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34 Alleyn Road London Southwark SE21 8AL

26/AP/0376S.73 Vary/Remove Conds/Minor AlterationsApproved
Discharge / amendments

Approved on 17 March 2026

Site boundary (council red line)

Proposal

Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17/02/2025 for 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include -Changes to the size and position of rooflights -Changes to the design and type of rear elevation fenestration -Extension of the basement to the front to create a store for 2No. AC units and 2No. ASHP units

Received
6 February 2026
Ward
Dulwich Wood
Agent
Lucy Wood Architects
  1. Received6 Feb
  2. Validated10 Feb
  3. Consult.12 Mar
  4. Target6 Apr
  5. Decided17 Mar

Decided in 35 days (council typically 49)

About this application

This is an application to amend a permission at 34 Alleyn Road London Southwark SE21 8AL. Southwark has handled 146 applications of this type. This one was decided in 39 days, 10 days quicker than Southwark's typical decision time. There have been 3 other applications 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.

88% of amendment 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 8AL
Application type
S.73 Vary/Remove Conds/Minor Alterations
Scale / size
Small
Parish
Dulwich

Planning application dates

Date validated
10 February 2026
Last date for comments
12 March 2026
Target decision date
6 April 2026

Applicant and agent

Agent
Lucy Wood Architects
Architect profile
LUCY WOOD ARCHITECTS LTD
Agent address
18 Britten Street London SW3 3TU

Planning decision

Statutory period
55 days

Additional information

Comments
0
Documents
19

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.

Source: Southwark

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

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