Museum of Liverpool as Museum of Liverpool
Diane catches Dan Lewis giving an unofficial museum tour and they arrange a date as she is kicking him out.
“Chapter One: The Halloween Apocalypse” Filming Locations
While the Doctor searches for answers of her past an ancient force of destruction is released and begins spreading across the universe.
Doctor Who episode “Chapter One: The Halloween Apocalypse” was filmed in Cardiff & Liverpool in the United Kingdom.
Penwyllt Quarry as The Burnished Rage Prison
The Doctor is shown a vision of Swarm escaping his eternal prison and disassembling two guards.
Source: TARDIS Data Core — Fandom
Beamrite Aerials as Jenning Street Food Bank
Dan hands out candy to the kids at the food bank and his coworker tries to convince him to take some food home for himself.
51 Llanmaes Street as Dan Lewis's House
Dan Lewis returns home for a night of trick-or-treaters and being kidnapped by a dog alien.
6 Rosebery Place as Claire's House
Claire is returning home after her encounter with the Doctor and Yaz when she spots a Weeping Angel coming for her.
Source: Cultbox
28 The Parade as Spooky House
Diane is waiting on the street for her date with Dan when the door of the spooky old house behind her opens and draws her inside.