Towns & cities
Littlehampton
Town in West Sussex, England
Wikipedia names Littlehampton as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Littlehampton. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Arundel
England · 5 km north
Town in West Sussex, England, UK
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Castles & palaces
Arundel Castle
England · 5 km north
Castle in West Sussex, England, UK
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Landmarks & buildings
Amberley Museum
England · 10 km north
Open-air industrial museum in West Sussex, United Kingdom
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Towns & cities
Bognor Regis
England · 10 km west
Town in West Sussex, England, UK
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Landscapes & nature
South Downs
England · 10 km north
Range of hills in the United Kingdom
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Towns & cities
Amberley
England · 11 km north
Village and civil parish in West Sussex, UK