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25 Relf Road London Southwark SE15 4JT

26/AP/1671Approved

Approved on 7 August 2026

Council decision: Householder - GRANTED4 conditions

Site boundary (council red line)

Proposal

Construction of L-shaped dormer loft extension along with raising the ridge line 400mm and the installation of 2No rooflights on front roof slope.

Received
11 June 2026
  1. Received11 Jun
  2. Validated17 Jun
  3. Consult.
  4. Target
  5. Decided7 Aug

Decided in 51 days

About this application

This is a planning application for a dormer extension at 25 Relf Road London Southwark SE15 4JT. Southwark has handled 7,761 applications of this type. This one was decided in 51 days. The site is in 1 listed building nearby. There has been 1 other application at this address. We hold 1,344 applications in total for the SE15 postcode area.

Application details

Postcode
SE15 4JT

Planning application dates

Date validated
17 June 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

1 other application at this property, newest first.

  1. 2024
    18 Nov

    Erection of a single storey rear extension

    ApprovedHouseholder24/AP/3395

Source: Southwark

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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