25A St Louis Road London SE27 9QN Data via plota.co.uk

26/02087/LDCP - Certificate of Lawful Use proposed Approved

Proposal

Application for a Certificate of Lawful Development with respect to erection of rear dormer roof extensions to the main rear roof slope and the existing outrigger, together with the installation of two front rooflights. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
17 Jul 2026
Approved
7 Sept 2026

Approved on 7 Sept 2026 · Delegated Decision · Last checked 11 Sept 2026

Site constraints 2

Air quality management area: Lambeth 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 Lambeth 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

Council
Lambeth
Application type
Certificate of Lawful Use proposed
Postcode
SE27 9QN
Received
17 Jul 2026
Validated
17 Jul 2026
Ward
Gipsy Hill
Case officer
Show
Decision
Grant Permission
Decision date
7 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
MoreSpace

How this decision compares

Decided in 52 days from validation, 4 days faster than Lambeth's median of 56 for extensions. Approved, as 80% of extensions here are.

61%decided within 8 weeks
80%approved
569decided in the last year

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

Public comments

No public comments yet.

Last counted 11 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Env. assessment
No
Lambeth
Planning Authority Score
2.7/10
Poor
#242 of 296 councils
Relevant to this application:
Householder decisions

Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Lambeth decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #274 of 296
81%
Householder approved
Below avg (90%) #273 of 296
62%
Decided in 8 weeks
Below avg (63%) #164 of 296
47%
Extended time limit
Above avg (41%) #209 of 296
46%
Minor dwellings approved
70 decided (1-9 homes)
100%
Major dwellings approved
9 decided (10+ homes)
42%
Change of use approved
53 decided
1,784
Total decisions
396 refused in the year to March 2026