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Flat Rear Of 12, Sydenham Road, London, SE26 5QW

DC/23/130199Full Planning PermissionRefused
Full

Refused on 23 May 2023

Delegated (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

Construction of a 2-storey extension to the upper floors at the rear, together with internal and external alterations to provide 8 self-contained flats at 12 Sydenham Road SE26

Received
2 February 2023
Decision level
Delegated (officer decision)
Ward
Sydenham
  1. Received2 Feb
  2. Validated28 Mar
  3. Consult.23 May
  4. Target23 May
  5. Decided23 May

Decided in 56 days (council typically 56)

About this application

This is a full planning application for an extension at FLAT REAR OF 12, SYDENHAM ROAD, LONDON, SE26 5QW. Lewisham has handled 2,816 applications of this type. This one was decided in 110 days, 8 weeks longer than Lewisham's typical decision time. The site is in the Sydenham Thorpes conservation area. There are no previous applications recorded at this address. In the past year there have been 112 applications across Sydenham. We hold 2,166 applications in total for the SE26 postcode area.

85% of full applications at London Borough of Lewisham were approved. Across all application types, the council typically decides in about 8 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
SE26 5QW
Application type
Full Planning Permission
Scale / size
Small

Planning application dates

Date validated
28 March 2023
Consultation expiry
5 April 2023
Neighbour consultation start
3 April 2023
Last date for comments
23 May 2023
Target decision date
23 May 2023

Applicant and agent

Agent
Leslie Osborn Architectural Consult
Agent address
4 Danson Mead, Welling, Kent, DA16 1RU

Planning decision

Statutory period
56 days

Publicity

Last advertised
5 April 2023
Site notice start
5 April 2023

Additional information

Planning Portal ID
PP-11903040
Comments
0
Documents
12
Constraints
6

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Sydenham Thorpes
  • Article 4 direction: Small HMO Northern Extension+1 more
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, listed buildings, 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: Lewisham

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

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