150 Garrison Lane Chessington KT9 2JP Data via plota.co.uk

26/00499/HOU - Householder Approved

Proposal

Erection of single storey side porch extension Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
9 Mar 2026
Validated
20 Apr 2026
Consultation
27 Apr 2026
Approved
15 Jun 2026

Approved on 15 Jun 2026 · Delegated Decision · Last checked 27 Jul 2026

Site constraints 2

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.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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

Application type
Householder
Postcode
KT9 2JP
Received
9 Mar 2026
Validated
20 Apr 2026
Ward
Chessington South & Malden Rushett
Parish
South Of The Borough
Case officer
Show
Target decision
15 Jun 2026
Decision
Application Granted
Decision date
15 Jun 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 56 days from validation, about the council's usual 55 days. Approved, as 84% of extensions here are.

87%decided within 8 weeks
84%approved
602decided 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 →

Consultation & key dates

Alt. reference
PP-14763314
Neighbours
27 Apr 2026
Comments by
19 May 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