen, Martin | West Ham United | Loan | Burton Albion | Loan to end of season | ||
| 31 Aug 2017 | Gordon-Hutton, Jaanai | West Ham United | Transfer | Cheltenham Town | Free | ||
| 25 Aug 2017 | Snodgrass, Robert | West Ham United | Loan | Aston Villa | Season loan | ||
| 14 Aug 2017 | Féghouli, Sofiane | West Ham United | Transfer | Galatasaray | 3,700,000 | Reported fee | |
| 07 Aug 2017 | Chambers, Leo | West Ham United | Transfer | Billericay Town | Free | ||
| 02 Aug 2017 | Knoyle, Kyle | West Ham United | Transfer | Swindon Town | Free | ||
| 01 Aug 2017 | Cullen, Josh | West Ham United | Loan | Bolton Wanderers | Loan until January | ||
| 01 Aug 2017 | Eggleton, Jake | West Ham United | Transfer | Hendon | Free | ||
| 01 Aug 2017 | Burke, Reece | West Ham United | Loan | Bolton Wanderers | Loan until January | ||
| 28 Jul 2017 | Fletcher, Ashley | West Ham United | Transfer | Middlesbrough | 6,500,000 | Reported fee | |
| 22 Jul 2017 | Randolph, Darren | West Ham United | Transfer | Middlesbrough | 5,000,000 | Reported fee | |
| 16 Jul 2017 | Dobson, George | West Ham United | Transfer | Sparta Rotterdam | Undisclosed | ||
| 13 Jul 2017 | Valencia, Enner | West Ham United | Transfer | Tigres de UANL | Undisclosed | ||
| 08 Jul 2017 | Howes, Sam | West Ham United | Transfer | Watford | Free | ||
| 01 Jul 2017 | Hendrie, Stephen | West Ham United | Transfer | Southend United | Free |