[6] Particularly around the south of the village there are earthwork signs of houses, crofts, quarries and ridge and furrow field systems from earlier medieval settlement.

[9][10][11] Kelly's Directory states: "In a field west of the church are traces of a large mansion or castle, supposed to have been built in reign of Stephen by one of the Bussey family, who were seated here until about 1609.

[16] The hamlet of Oasby has been classed as a conservation area, while dwellings in Heydour parish are listed by the local authority as "of interest".

[17][18] The parish hamlets cooperate on events such as an annual art exhibition, a fête and scarecrow competition, and groups of Mummers, musicians and Morris dancers.

Heydour Grade I listed Anglican parish church, is dedicated to St Michael and All Angels.

The church was probably gifted by Geoffrey de Saxe, prebendary of Heydour from 1325 to 1380, to whom the chancel holds a tomb and a sedilia.

[9][14][20] Further features are a priest's doorway with cinque-cusped head, octagonal font, a chest from 1530 to 1550, an ornamental painting in the chancel, and chalice and flagon by George Wickes from 1727.

The infant son of Sir Michael Newton and Margaret, Countess of Coningsby, he was taken from his cradle in the absence of his nurse by a pet monkey, which was pursued onto the roof of Culverthorpe Hall.