23 Alberta Street London Southwark SE17 3SF Data via plota.co.uk

26/AP/2574 - Certificate of Lawful Dev. - Proposed Pending
Extensions & alterations

Proposal

Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Sept 2026
✓
Validated
8 Sept 2026
Decision
Expected by 2 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 29 Oct 2026, from Southwark's recent extensions.

Documents 8

Statements & assessments 1

PDF PLANNING STATEMENT Planning statement · 1 Sept 2026 View ↗

Plans & drawings 3

PDF PL-006 REV A PROPOSED ELEVATIONS Plan - Proposed · 8 Sept 2026 View ↗ PDF PL-002 EXISTING AND PROPOSED BLOCK PLAN Site - Block plan · 1 Sept 2026 View ↗ PDF PL-004 PROPOSED FLOOR PLANS Plan - Proposed · 1 Sept 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 1 Sept 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL - GIA Form · 1 Sept 2026 View ↗

Consultation & comments 1

PDF FILE COPY - NEIGHBOUR NOTIFICATION+LIST Neighbour Notification List · 8 Sept 2026 View ↗

Other documents 1

PDF VALID APPLICATION LETTER WITH INVOICE Valid Application Letter · 8 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 7

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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Conservation area 54 m away: Pullens Estate; 1 listed building within 150 m; Inside the Southwark built-up area; Town centre 57 m away: Elephant and Castle/ Walworth Road.
Not affected
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
Southwark
Application type
Certificate of Lawful Dev. - Proposed
Postcode
SE17 3SF
Received
1 Sept 2026
Validated
8 Sept 2026
Ward
Newington
Parish
Borough, Bankside And Walworth
Case officer
Show
Target decision
2 Nov 2026
Applicant
Show
Agent
Larissa Johnston Architects

Decision outlook

Day 4 of the 56-day target. Southwark usually decides extensions by day 51.

Day 452 days to the 56-day target
78%decided within 8 weeks
94%approved
95%go to committee

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

Public comments

No public comments yet.

Last counted 9 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
2 Nov 2026
Env. assessment
No

Historical activity at this location

10 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2022 Approved
Certificate of lawfulness (proposed) for the construction of a new front porch, single st…
22/AP/0196
Within ~100m

Nearby activity

2023 Approved
Guinness Buildings Kennington Park Road London Southwark SE11 4JD
Replacement of 12No. Sliding sash UPVC windows with new automatic side opening powder coa…
23/AP/1189
2022 Approved
Unit 3 4 Canterbury Place London Southwark SE17 3AG
Alterations and creation of new shop front
22/AP/4143
2020 Approved
5 Wesley Close London Southwark SE17 3AU
Certificate of lawful development (proposed) for the construction of a dormer extension a…
20/AP/0635
2019 Approved
Guinness Buildings Kennington Park Road London Southwark SE11
Replacement of 4 No. Sliding sash UPVC windows with new automatic side opening powder coa…
19/AP/2490
2019
23 Alberta Street London SE17 3SF
Proposed alterations including:Ground floor: Small glass, aluminium and brick porch. Seco…
19/EQ/0142
2018 Withdrawn
ALBERT WESTCOTT HOUSE ALBERTA ESTATE, ALBERTA STREET, LONDON, SE17 3SE
Replacement of the existing communal windows, which are a mixture of steel/timber and PVC…
18/AP/2665
2018 Withdrawn
HAROLD MADDISON HOUSE ALBERTA ESTATE, ALBERTA STREET, LONDON, SE17 3SG
Replacement of the existing communal windows, which are a mixture of steel/timber and PVC…
18/AP/2666
2019 Approved
15 Alberta Street London SE17 3SF
Certificate of lawfulness (proposed) for construction of a ground floor rear extension, a…
19/AP/0612
2018 Withdrawn
32A Penton Place London SE17 3JT
Construction of rear ground floor extension
18/AP/2723
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
Source: MHCLG planning statistics · See full council rankings