Dryden Chambers was a passage off Oxford Street, at no. 119, on the south side between Wardour Street and Great Chapel Street. It is all now gone, the space entirely occupied by shops:
Google Street View
The shot that establishes us in the vicinity of Oxford Street is actually a long way from Dryden Chambers, at the corner of Stratford Place:
For a thorough identification of the Frenzy locations see the excellent Movie Tourist blog, here.
Dryden Chambers has a greater claim to fame for its place in the history of punk (see here). Malcolm McLaren's offices were at no. 27. See here for Adrian Boot's photographs of the Sex Pistols in Dryden Chambers in 1977:
