[2] Located adjacent to a bridge over the River Brett on the B1115 between Hadleigh and Stowmarket, it is part of Babergh district.

[4] The small church is set a few hundred yards off of a minor road across a meadow beside the River Brett, It is almost entirely Victorianised with a chancel that was rebuilt in 1870.

[7] The small hamlet of Ash Street is centred approximately 0.5 miles (1 km) east of Semer church; it is located to the north of a bridge over the River Brett.

Ash Street is recorded in the Domesday Book as a very small settlement of just five smallholders, with 6 acres (2.4 ha) of meadow and a mill; the hamlet had a taxable value of 1.5 geld units.

[8] The small hamlet of Drakestone Green is centred approximately 1 mile (1.6 km) south of Semer church.