So far, so chic – but is it any good?

The general consensus among critics seems to be yes, indeed it is.

The Times’ food and drink editor Tony Turnbull describes it as “a perfect teatime coffee” with “notes of forest fruits” and “the sweetly caramelised flavour of cocoa nibs”.

The Guardian’s food critic Grace Dent pays tribute to “a damn fine brew” that is “delicious, rich, pungent and captivating”.

Whether this is enough to justify the eye-watering price tag remains to be seen (and needless to say, not everyone on Twitter is a fan).

General manager Olivier Fellous says the reason the Yemeni blend is so expensive is partly to do with its unique taste, and also because it is “an amazing product” that is not served anywhere else in London, and is difficult to source.

For those who aren’t quite ready to part with the best part of £20 for a coffee, though, there’s a silver lining.

Drink at Le Café starts at a (slightly more) reasonable £3.50 for a signature blend – around the same price as a grande vanilla spiced latte from Starbucks. Plus, we hear good things about the café’s trademark madeleine bakes, too. Santé!

Main image: Getty

Would you pay £15 for the "perfect" cup of coffee?