Build my own list
If you liked

Maigret

2016–2017 · 2 seasons · ITV1

New and upcoming (2026 and later)

Out this year, or not out yet.

Under Salt Marsh

2026 · 1 season · Sky One
Not streaming in the US
StealStealNotes from the Last RowNotes from the Last RowAgatha Christie's Seven DialsAgatha Christie's Seven DialsNocturneNocturneLine of FireLine of FireRadioactive EmergencyRadioactive EmergencyYoung SherlockYoung Sherlock

The last five years (2021 to 2025)

Current, and all of it watchable now.

Signora Volpe

2022–2024 · 2 seasons · Acorn TV
HooplaYouTube TVAcorn TV
BloodlandsBloodlandsGraceGraceKaren PirieKaren PirieProfessor TProfessor TSister Boniface MysteriesSister Boniface MysteriesBeyond ParadiseBeyond ParadiseThe JettyThe Jetty

Five to fifteen years back (2011 to 2020)

Recent enough that everyone can still find it, old enough to be finished.

Death in Paradise

2011–2026 · 15 seasons · BBC One
investigationdetectivepolice
Amazon Prime VideoBritbox Apple TV Channel Hoopla
EndeavourEndeavourManhuntManhuntMcDonald & DoddsMcDonald & DoddsScott & BaileyScott & BaileyAcquittedAcquittedVeraVeraHinterlandHinterland

Older than fifteen years (before 2011)

The back catalogue, where the closest match often is.

Lewis

2007–2015 · 9 seasons · ITV1
Amazon Prime VideoBritbox Apple TV Channel The Roku Channel
Profiling ParisProfiling ParisThe Inspector Lynley MysteriesThe Inspector Lynley MysteriesInspector George GentlyInspector George GentlyMidsomer MurdersMidsomer MurdersDer letzte BulleDer letzte BulleThe Sandhamn MurdersThe Sandhamn MurdersMaigretMaigret

Want this tuned to you?

Name three shows you loved and it ranks the whole catalogue against your taste rather than against one title.

Build my list