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29 Tylney Avenue London Southwark SE19 1LN

25/AP/2629Certificate of Lawful Dev. - ProposedApproved
Outline / PiP

Approved on 23 October 2025

Council decision: Certificate of Lawfulness Prop- GRANTEDDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of Lawful Development (Proposed) for a rear dormer with rear velux and side elevation window.

Received
15 September 2025
Decision level
Delegated (officer decision)
Ward
Dulwich Wood
Agent
CANOPY PLANNING SERVICES LTD
  1. Received15 Sep
  2. Validated16 Sep
  3. Consult.
  4. Target10 Nov
  5. Decided23 Oct

Decided in 37 days (council typically 49)

About this application

This is an outline application for a dormer extension at 29 Tylney Avenue London Southwark SE19 1LN. Southwark has handled 202 applications of this type. This one was decided in 38 days, 11 days quicker than Southwark's typical decision time. There are no previous applications recorded at this address. In the past year there have been 83 applications across Dulwich Wood. We hold 1,190 applications in total for the SE19 postcode area.

94% of outline 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
SE19 1LN
Application type
Certificate of Lawful Dev. - Proposed
Scale / size
Small
Parish
Dulwich

Planning application dates

Date validated
16 September 2025
Target decision date
10 November 2025
Permission expires
23 October 2030

Applicant and agent

Agent
CANOPY PLANNING SERVICES LTD
Agent address
5 PALMERSTON COURT PALMERSTON ROAD SUTTON SM1 4QL United Kingdom

Planning decision

Statutory period
55 days

Additional information

Comments
0
Documents
21

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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