01
Initial-test outcomes
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Clean passes, passes after rectification at the station and failures shown as distinct outcomes.
Explore Does London pass its MOT →Transport · data story
The pass that started as a fail
A clean pass, a repair at the station and a later retest describe different MOT journeys.
The pass that started as a fail
The evidence
What the current releases show
Updated 3 Aug 2026
02
London postal district history · 2025
Highest published value in this view
85.6 % of initial tests passed
London postal district
Great Britain: 77.6 % of initial tests passed
Initial class 4 clean-pass and failure rates through the published annual extracts.
Explore Does London pass its MOT →03
Fleet age at test
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The age distribution of class 4 vehicles brought for an initial test in the London postal district.
Explore What London drives to the test centre →04
What fails
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Failure-item records grouped into the published inspection systems after a London test-ID join.
Caveat: One failed test can contain several recorded reasons.
Explore What London cars fail on →Trace the claims
Sources and records
Keep following the evidence
Continue reading
Transport · 3 evidence sets
London’s daily movement
People, vehicles and station entries are three different ways of counting movement.
Read next →Transport · 4 evidence sets
Who gets London’s streets?
Car ownership, traffic, cycle parking and road injury describe competing claims on the same space.
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The rent-pay trap
The same rent is a very different burden depending on where London pay lands.
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