Development Intent
AtlasHillingdonOfficersRhian Thomas
Case officer · Hillingdon Planning

Rhian Thomas.

Active — last recorded decision May 2026

A case officer at Hillingdon with an approval rate of 86% across 1,643 decided planning applications, spanning 42 wards.[1] Decision speed and appeal performance publish when decision notices are ingested.

Planning officer1,643 decisions86% approvalSave
Hillingdon · 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 →
1,643
Applications
2021–26
Approval rate over time — tougher or softer 🔒Dashed line = London average
avg 81%89%202193%202286%202378%202484%202573%2026
Approval-rate trend is subscriber dataSubscribe to see the trend →
What they decide — by application type
How they compareVersus peers
Approval rate86% · 22nd of 59
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 Rhian Thomas'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 Rhian Thomas decided — 869 parsed notices. From the published notices themselves; their own report wording is parsed separately.

DMHB11Design of New DevelopmentHillingdon plan
104 times cited
DMHB14Trees and LandscapingHillingdon plan
34 times cited
NPPFNPPF
30 times cited
DMT2Highways ImpactsHillingdon plan
26 times cited
DMHB12Streets and Public Realm sets out how we canHillingdon plan
23 times cited
DMHD2OutbuildingsHillingdon plan
23 times cited
DMEI1Living Walls and Roofs and on-site VegetationHillingdon plan
22 times cited
DMT6Vehicle ParkingHillingdon plan
20 times cited
Which policies this officer leans on is subscriber intelligenceSubscribe to unlock →
Decisions by ward
Ward
Decisions
Approval rate

Where this officer's caseload concentrates, 2021–26.[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
64929/APP/2026/840
Planning Application
Refused
2026-06-04
10153/APP/2026/907
Planning Application
Refused
2026-06-04
64929/APP/2026/840
Planning Application
Refused
2026-06-04
10153/APP/2026/907
Planning Application
Refused
2026-06-04
Full application history locked
Subscribe to see all 1,643 decisions →
Consultants approved most— subscriber data
1. other TRICON DESIGN STUDIO
2. Other XEVA DESIGN LTD STUDIO
3. Amico Design Farriers Barn, Station Farm Denton Road, Horton Northampton NN7
4. Mr Kamal Panesar The Studio
At a glance
OfficerRhian Thomas
BoroughHillingdon
RolePlanning officer
Experience
Applications1,643 (2021–26)
Approval rate86%
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 Hillingdon planning register and published decision notices, 2021–26. · 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 Hillingdon 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.