Keeping upstairs cool

[blue matt]

Is the correct answer.
We invested in one of those small portable air con units a few years back and it was money well spent.
I slept like a baby last night

Yep

we got one from Focus DIY ( so that shows how long ago ) when youngest was a baby, we put it on the landing with the ( hot air ) hose running out the bathroom window, and whack it on full, the upstairs in nice and cool in about 1 hour, infact i slept under a quilt last night it got so cold

best £150 i spent, seen them at screwfix for about £250 now, still worth it for the odd hot spells we have