Love the former bay window as portal with window seat but there's a timespan of about 17 seconds between it being too fucking cold and flyageddon where you could actually use it as intended.
Ha. As someone who is surrounded by water and prob more flying insects than the rest of London combined I’d actually say you get plenty of time while the sun is up… sun down is when things get problematic.
https://www.designboom.com/architecture/erbar-mattes-harvey-road-london-crouch-end-10-19-2016/
(Not mine)