North Londoner here
Evie/Eva
Ivy
Isla
Ava
Aria/Arya
Olivia
Amelia/Emilia
Sophia/Sofia
Any variation on the theme of ‘long frilly vowel-heavy name ending in -a’: Arianna/Eliana/Aurelia/Arabella/Liliana/Ophelia
Noah
Arlo
Charlie
Leo
Theo
Albie
Archie
Jack
For girls’ names in particular it’s more specific sounds I get tired of hearing, rather than the names themselves - eg all the Avas, Evas, Evies, Ivys etc just merge together after a while. For boys it’s mainly the currently trendy Biblical and ‘cheeky chappy’ -ie endings that are everywhere. Also -o endings seem very trendy - having exhausted Arlo, Leo and Theo round here people seem to be moving on to Jago and Otto (I met two local Ottos in one day the other week).