William Massey Courts in Waltham. Technically this lane is at 182 Ensors Road and it is social housing here. There are 14 units built in 1975. Papers Past only had a few death notices for this lane. There is a Wikipedia page for William Massey.
William Massey Courts in the suburb of Waltham, Christchurch
Lytteltonwitch's Walking the streets of Christchurch Project 