Stag Place, S.W.1 - Privilege (Peter Watkins 1967)

From the balcony of a flat in Roebuck House, Steven looks out over London and down onto Stag Place:

We see five of the other buildings  that form this precinct. Most prominent is Portland House:

To the left, below, is Glen House:

To the right, below, is Eland House:

To the right of Eland House is Watney House:

The arrangement of these buildings can be seen on this plan:

This plan is from a 1964 issue of Concrete Quarterly, the journal of the Cement and Concrete Association (available online here). Here are two more illustrations from this journal:

Concrete Quarterly lists the architects for each building:
Roebuck House and Carrier House (not visible in Privilege): W.H Rogers, H.D. Krall, R.S. Fleming and W.H.G. Keal;
Portland House, Eland House and Glen House: Howard, Fairbairn and partners;
Watney House and The Stag public house (not visible in Privilege): Trehearne and Norman, Preston and partners;
Esso House (not visible in Privilege): T.P. Bennett and Son.

The precinct was completely redeveloped in the 2000s, and Stag Place has been renamed Cardinal Place. Of the eight buildings, only two survive:

Portland House photographed by Robin Sones

Portland House photographed by Alexander P. Kapp

Roebuck House has been refurbished and renamed The View:

These photographs are from the current owner's website, which has a section on the building's history, here, listing several cinema personalities who lived at Roebuck House. The site also mentions that the building featured in the opening credits of the TV series The Prisoner (1967):

Depending on which particular Google Street View you happen upon, The Stag pub is either still there at 15 Bressenden Place or has already been demolished: 

Six years before Privilege the opening sequence of Victim showed the Stag Place precinct under construction: