27 Highdown Worcester Park KT4 7JA Data via plota.co.uk

26/01716/CPU - Cert of Lawful Use/Operation - Proposed Approved

Proposal

Erection of hip to gable rear dormer roof extension and installation of 2nos front roof lights and one new gable end window. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
4 Aug 2026
✓
Approved
18 Sept 2026

Approved on 18 Sept 2026 · Delegated Decision · Last checked 24 Sept 2026

Site constraints 3

Air quality management area: Kingston upon Thames AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Kingston upon Thames built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Application type
Cert of Lawful Use/Operation - Proposed
Postcode
KT4 7JA
Received
4 Aug 2026
Validated
4 Aug 2026
Ward
Old Malden
Parish
New And Old Malden
Case officer
Show
Target decision
29 Sept 2026
Decision
Application Granted
Decision date
18 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Nikos Petropoulos

How this decision compares

Decided in 45 days from validation, 10 days faster than Kingston upon Thames's median of 55 for extensions. Approved, as 85% of extensions here are.

86%decided within 8 weeks
85%approved
838decided in the last year

Plota live figures for extensions decided by Kingston upon Thames in the last twelve months, from validation. Kingston upon Thames decision record →

Public comments

No public comments yet.

Last counted 24 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15123473
Planning Portal ref
PP-15123473
Statutory expiry
29 Sept 2026
Env. assessment
No
Kingston upon Thames
Planning Authority Score
6.5/10
Good
#76 of 296 councils
Relevant to this application:
Householder decisions

Kingston upon Thames is faster than most councils at deciding householder applications, ranking #33 out of 296. Only 20% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Kingston upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Kingston upon Thames decision statistics
Based on MHCLG data, the year to March 2026
75%
Overall approval rate
Below avg (87%) #288 of 296
82%
Householder approved
Below avg (90%) #266 of 296
81%
Decided in 8 weeks
Above avg (63%) #33 of 296
20%
Extended time limit
Below avg (41%) #18 of 296
44%
Minor dwellings approved
124 decided (1-9 homes)
60%
Major dwellings approved
10 decided (10+ homes)
42%
Change of use approved
26 decided
1,112
Total decisions
274 refused in the year to March 2026