With a rich and interesting history dating back to the 18th century, The Flask is quaint Victorian pub located on Flask Walk in Hampstead, just a short distance from Hampstead Heath. The pub's elegant exteriors retain an old-world charm complete with traditional tiling, while the interior is comprised of two bars separated by a beautiful glazed partition, and walls decorated by panels painted by Jan Van Beers, leading through to a more formal dining room and small conservatory in the rear.

The menu matches the pub's ambience serving classic pub grub with a contemporary twist, made fresh and locally sourced ingredients wherever possible. The main menu includes a hearty sandwiches including steak sandwich with caramelised onion and roasted vegetable, platters to share such as the sausage feast platter or a Mediterranean mezze of peppers, olives, houmous, tzatziki, and taramasalata served with grilled flat bread.  Main courses include beer-battered fish and chips, steak and ale pie with seasonal vegetables and lamb shank with spring onion mash and roasted vegetables. Other dishes include venison casserole with mashed potatoes, and roasted peppers and steaks with vegetables.
 
The Flask offers a wide selection of continental lagers, cask ales and wines from all over the world.