| Mill Green Museum | |
|---|---|
 Mill Green Museum | |
| Type | Watermill |
| Location | Hatfield |
| Coordinates | 51°46′23″N 0°12′15″W / 51.77306°N 0.20417°W |
| OS grid reference | TL 24001 09774 |
| Area | Hertfordshire |
| Built | 17th century |
| Owner | Welwyn Hatfield Borough Council |
Listed Building – Grade II* | |
| Official name | The Old Mill House Museum and Mill Green Mill |
| Designated | 2 September 1977 |
| Reference no. | 1101037 |
  Location of Mill Green Museum in Hertfordshire | |
Mill Green Museum is a working watermill in Hatfield, Hertfordshire, England.[1] The building is listed grade II* ("The Old Mill House Museum and Mill Green Mill") and dates from the 17th century. The local museum is in the old miller's house. Three galleries show changing displays of art and local history.