Council planning record

Non-material amendment to planning permission 25/AP/3772 (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.) The amendment seeks to remove the approved basement extension and reconfigure the terrace above; remove the approved south side (staircase) extension; replace the approved two side-facing windows within the existing annexe with a single high level window; amend the description of development accordingly; and remove Condition 11 (Basement Impact Assessment), which is no longer required.

15 Sydenham Hill London Southwark SE26 6SH

Under consideration/assessmentReference: 26/AP/2548London Borough of Southwark

Last published check: 20 Sept 2026, 14:12. Check the council record for more recent changes.

Application location

15 Sydenham Hill London Southwark SE26 6SH

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Application summary

Status
Under consideration/assessment
Application type
Variation: Non-Material Changes
Received
26 Aug 2026
Validated
9 Sept 2026
Determination deadline
6 Oct 2026
Local authority
London Borough of Southwark

Application overview

Non-material amendment to planning permission 25/AP/3772 (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.) The amendment seeks to remove the approved basement extension and reconfigure the terrace above; remove the approved south side (staircase) extension; replace the approved two side-facing windows within the existing annexe with a single high level window; amend the description of development accordingly; and remove Condition 11 (Basement Impact Assessment), which is no longer required.

Proposal details

Reference
26/AP/2548
Ward
Dulwich Wood
Agent
PLANSTUDIO ARCHITECTURE

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Documents 12 of 12

DocumentPublishedAction
LOCATION PLAN AS PROPOSEDPlan - Proposed · PDF9 Sept 2026View
BASEMENT PLAN AS PROPOSEDPlan - Proposed · PDF9 Sept 2026View
DESIGN STATEMENT REV BDesign and Access statement · PDF9 Sept 2026View
VALID APPLICATION LETTER WITH INVOICEValid Application Letter · PDF9 Sept 2026View
APPLICATION FORM - WITHOUT PERSONAL DATAApplication - Form (Without Personal data) · PDF26 Aug 2026View
SITE PLAN AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
FRONT & REAR ELEVATIONS AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
SECTION 2 AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
SECTION 1 AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
SIDE ELEVATIONS AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
FIRST FLOOR PLAN AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View
GROUND FLOOR PLAN AS PROPOSEDPlan - Proposed · PDF26 Aug 2026View

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  1. Application Received Date

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  3. Determination Deadline

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Decision & conditions

Decision not yet published

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