Fictional location file · 1 case
Upper Marshwood
A stranger's death after a fox hunt forces Barnaby to question a close-knit rural circle and a conveniently solved case.

Casebook interpretation
Welcome to Upper Marshwood
Upper Marshwood is principally known through one case, making this a compact story-location file rather than a claim to a complete village history. Its recorded case material places it in the Casebook's dark territory.
Editorial interpretation Where the programme has not established a resident, building or piece of geography, the Casebook leaves it unstated rather than turning inference into canon.
What the Casebook has on file
At a glance
This information is drawn from the connected episode records. It describes the fictional setting and does not claim a fixed real-world geography.
- Cases
- 1
- On-screen years
- 1999
- Barnaby era
- Tom Barnaby
- Detective
- DCI Tom Barnaby
- Investigating partner
- DS Gavin Troy
- Casebook tone
- Dark
Stories set here
Cases connected to Upper Marshwood
Spoiler-light summaries, with a direct route into each complete episode file.
Institutions & village life
What is actually on file?
The episode record establishes the setting and premise, but does not support a separate pub, school, church, club or business entry in this index.
Curated story character
Themes associated with this setting
Four distinctive ingredients are shown here. Linked case files retain the complete theme record without overwhelming the village portrait.



Fan calculation · not canon
Village survival card
- Case-file danger
- ●○○○○
- Documented cases
- 1
- Most suspicious pastime
- Fox hunt
- Best precaution
- Decline the invitation politely
This playful score uses only the number of linked cases and breadth of recorded themes. It is not a population or canonical crime-rate statistic.
Fiction versus filming
Real places connected to these cases
These are broader verified filming areas attached to the episode files—not proof that one real village represents the whole fictional setting.

Chesham
The old town, church, market square and shops have doubled for Causton and several fictional villages.
Open real location file →
Cuddington
Cottages, halls, churchyard and village shop have supplied police bases, family homes and community events.
Open real location file →
Thame
A versatile Causton and village backdrop whose town hall, museum, shops and surrounding estates take many identities.
Open real location file →
Wallingford
One of the principal doubles for Causton, with its Corn Exchange, riverside and civic streets appearing repeatedly.
Open real location file →