50 Trinity Gardens London SW9 8DR Data via plota.co.uk

26/01923/FUL - Full Planning Permission Refused

Proposal

Erection of a single storey rear infill extension at lower ground floor with flat roof and roof light, and alteration to rear outrigger with a roof light. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
29 Jun 2026
✗
Refused
28 Sept 2026
Appeal
Not lodged

Refused on 28 Sept 2026 · Delegated Decision · Last checked 30 Sept 2026

Site constraints 8

Trinity Gardens conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
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 ↗
10 listed buildings within 150 m
Nearest: 1-8 Gresham Almshouses, Grade II, 22 m away · 10 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 10 with distances
Historic England ↗
Also on the record
National infrastructure project 1795 m away: Thames Tideway Tunnel; Inside the Lambeth built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Tree preservation order 22 m away; Town centre 95 m away: Brixton.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.

Work with planning data?

Every application in Lambeth - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SW9 8DR
Received
29 Jun 2026
Validated
29 Jun 2026
Ward
Brixton Acre Lane
Case officer
Show
Target decision
24 Aug 2026
Decision
Refuse Permission
Decision date
28 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Archic

How this decision compares

Decided in 91 days from validation, 35 days slower than Lambeth's median of 56 for extensions. Refused, as 18% of extensions here are.

59%decided within 8 weeks
82%approved
835decided in the last year

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

Public comments

6comments received
6 supporting

100% support · above the UK average of 16%

5 neighbours consulted · Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
14 Aug 2026
Statutory expiry
24 Aug 2026
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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use