Stanley Terrace consisted of three separate buildings, on a ridge overlooking the reservoir.
Geoff Wellstead explains:
The 3 buildings comprising Stanley Tce were known informally [from north to south] as Bottom Tce, Middle Tce, and Upper or Top Tce - highly imaginative ! - and probably a little confusing as there were 3 levels for every designated Number - you guessed it - Bottom , Middle, and Top. Thus in the 1940s-50s I lived initially at No. 11 Top and then at 15 Middle. Nos. 1-8 were in Bottom Tce, 9-12 in Middle Tce, 13-16 in Top Tce, i.e. 48 apartments in all, with the corresponding servants quarters in detached 3 storey buildings immediately behind.
As these buildings were for expatriate Dockyard staff I imagine they were constructed from about 1907 onwards, and I think Bottom Tce was the oldest, and Middle was older than Top Tce, judging by style differences. I understand in the early days there was also a "Taikoo Terrace", on the other side of the [later] Kings Rd cutting. The ridge Stanley Tce stood on was being levelled when I visited in 1976, so I assume it was demolished not long before that.