London - Duck & Waffle Open 24 hours so always fun to turn up after a night out for banana and caramel waffles.

At Duck and Waffle, 40 floors up, just above Sushi Samba, with an outlook over the Gherkin and the Shard, is open 24 hours a day.

A new Basque restaurant, Ametsa with Arzak Instruction, has opened at The Halkin Hotel in March 2013 replacing Thai restaurant Nahm.

Duck & Waffle - floor of the Heron Tower right by Liverpool Street Station. Amazing views of the city, very reasonable price for breakfast (around for a full English) and open 24 hours a day - ££/££££

Restaurant: Social Eating House, London W1

Really up there,' Marina O'Loughlin says. 'Liberated, unstarchy, affordable and fun'

The 10 Best Afternoon Teas in London

The team at Ametsa with Arzak Instruction has created a selection of tapas dishes to enjoy at The Halkin.

Cosmo's best cocktail recipes you can make at home