6 Porlock Street London Southwark SE1 3RY Data via plota.co.uk

26/AP/2677 - Large Home Extensions Approved
Extensions & alterations

Proposal

Prior approval notification (Schedule 2, Part 1, Class A) for the construction of a single-storey rear extension projecting 4 metres from the original rear elevation of the property, with a maximum height of 3m. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Sept 2026
✓
Approved
13 Oct 2026

Approved on 13 Oct 2026 · Delegated Panel - Simple · Last checked 14 Oct 2026

Documents 11

Statements & assessments 1

PDF PLANNING STATEMENT Planning statement · 9 Sept 2026 View ↗

Plans & drawings 4

PDF 03 PROPOSED PLANS Plan - Proposed · 9 Sept 2026 View ↗ PDF 04 PROPOSED ELEVATIONS Plan - Proposed · 9 Sept 2026 View ↗ PDF 05 PROPOSED ELEVATIONS Plan - Proposed · 9 Sept 2026 View ↗ PDF 06B PROPOSED SECTION Plan - Proposed · 9 Sept 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 9 Sept 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL - GIA Form · 9 Sept 2026 View ↗

Consultation & comments 1

PDF FILE COPY - NEIGHBOUR NOTIFICATION+LIST Neighbour Notification List · 10 Sept 2026 View ↗

Other documents 3

PDF VALID APPLICATION LETTER WITH INVOICE Valid Application Letter · 10 Sept 2026 View ↗ PDF PHOTOGRAPHS AND PHOTOMONTAGES Photographs and photomontages · 9 Sept 2026 View ↗ PDF PHOTOGRAPHS AND PHOTOMONTAGES Photographs and photomontages · 9 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 12

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 ↗
Article 4 direction
Central Activities Zone. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Archaeological priority area: North Southwark and Roman Roads
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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 ↗
National infrastructure project 387 m away: Thames Tideway Tunnel
The site is 387 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 229 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
Scheduled monument 131 m away: Roman riverboat, 136m west of Greenwood Theatre
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
1 listed building within 150 m; Inside the Southwark built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Town centre 88 m away: London Bridge.
Not affected
Not green belt

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.

Sales history 2

Last sold for £850,000 in May 2025. Terraced house, freehold.

9 May 2025£850,000
14 February 1996£65,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area72 m² (775 sq ft)
Energy ratingD (66 out of 100), could reach B
PropertyMid-terrace house, 4 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2025, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

23 Oct 2026Pending

1 Porlock Street London Southwark SE1 3RY

Certificate of lawful development for the construction of a new rear extension, ...

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Important details

Council
Southwark
Application type
Large Home Extensions
Postcode
SE1 3RY
Received
9 Sept 2026
Validated
9 Sept 2026
Ward
London Bridge & West Bermondsey
Parish
Bermondsey And Rotherhithe
Case officer
Show
Target decision
19 Oct 2026
Decision
Prior Approval Not Required
Decision date
13 Oct 2026
Decision level
Delegated Panel - Simple
Applicant
Show
Agent
Show

How this decision compares

Decided in 34 days from validation, 17 days faster than Southwark's median of 51 for extensions. Approved, as 93% of extensions here are.

75%decided within 8 weeks
93%approved
657decided 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 14 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
19 Oct 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2024 Approved
Unit 1 5 Plantain Place London Southwark SE1 1YN
Change of use of the existing ground floor live-work unit to residential (Class C3) to pr…
24/AP/1526
2022 Approved
74-84 Long Lane London Southwark London SE1 4AU
Demolition of the existing building and the erection of an 11 storey building (including…
22/AP/2492
2022 Approved
27 Crosby Row London Southwark SE1 3YD
Alterations to roof including construction of new dormer windows to front and rear, repai…
22/AP/1685
2022 Approved
27 Crosby Row London Southwark SE1 3YD
Alterations to roof including construction of new dormer windows to front and rear, repai…
22/AP/1686
2021
1-4 Plantain Place Crosby Row London Southwark SE1 1YN
Demolition of parts of the existing buildings including commercial floorspace and x 2 res…
21/AP/4672
2020 Withdrawn
Balin House Long Lane London Southwark SE1 1YQ
Construction of a roof extension to form No. 4 new apartments (2 X 2B3P & 2 X 1B2P) with…
20/AP/1159
2019 Decided
74-84 Long Lane London Southwark
Demolition of the existing building and the erection of an 11 storey building together wi…
20/AP/0076
2019 Withdrawn
Plantain Place London SE1 1YN
Extension of the existing group of buildings towards South and West: to the South, a 3-st…
19/EQ/0091
2017 Withdrawn
74-84 Long Lane London SE1 4AU
Demolition of the existing building and the erection of a mixed-use 15 storey building co…
17/AP/2122
2016 Approved
5 Kipling Street London SE1 3RU
Change of use from a mixed use retail and residential unit to a fully residential 4-bedro…
16/AP/5106
2017 Refused
27 Crosby Row London SE1 3YD
Construction of two new dormer windows to the front elevation , and the replacement of tw…
17/AP/2626
2017 Refused
27 Crosby Row London SE1 3YD
Construction of two new dormer windows to the front elevation, and the replacement of two…
17/AP/2627
2017 Approved
89A Long Lane London SE1 4PH
Installation of a new shop front, enlargement of basement and new pennant lights.
17/AP/0698
2017 Approved
74-84 Long Lane London SE1 4AU
EIA Screening Opinion for demolition of the existing building and the erection of a 14 st…
17/AP/0826
2016 Approved
Unit 13 Baden Place 29-35 Crosby Row London SE1 1YW
Construction of roof top terrace with decked seating area on the existing flat roof compl…
16/AP/5051
2016 Approved
Baden Place Crosby Row London SE1 1YW
Display of black iron signage to the front elevation of the property, and wrought iron si…
16/AP/4565
2016 Approved
Unit 1 5 Plantain Place London SE1 1YN
Construction of a ground floor single storey infill extension to the rear with a roofligh…
16/AP/2318
2016 Withdrawn
5 KIPLING STREET, LONDON, SE1 3RU
Change of User Class from a shop (A1) to a dwelling (C3). Removing two doors and replacin…
16/AP/1679
2022 Approved
21-23 Crosby Row London Southwark SE1 3YD
The continued use of 21-23 Crosby Row, SE1 as offices. LBS Ref: 7717-77.
77/AP/7717
2025 Approved
27 Crosby Row London Southwark SE1 3YD
Details of condition 6 juliet balcony as required by planning application 22/AP/1686 date…
25/AP/3479
2025 Approved
27 Crosby Row London Southwark SE1 3YD
Details of condition 7 for Listed building consent 22/AP/1686 dated 30/11/2022 for "Alter…
25/AP/3480
2025 Refused
27 Crosby Row London Southwark SE1 3YD
Details of condition 4 samples to be prepared on site for review using London stock brick…
25/AP/3477
2025 Refused
27 Crosby Row London Southwark SE1 3YD
Details of condition 10 sample area required by Listed building consent ref no 22/AP/1686
25/AP/3482
2025 Approved
27 Crosby Row London Southwark SE1 3YD
Details of condiiton 5 roof coverings required by Listed building consent 22/AP/1686
25/AP/3478
2025
27 Crosby Row London Southwark SE1 3YD
Details of condition 8 replacement window details as required by planning permission 22/A…
25/AP/3481
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.