Caswell is a lost settlement in Northamptonshire approximately 2 miles (3.2 km) from Towcester, 8 miles (12.9 km) from Northampton and 12 miles (19 km) from Milton Keynes. It is close to Greens Norton village and now consists almost entirely of Caswell House, a former family farmhouse built for the 4th Duke of Grafton in 1839. Another similar house is at Field Burcote, a hamlet 0.5 miles (0.80 km) north of Green's Norton. Both have three widely spaced bays with low-pitched hipped slate roofs and lower wings and are formally arranged The building and stables are Grade II listed.