ABANDONED. Possible YA/Teen. Published pre 2000 I'm guessing because of old style. Set at least pre 1950's possibly earlier. PLOT: deadly wind blows over england everyone above ground disappears except their hair.

[Ben]

Descriptions of moustaches left on pillows etc.
Group of children (and some adults?) survive by being in a hole they dug, dog is with them.
Meet up with others who have also survived in similar ways, including man who fell asleep in a fresh grave.
Trip to london involved at some point?
Good luck!

[Kris]

Ben, please post a new comment if you're still looking for this book - or if you found it.

Ben (OP) was last active on the site in January 2020. Moving to Abandoned folder.