15 Sydenham Hill London Southwark SE26 6SH Data via plota.co.uk

26/AP/2227 - Approval of Details Under consideration/assessment

Proposal

Details of Condition 5 (Detailed drawings) as required by planning permission 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'… Data via plota.co.uk

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Application progress

✓

Received

27 Jul 2026

✓

Validated

28 Jul 2026

Decision

Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents 2

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 27 Jul 2026 View ↗

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Important details

Council: Southwark
Application type: Approval of Details
Postcode: SE26 6SH
Received: 27 Jul 2026
Validated: 28 Jul 2026
Ward: Dulwich Wood
Parish: Dulwich
Case officer: Show
Target decision: 21 Sept 2026
Applicant: Show
Agent: Planstudio Architecture

Public comments

No public comments yet.

Last counted 17 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

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 performance

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