Development Intent
Case officer · Kingston Upon Thames Planning

Sissi Yang.

Active — last recorded decision Nov 2025

A case officer at Kingston Upon Thames with an approval rate of 78% across 87 decided planning applications, spanning 20 wards.[1] Decision speed and appeal performance publish when decision notices are ingested.

Planning officer87 decisions78% approvalSave
Kingston Upon Thames · 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 →
87
Applications
2022–25
Approval rate over time — tougher or softer 🔒Dashed line = London average
avg 81%89%202476%2025
Approval-rate trend is subscriber dataSubscribe to see the trend →
What they decide — by application type
How they compareVersus peers
Approval rate78% · 6th of 32
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 Sissi Yang'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 Sissi Yang decided — 40 parsed notices. From the published notices themselves; their own report wording is parsed separately.

DM10Design Requirements for New Developments (including House Extensions)134Kingston Upon Thames plan
38 times cited
CS8Character, Design and HeritageKingston Upon Thames plan
37 times cited
D3London Plan
35 times cited
CS7Managing Vehicle UseKingston Upon Thames plan
9 times cited
DM9Managing Vehicle Use for New DevelopmentKingston Upon Thames plan
9 times cited
CS6Retention of Public Houses in theKingston Upon Thames plan
8 times cited
DM8Sustainable Transport for New DevelopmentKingston Upon Thames plan
8 times cited
DM12Development in Conservation Areas and Affecting Heritage AssetsKingston Upon Thames plan
8 times cited
Which policies this officer leans on is subscriber intelligenceSubscribe to unlock →
Decisions by ward

Where this officer's caseload concentrates, 2022–25.[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
25/02708/FUL
Full Application
Approved
2025-12-16
25/02533/FUL
Full Application
Approved
2025-12-10
25/02708/FUL
Full Application
Approved
2025-12-16
25/02533/FUL
Full Application
Approved
2025-12-10
Full application history locked
Subscribe to see all 87 decisions →
Consultants approved most— subscriber data
1. Logcreation.co.uk Ltd
2. Planning Potential
At a glance
OfficerSissi Yang
RolePlanning officer
Experience
Applications87 (2022–25)
Approval rate78%
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 Kingston Upon Thames planning register and published decision notices, 2022–25. · 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 Kingston Upon Thames 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.