Capital Quiz C/d March 8Th

[smurf]

All answers related to London
25 ID in oxygen zone
26 saucy members at work
33 worthwhile in this dockland labour district
37 am Ill - need a change from midlands city
48 tube station with no mackerel parts
Thanks for any help

[Toorak]

26 Houses of Parliament (HP sauce)

[Mamyalynne]

Clue

26 Think of the pic on bottle of brown sauce

[elliemay1]

48 //St John's Wood
There is only one Tube station which does not have any letters of the word 'mackerel' in it: St John's Wood. 2.//

[blaris]

37 Notting Hill

[fiction-factory]

I don't know the full answer (not sure of ID bit) for 25 but think of a molecule of oxygen