Tudor Farm Bank (grid reference SO573081) is a 3.68-hectare (9.1-acre) biological Site of Special Scientific Interest in Gloucestershire, notified in 1999.

Tudor Farm Bank is considered to be the biggest remaining grassland site of its type, and is near the westernmost edge of the natural distribution.

There are limestone outcrops[1] The grassland species include sheep's fescue, quaking grass and glaucous sedge.

[1] Scrub has developed in an area of the site which supports a range of species such as hawthorn, blackthorn, bramble, dog's mercury, cuckoo-pint, hart's-tongue fern and primrose.

[1] The habitat and flora encourages a good range of invertebrates and butterflies include large skipper, ringlet, marbled white and common blue.