123 Benhill Road London Southwark SE5 7LZ Data via plota.co.uk

26/AP/2138 - Householder Application Approved

Proposal

Construction of a single storey side extension at lower ground level. Existing lean-to rear extension pitched roof changed to a flat roof, to match the height of the taller element of the side extension. 1nr rooflight and a green roof over rear extension. Door sill to raised ground floor Juliet balcony raised by 300mm to allow for the new side extension roof. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
20 Jul 2026
Validated
21 Jul 2026
Approved
10 Sept 2026

Approved on 10 Sept 2026 · Delegated Panel - Simple · Last checked 10 Sept 2026

Documents 18

All documents on the council site ↗

Site constraints 4

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Air quality management area: Southwark 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 Southwark built-up area; Designated open space 20 m away.
Not affected
Not green belt · No listed building at the site · 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
Southwark
Application type
Householder Application
Postcode
SE5 7LZ
Received
20 Jul 2026
Validated
21 Jul 2026
Ward
St Giles
Case officer
Show
Target decision
14 Sept 2026
Decision
Householder - GRANTED
Decision date
10 Sept 2026
Decision level
Delegated Panel - Simple
Applicant
Show
Agent
Aarvold McLean Architecture

How this decision compares

Decided in 51 days from validation, about the council's usual 51 days. Approved, as 94% of extensions here are.

78%decided within 8 weeks
94%approved
468decided in the last year

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

Public comments

No public comments yet.

2 neighbours consulted · Last counted 10 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
14 Sept 2026
Env. assessment
No
Southwark
Planning Authority Score
7/10
Good
#64 of 296 councils
Relevant to this application:
Householder decisions

Southwark is faster than most councils at deciding householder applications, ranking #54 out of 296. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Southwark decision statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #93 of 296
95%
Householder approved
Above avg (90%) #92 of 296
78%
Decided in 8 weeks
Above avg (63%) #54 of 296
37%
Extended time limit
Below avg (41%) #122 of 296
92%
Minor dwellings approved
259 decided (1-9 homes)
86%
Major dwellings approved
14 decided (10+ homes)
82%
Change of use approved
38 decided
1,622
Total decisions
132 refused in the year to March 2026