# | Tier | Division | G | W | D | L | GF | GA | Pts | +- | ||
1946-47 | English Division Two | 42 | 14 | 8 | 20 | 56 | 79 | 36 | -23 | |||
1947-48 | English Division Two | 42 | 9 | 11 | 22 | 44 | 74 | 29 | -30 | Relegated | ||
1948-49 | English Division Three South | 42 | 17 | 11 | 14 | 63 | 64 | 45 | -1 | |||
1949-50 | English Division Three South | 42 | 14 | 4 | 24 | 55 | 63 | 32 | -8 | |||
1950-51 | English Division Three South | 46 | 23 | 10 | 13 | 80 | 57 | 56 | 23 | |||
1951-52 | English Division Three South | 46 | 23 | 12 | 11 | 74 | 53 | 58 | 21 | |||
1952-53 | English Division Three South | 46 | 24 | 14 | 8 | 82 | 44 | 62 | 38 | |||
1953-54 | English Division Three South | 46 | 19 | 9 | 18 | 74 | 77 | 47 | -3 | |||
1954-55 | English Division Three South | 46 | 20 | 11 | 15 | 72 | 68 | 51 | 4 | |||
1955-56 | English Division Three South | 46 | 15 | 6 | 25 | 83 | 100 | 36 | -17 | |||
1956-57 | English Division Three South | 46 | 16 | 12 | 18 | 64 | 84 | 44 | -20 | |||
1957-58 | English Division Three South | 46 | 11 | 9 | 26 | 63 | 91 | 31 | -28 | Relegated | ||
1958-59 | English Division Four | 46 | 20 | 10 | 16 | 76 | 69 | 50 | 7 | |||
1959-60 | English Division Four | 46 | 18 | 17 | 11 | 84 | 61 | 53 | 23 | |||
1960-61 | English Division Four | 46 | 21 | 8 | 17 | 97 | 86 | 50 | 11 | |||
1961-62 | English Division Four | 44 | 23 | 10 | 11 | 87 | 62 | 56 | 25 | Promoted | ||
1962-63 | English Division Three | 46 | 15 | 13 | 18 | 82 | 87 | 43 | -5 | |||
1963-64 | English Division Three | 46 | 14 | 10 | 22 | 53 | 67 | 38 | -14 | Relegated | ||
1964-65 | English Division Four | 46 | 23 | 16 | 7 | 78 | 45 | 62 | 33 | Promoted | ||
1965-66 | English Division Three | 46 | 27 | 11 | 8 | 76 | 43 | 65 | 33 | Promoted | ||
1966-67 | English Division Two | 42 | 18 | 9 | 15 | 49 | 58 | 45 | -9 | |||
1967-68 | English Division Two | 42 | 14 | 17 | 11 | 62 | 50 | 45 | 12 | |||
1968-69 | English Division Two | 42 | 17 | 9 | 16 | 57 | 49 | 43 | 8 | |||
1969-70 | English Division Two | 42 | 15 | 14 | 13 | 56 | 56 | 44 | 0 | |||
1970-71 | English Division Two | 42 | 19 | 9 | 14 | 59 | 42 | 47 | 17 | |||
1971-72 | English Division Two | 42 | 19 | 17 | 6 | 64 | 46 | 55 | 18 | |||
1972-73 | English Division Two | 42 | 16 | 10 | 16 | 55 | 47 | 42 | 8 | |||
1973-74 | English Division Two | 42 | 14 | 14 | 14 | 51 | 51 | 42 | 0 | |||
1974-75 | English Division Two | 42 | 10 | 12 | 20 | 44 | 56 | 32 | -12 | Relegated | ||
1975-76 | English Division Three | 46 | 20 | 16 | 10 | 54 | 43 | 56 | 11 | Promoted | ||
1976-77 | English Division Two | 42 | 15 | 13 | 14 | 57 | 53 | 43 | 4 | |||
1977-78 | English Division Two | 42 | 12 | 14 | 16 | 49 | 57 | 38 | -8 | |||
1978-79 | English Division Two | 42 | 11 | 10 | 21 | 42 | 61 | 32 | -19 | Relegated | ||
1979-80 | English Division Three | 46 | 16 | 13 | 17 | 65 | 59 | 45 | 6 | |||
1980-81 | English Division Three | 46 | 14 | 14 | 18 | 43 | 60 | 42 | -17 | |||
1981-82 | English Division Three | 46 | 18 | 13 | 15 | 62 | 62 | 67 | 0 | |||
1982-83 | English Division Three | 46 | 14 | 13 | 19 | 64 | 77 | 55 | -13 | |||
1983-84 | English Division Three | 46 | 18 | 13 | 15 | 71 | 65 | 67 | 6 | |||
1984-85 | English Division Three | 46 | 26 | 12 | 8 | 73 | 42 | 90 | 31 | Promoted | ||
1985-86 | English Division Two | 42 | 17 | 8 | 17 | 64 | 65 | 59 | -1 | |||
1986-87 | English Division Two | 42 | 14 | 9 | 19 | 39 | 45 | 51 | -6 | |||
1987-88 | English Division Two | 44 | 25 | 7 | 12 | 72 | 52 | 82 | 20 | Promoted | ||
1988-89 | English Division One English Division One | 38 | 14 | 11 | 13 | 47 | 52 | 53 | -5 | |||
1989-90 | English Division One English Division One | 38 | 5 | 11 | 22 | 39 | 65 | 26 | -26 | Relegated | ||
1990-91 | English Division Two | 46 | 20 | 13 | 13 | 70 | 51 | 73 | 19 | |||
1991-92 | English Division Two | 46 | 17 | 10 | 19 | 64 | 71 | 61 | -7 | |||
1992-93 | English Championship | 46 | 18 | 16 | 12 | 65 | 53 | 70 | 12 | |||
1993-94 | English Championship | 46 | 19 | 17 | 10 | 58 | 49 | 74 | 9 | |||
1994-95 | English Championship | 46 | 16 | 14 | 16 | 60 | 60 | 62 | 0 | |||
1995-96 | English Championship | 46 | 13 | 13 | 20 | 43 | 63 | 52 | -20 | Relegated | ||
1996-97 | English League One | 46 | 16 | 13 | 17 | 50 | 55 | 61 | -5 | |||
1997-98 | English League One | 46 | 14 | 13 | 19 | 43 | 54 | 55 | -11 | |||
1998-99 | English League One | 46 | 17 | 11 | 18 | 52 | 59 | 62 | -7 | |||
1999-00 | English League One | 46 | 23 | 13 | 10 | 76 | 50 | 82 | 26 | |||
2000-01 | English League One | 46 | 28 | 9 | 9 | 89 | 38 | 93 | 51 | Promoted | ||
2001-02 | English Championship | 46 | 22 | 11 | 13 | 69 | 48 | 77 | 21 | |||
2002-03 | English Championship | 46 | 19 | 9 | 18 | 59 | 69 | 66 | -10 | |||
2003-04 | English Championship | 46 | 18 | 15 | 13 | 55 | 48 | 69 | 7 | |||
2004-05 | English Championship | 46 | 18 | 12 | 16 | 51 | 45 | 66 | 6 | |||
2005-06 | English Championship | 46 | 8 | 16 | 22 | 35 | 62 | 40 | -27 | Relegated | ||
2006-07 | English League One | 46 | 19 | 9 | 18 | 59 | 62 | 66 | -3 | |||
2007-08 | English League One | 46 | 14 | 10 | 22 | 45 | 60 | 52 | -15 | |||
2008-09 | English League One | 46 | 25 | 7 | 14 | 63 | 53 | 82 | 10 | |||
2009-10 | English League One | 46 | 24 | 13 | 9 | 76 | 44 | 85 | 32 | Promoted | ||
2010-11 | English Championship | 46 | 18 | 13 | 15 | 62 | 48 | 67 | 14 | |||
2011-12 | English Championship | 46 | 15 | 12 | 19 | 55 | 57 | 57 | -2 | |||
2012-13 | English Championship | 46 | 15 | 11 | 20 | 51 | 62 | 56 | -11 | |||
2013-14 | English Championship | 46 | 11 | 15 | 20 | 46 | 74 | 48 | -28 | |||
2014-15 | English Championship | 46 | 9 | 14 | 23 | 42 | 76 | 41 | -34 | Relegated | ||
2015-16 | English League One | 46 | 24 | 9 | 13 | 73 | 49 | 81 | 24 | |||
2016-17 | English League One | 46 | 20 | 13 | 13 | 66 | 57 | 73 | 9 | Promoted | ||
2017-18 | English Championship | 46 | 19 | 15 | 12 | 56 | 45 | 72 | 11 | |||
2018-19 | English Championship | 46 | 10 | 14 | 22 | 48 | 64 | 44 | -16 | |||
2019-20 | English Championship | 46 | 17 | 17 | 12 | 57 | 51 | 68 | 6 | |||
2020-21 | English Championship | 46 | 15 | 17 | 14 | 47 | 52 | 62 | -5 | |||
2021-22 | English Championship | 46 | 18 | 15 | 13 | 53 | 45 | 69 | 8 | |||
2022-23 | English Championship | 46 | 19 | 11 | 16 | 57 | 50 | 68 | 7 |