Development Intent
AtlasWandsworthOfficersSebastien Trinckvel
Case officer · Wandsworth Planning

Sebastien Trinckvel.

Active — last recorded decision May 2026

A case officer at Wandsworth with an approval rate of 87% across 582 decided planning applications, spanning 11 wards.[1] Decision speed and appeal performance publish when decision notices are ingested.

Planning officer582 decisions87% approvalSave
Wandsworth · ward map
Approval rate — by ward
Lower ~68%
Higher ~90%
ShowingAll years · subscriber →across all years on record — a period re-scopes the headline figures and the trend
At a glanceEach metric links to the investigation behind it
All investigations →
582
Applications
2022–26
Approval rate over time — tougher or softer 🔒Dashed line = London average
avg 81%100%202286%202387%202484%202597%2026
Approval-rate trend is subscriber dataSubscribe to see the trend →
What they decide — by application type
How they compareVersus peers
Approval rate87% · 65th of 68
higher is betterdashed = London avg
Decision time · publishes with decision notices
in development
Appeal overturn · publishes with decision notices
in development
How this officer decides — from their own reports

Not filled in yet — this needs at least 20 of Sebastien Trinckvel's own officer reports parsed, and their reports haven't reached that threshold in the parsing run. It fills automatically as parsing progresses; nothing is estimated in its place.

Policy playbook — what this officer cites[3]

The policies cited most on decision notices for applications Sebastien Trinckvel decided — 480 parsed notices. From the published notices themselves; their own report wording is parsed separately.

NPPFNPPF
349 times cited
LP1The Design-led ApproachWandsworth plan
252 times cited
LP2General Development PrinciplesWandsworth plan
238 times cited
LP3Historic EnvironmentWandsworth plan
132 times cited
DMS1SPD / guidance
57 times cited
LP51Parking, Servicing and Car Free DevelopmentWandsworth plan
37 times cited
LP27Housing StandardsWandsworth plan
36 times cited
LP5Wandsworth plan
34 times cited
Which policies this officer leans on is subscriber intelligenceSubscribe to unlock →
Decisions by ward

Where this officer's caseload concentrates, 2022–26.[1] Click the map above to focus this page on a ward, or a row to open the ward.

Recent applications
Address
Reference
Type
Outcome
Date
2026/1813
Application for Full Permission
2026-05
2026/1886
Householder
2026-05
2026/1813
Application for Full Permission
2026-05
2026/1886
Householder
2026-05
Full application history locked
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Consultants approved most— subscriber data
1. City Planning
2. Oakman Architecture Ltd
3. Studio 136 Architects Ltd
4. Pddesign Consulting Limited
At a glance
OfficerSebastien Trinckvel
BoroughWandsworth
RolePlanning officer
Experience
Applications582 (2022–26)
Approval rate87%
London approval avg81%
Who decides here
GovernmentMayor of LondonCouncilCommitteeOfficersDecisionsApplicantsInspectorate
Related investigations
When committees overrule officers like this one →
How often members depart from officer recommendations, and how those overrides fare at appeal.
How much gets decided without a committee →
The delegated share by borough and officer — where the real power over decisions sits.
Sources & method
  1. [1]Applications decided, approval rate, per-year trend and ward breakdown — London Borough of Wandsworth planning register and published decision notices, 2022–26. · methodology
  2. [2]Appeal overturn and decision-time benchmarks — Planning Inspectorate (PINS) appeal decisions and application date pairs; not yet computed per officer, shown as a dash until they are. · PINS appeals casework
  3. [3]Condition load — mean effective conditions attached to Wandsworth decision notices (grant/split), parsed from the published notice text; a borough figure, not yet split per case officer.
  4. [4]Policy citations will be coded from officer reports against the adopted Local Plan, London Plan and NPPF — that parsing has not run for this borough yet.
Methodology is published in full so every number is traceable to its primary source.