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51 Alleyn Road London Southwark SE21 8AD

26/AP/0717Variation: Non-Material ChangesApproved
Discharge / amendments

Approved on 21 July 2026

8 conditions

Site boundary (council red line)

Proposal

Non-material amendment of planning permission 24/AP/0675 (Variation of Condition 1 'Approved Plans' of planning permission 22/AP/3632 dated 31/03/2023 for 'Demolition of an existing two-storey dwellinghouse and the construction of a 3-storey with basement dwellinghouse.' Amendments include: changes to roof to create single roof form with continuous eaves and ridge height; changes to positioning of PV panels and positioning and form of dormer windows; changes to footprint and massing of building, including setting flanks back from front elevation; repositioning and reducing footprint of basement; addition of canopy to rear elevation; replacement of front boundary wall and gates; repositioning of air source heat pump within rear garden; and changes to external detailing, windows and doors, front canopy, bin store and internal layout.) to replace the lead canopy at the front of the property with a corten steel canopy, and replacing the glazed pergola at the rear with an aluminium louvred pergola.

Received
12 March 2026
Ward
Dulwich Wood
Agent
Knox Bhavan Architects Ltd
  1. Received12 Mar
  2. Validated16 Apr
  3. Consult.
  4. Target13 May
  5. Decided21 Jul

Decided in 96 days (council typically 49)

About this application

This is an application to vary a condition at 51 Alleyn Road London Southwark SE21 8AD. Southwark has handled 1,341 applications of this type. This one was decided in 131 days, 12 weeks longer than Southwark's typical decision time. There has been 1 other application at this address. In the past year there have been 83 applications across Dulwich Wood. We hold 1,063 applications in total for the SE21 postcode area.

97% of conditions 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 8AD
Application type
Variation: Non-Material Changes
Scale / size
Small
Parish
Dulwich

Planning application dates

Date validated
16 April 2026
Target decision date
13 May 2026

Applicant and agent

Agent
Knox Bhavan Architects Ltd
Architect profile
KNOX BHAVAN ARCHITECTS LTD
Agent address
69 Choumert Road London SE15 4AR

Planning decision

Statutory period
27 days

Additional information

Comments
0
Documents
31

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Tree Preservation Order: Ref 168Part of the site · +3 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, Article 4 directions, 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.

Source: Southwark

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

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