Where was The Haunted House of Horror filmed?

1969 film by Michael Armstrong

The Haunted House of Horror (1969) was filmed in Southport, Harrow, Carnaby Street, Bretherton, Grim's Dyke, Birkdale Palace Hotel and 1 more place, 7 places named in its Wikipedia article, in the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 7 places. Each links to the sentence that says so.

Also shot in these places