lounge bar 
noun British
The smarter and more comfortably furnished bar in a pub: they sat in a corner of the lounge bar until closing time...Compare with public bar.
- Cookbooks line the lounge bar at the Inn - it's just a shame they didn't put them to better use in the kitchen
- There is also a comfortable lounge bar and guest dining-room.
- Accommodation in the two-storey premises comprises a ground floor public bar and a large lounge bar.