Development Intent
AtlasBrentOfficersJames Mascall
Case officer · Brent Planning

James Mascall.

Active — last recorded decision May 2026

A case officer at Brent with an approval rate of 67% across 440 decided planning applications, spanning 19 wards.[1] Decision speed and appeal performance publish when decision notices are ingested.

Planning officer440 decisions67% approvalSave
Brent · 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 →
440
Applications
2021–26
Approval rate over time — tougher or softer 🔒Dashed line = London average
avg 81%70%202164%202261%202378%202488%2025100%2026
Approval-rate trend is subscriber dataSubscribe to see the trend →
What they decide — by application type
How they compareVersus peers
Approval rate67% · 25th of 43
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 reports506 officer reports parsed
24%
Approves despite concerns
of approvals record a documented reservation
11%
Negotiated approvals
approvals mentioning revisions/amendments
6%
"On balance" reports
reports using explicit balancing language
61%
Bespoke reasoning
of report text written for the case, not recited
What they write about — vs Brent's average officer

Topic mentions per 1,000 words of their own report text (boilerplate stripped), indexed against all parsed Brent reports. Attention, not stance.

Character & heritage
1.11× borough avg
Materials & detailing
1.06× borough avg
Trees & landscape
1.05× borough avg
Daylight & sunlight
1.03× borough avg
Privacy & overlooking
0.96× borough avg

Mark = borough average (1×). Bar capped at 2×.

How they reason — coded from their reports

Mascall's Certificate of Lawfulness reports set out hip-to-gable and dormer roof volumes with the multiplication shown explicitly and answer the full GPDO question set even where most answers are 'N'. Reports involving heritage assets check Historic England/Archaeological Priority Area status directly and track conservation-officer amendment correspondence with specific dates.

Observable habits

· shows the multiplication behind hip-to-gable and dormer roof volumes explicitly, then sums them against the 40/50 cubic metre GPDO limit

· checks Historic England consultation and Archaeological Priority Area status directly for heritage-adjacent sites rather than assuming no archaeological interest

· tracks the specific dates of conservation-officer comment and applicant amendment exchanges through an application

What their reports consistently look for

· what this officer's reports consistently look for: the explicit multiplication behind hip-to-gable and dormer volumes before they are summed against the GPDO limit

· what this officer's reports consistently look for: whether Historic England or an Archaeological Priority Area designation applies before ruling out archaeological harm

· what this officer's reports consistently look for: the specific dates of conservation officer comment and applicant amendment exchanges

Assigned James Mascall on a live case?What they pay attention to, how they reason, and what their reports consistently look for — so you can address it before they raise it.Subscribe to unlock →
In their own words

Historic England were consulted during the course of the application and did not request any additional information.

21/2379

Depth: 8.27m Width: 4.28m Height: 3.22m Total increase: 8.27m x 4.28m x 3.22m / 6 = 19 cubic metres

21/2221

Measured from 506 published Brent officer reports written by this officer, with recited policy boilerplate stripped before any counting. These describe how this officer works and writes — they are not outcome predictions. Every quote is from a named public report.

Policy playbook — what this officer cites[3]

The policies this officer cites most in their own reports — times cited across 506 parsed reports. Whether refusals citing each survive appeal isn't traced per policy yet.

DMP1DEVELOPMENT MANAGEMENT GENERAL
234 times cited
D12a
226 times cited
BD1Leading the Way in Good Urban Design
207 times cited
BSUI4ON-SITE WATER MANAGEMENT AND
181 times cited
BGI1GREEN AND BLUE INFRASTRUCTURE IN BRENT
170 times cited
BHC1BRENT’S HERITAGE ASSETS
80 times cited
BT2PARKING AND CAR FREE DEVELOPMENT WHICH ARE
38 times cited
T6Car parking
27 times cited
Which policies this officer leans on is subscriber intelligenceSubscribe to unlock →
Decisions by ward

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
23/3250
Full Planning Permission
Approved
2026-04-27
26/0665
Full Planning Permission
2026-03-16
23/3250
Full Planning Permission
Approved
2026-04-27
26/0665
Full Planning Permission
2026-03-16
Full application history locked
Subscribe to see all 440 decisions →
Consultants approved most— subscriber data
1. Bellis Architects
2. KDB BUILDING DESIGNS LTD
3. CarneySweeney
4. IDEAL Design Ltd
At a glance
OfficerJames Mascall
BoroughBrent
RolePlanning officer
Experience
Applications440 (2021–26)
Approval rate67%
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 Brent 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 — Brent's decision-notice parsing is limited coverage, so no borough or officer figure is shown.
  4. [4]"How this officer decides", the policy playbook and all quotes — parsed from 506 published Brent officer reports written by this officer, recited policy boilerplate stripped before counting; disposition text coded from their own reasoning with every quote machine-verified verbatim. Descriptive of how they work — not outcome predictions.
Methodology is published in full so every number is traceable to its primary source.