At Hylton Riverside, on the eastern fringe of Castletown, there is a large retail park.

There is a large-scale redevelopment project, aimed at modernising the former pit houses and the area around the Aviary Estate.

The Aviary area has been completely demolished and a new housing estate has replaced both sides of the main street.

Currently, the records state that Castletown is the least ethnically diverse area in Sunderland, with 99.3% of the population being white.

This was because it was a fairly isolated community until the extensive council house building of the fifties and sixties at the Red House, Hylton Castle and Town end Farm Estates effectively joining the settlement to the rest of Sunderland's new northern suburbs.