165 Carshalton Park Road Carshalton SM5 3SF Data via plota.co.uk

DM2026/00678 - Householder Application Approved

Proposal

Installation of an air conditioning unit at ground floor, alterations to fenestrations, installation of a rooflight to ground rear floor roofslope, lighting and alterations to external finishes. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
3 Jun 2026
Validated
6 Jul 2026
Approved
24 Aug 2026

Approved on 24 Aug 2026 · Delegated Decision · Last checked 26 Aug 2026

Site constraints 4

Air quality management area: Sutton 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
1 listed building within 150 m; Inside the Sutton (Sutton) built-up area; Designated open space 44 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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

Council
Sutton
Application type
Householder Application
Postcode
SM5 3SF
Received
3 Jun 2026
Validated
6 Jul 2026
Ward
Carshalton Central
Case officer
Show
Decision
Application Granted
Decision date
24 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Walk-in Architecture

How this decision compares

Decided in 49 days from validation, 6 days faster than Sutton's median of 55 for extensions. Approved, as 86% of extensions here are.

91%decided within 8 weeks
86%approved
535decided in the last year

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

Public comments

No public comments yet.

Last counted 26 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Env. assessment
No
Sutton
Planning Authority Score
8.2/10
Excellent
#23 of 296 councils
Relevant to this application:
Householder decisions

Sutton is one of the fastest councils in England for householder decisions, ranking #14 out of 296. Only 13% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Sutton decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #118 of 296
93%
Householder approved
Above avg (90%) #138 of 296
91%
Decided in 8 weeks
Above avg (63%) #14 of 296
13%
Extended time limit
Below avg (41%) #8 of 296
71%
Minor dwellings approved
85 decided (1-9 homes)
89%
Major dwellings approved
9 decided (10+ homes)
81%
Change of use approved
26 decided
891
Total decisions
93 refused in the year to March 2026