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70 Ferndale Road London SW4 7SE

25/03779/FULFull Planning PermissionRefused
Full

Refused on 5 March 2026

1 reason for refusal

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

Creation of a roof terrace to the rear outrigger, including a glazed balustrade, a walk on roof light and the replacement of the rear window with a glazed door and fanlight, plus extension of the parapet and alteration to the chimney. (Flat B).

Received
5 December 2025
Public comments
1
Ward
Brixton Acre Lane
Agent
Stephen Kavanagh Architects Ltd
  1. Received5 Dec
  2. Validated9 Jan
  3. Consult.4 Feb
  4. Target6 Mar
  5. Decided5 Mar

Decided in 55 days (council typically 56)

About this application

This is a full planning application for an extension at 70 Ferndale Road London SW4 7SE. Lambeth has handled 398 applications of this type. This one was decided in 90 days, 5 weeks longer than Lambeth's typical decision time. The site is in the Ferndale Road conservation area. There are no previous applications recorded at this address. In the past year there have been 54 applications across Brixton Acre Lane. We hold 2,297 applications in total for the SW4 postcode area.

70% of full applications at London Borough of Lambeth 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.See what's approved near your address

Why it was refused

  1. By reason of the loss of the historic fabric of the mono-pitched roof and the introduction of visual clutter by way of a taller parapet and glazed balustrading, the proposal would disrupt the key architectural characteristic of the locally listed terrace in a location that is highly visible from the railway line. The proposal would cause less than London planning@lambeth.gov.uk SW2 9QQ substantial harm to the locally listed building, no. 70 Ferndale Road, less than substantial harm to the locally listed terrace on the north side of Ferndale Road and less than substantial harm to the Ferndale Road Conservation Area. The harm has not been outweighed by public benefits. The proposal would be contrary to the objectives of the NPPF (2024) and Policies Q5, Q8, Q11, Q22 and Q23 of the Lambeth Local Plan (2021).

From the council's decision notice.

Application details

Postcode
SW4 7SE
Application type
Full Planning Permission
Scale / size
Small

Planning application dates

Date validated
9 January 2026
Consultation expiry
6 February 2026
Consultation end
4 February 2026
Neighbour consultation end
4 February 2026
Target decision date
6 March 2026

Applicant and agent

Agent
Stephen Kavanagh Architects Ltd
Architect profile
STEPHEN KAVANAGH ARCHITECTS LTD
Agent address
Stephen Kavanagh Architects Third Floor, The Department Store, 248 Ferndale Road LONDON SW9 8FR

Planning decision

Statutory period
56 days

Publicity

Advertisement expiry
6 February 2026
Site notice end
6 February 2026

Additional information

Documents
25
Constraints
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Ferndale Road (Jennings Estate)
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage 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: Lambeth

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

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