Eastern Promise have 20% off 4hand session for next 10 days or so. '4H' is usually a good sign of whats on offer. I'd be tempted but not my manor. And i'd have to remember to take a couple of scores for the HE bit
Coming back to OP's question - Londinium is wall-to-wall massage city, norf London seems to be better than south. Usually OWO on the menu - even if not advertised - especially on repeat visits. Unless they specifically detail that NOT available etc - several times etc. For me the 'will-she-won't-she' question is whether they'll go to OWO, not give out HE