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17 Court Lane Gardens London Southwark SE21 7DZ

26/AP/0797Householder ApplicationApproved
Householder

Approved on 28 May 2026

Site boundary (council red line)

Proposal

Proposed loft conversion comprising construction of crown roof, 3nr dormer windows to front, side and rear roof slopes and 2nr rooflights to side elevation.

Received
19 March 2026
Ward
Dulwich Village
  1. Received19 Mar
  2. Validated20 Mar
  3. Consult.
  4. Target14 May
  5. Decided28 May

Decided in 69 days (council typically 49)

About this application

This is a full planning application for a loft conversion at 17 Court Lane Gardens London Southwark SE21 7DZ. Southwark has handled 1,045 applications of this type. This one was decided in 70 days, 3 weeks longer than Southwark's typical decision time. The site is in the Dulwich Village conservation area. There have been 2 other applications at this address. In the past year there have been 227 applications across Dulwich Village. We hold 1,063 applications in total for the SE21 postcode area.

93% of full applications at London Borough of Southwark were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
SE21 7DZ
Application type
Householder Application
Scale / size
Small
Parish
Dulwich

Planning application dates

Date validated
20 March 2026
Target decision date
14 May 2026

Applicant and agent

Agent
Plus Rooms
Agent address
Unit 30 NW Works 135 Salusbury Road London NW6 6RJ United Kingdom

Planning decision

Statutory period
55 days

Additional information

Comments
0
Documents
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Dulwich VillagePart of the site · +1 more
  • Registered park and garden: Dulwich ParkPart of the site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, 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.

Associated applications

  1. 2026
    19 Mar

    Proposed single storey rear and side extension.

    ApprovedHouseholderFiled alongside26/AP/0796
  2. 2026
    19 Mar

    Proposed loft conversion comprising construction of crown roof, 3nr dormer windows to front, side and rear…

    This applicationApprovedFull26/AP/0797

Source: Southwark

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

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