List of windmills in Hertfordshire Locations C

| Location_ | Name_of_mill_and_grid_reference | Type_ | Maps | First_mention_or_built | Last_mention_or_demise_ |
|---|---|---|---|---|---|
| Colney Heath | Colney Heath Mill , TL 205 055 | Tower |  | 1854 | Windmill World |
| Cottered |  | Post |  | 1581 | 1581 |
| Cromer |  |  |  | 1192 | 1576 |
| Cromer | Cromer Mill , TL 304 286 | Post | 1720 , 1728 , 1749 , 1766 , 1800 , 1822 | 1720 | Windmill World |
| Croxley Green | Croxley Green Mill , TQ 067 953 | Tower |  | c. 1860 | Windmill World |