| Washington Windmill | |
|---|---|
 The mill in 2005 | |
 | |
| Origin | |
| Mill name | Rock Mill |
| Grid reference | TQ 128 137 |
| Coordinates | 50°54′42″N 0°23′48″W / 50.9117°N 0.3966°W |
| Operator(s) | Private |
| Year built | 1823 |
| Information | |
| Purpose | Corn mill |
| Type | Smock mill |
| Storeys | Three store smock |
| Base storeys | Single-storey base |
| Smock sides | Eight sides |
| No. of sails | Four sails |
| Type of sails | Patent sails (missing) |
| Winding | Fantail (missing) |
| No. of pairs of millstones | Three pairs |
Listed Building – Grade II | |
| Official name | Rock Windmill |
| Designated | 24 February 1977 |
| Reference no. | 1354092 |
Rock Mill is a Grade II listed[1] smock mill at Washington, West Sussex, England, which has been converted to residential use.
- ^ Historic England. "ROCK WINDMILL, ROCK LANE, WASHINGTON, HORSHAM, WEST SUSSEX (1354092)". National Heritage List for England. Retrieved 4 November 2008.