Old Iron Works, Mells
| Site of Special Scientific Interest | |
| Location | Somerset |
|---|---|
| Grid reference | ST 738488 |
| Coordinates | 51°14′16″N 2°22′36″W / 51.23777°N 2.37667°W |
| Interest | Industrial Archaeology, Biological |
| Area | 0.25 hectares (0.62 acres) |
| Notification | 1987 |
| Natural England website | |
Old Iron Works, Mells (Fussells' Lower Works) (grid reference ST738488) is a 0.25 hectare biological Site of Special Scientific Interest, in the Wadbury Valley, south of the village of Mells in Somerset, notified in 1987. The site is a ruined iron works, which mainly produced agricultural edge-tools that were exported all over the world, and is now, in addition to its unique and major importance in relation to industrial archaeology, used as a breeding site by horseshoe bats. The block of buildings adjacent to the entrance is listed Grade II* and most of the rest of the site is a Scheduled Ancient Monument. It is included in the Heritage at Risk Register produced by English Heritage.