Towns & cities
Potters Bar
Town in Hertfordshire, England
Wikipedia names Potters Bar as where 2 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Potters Bar. Each title’s page links to the sentence that says so.
Filming locations nearby
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Castles & palaces
Wrotham Park
England · 2 km south
Country house in Potters Bar, Hertfordshire, England, UK
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Castles & palaces
Dyrham Park Country Club
England · 4 km south-west
Country house, estate and golf club in Hertfordshire, UK
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Towns & cities
Hadley Wood
England · 4 km south
Area in the London Borough of Enfield
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Towns & cities
North Mymms
England · 5 km north-west
Village and civil parish in Hertfordshire, England, UK
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Towns & cities
Welham Green
England · 5 km north-west
Village in Hertfordshire, England, UK
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Landmarks & buildings
Manor Lodge School
England · 6 km west
School in Hertfordshire, UK