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20 Northbourne Road London SW4 7DJ

25/03791/LDCECertificate of Lawful Use existingRefused
Lawful development certificate

Refused on 2 April 2026

Council decision: Refuse PermissionDelegated (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

Application for Certificate of Lawfulness (Existing) with respect to use of the property as a single dwellinghouse.

Received
8 December 2025
Decision level
Delegated (officer decision)
Ward
Clapham Common & Abbeville
Agent
RPS Group plc
  1. Received8 Dec
  2. Validated8 Dec
  3. Consult.
  4. Target2 Feb
  5. Decided2 Apr

Decided in 115 days (council typically 56)

About this application

This is an application to amend a permission at 20 Northbourne Road London SW4 7DJ. Lambeth has handled 201 applications of this type. This one was decided in 115 days, 8 weeks longer than Lambeth's typical decision time. The site is in the Clapham Park and Northbourne Road conservation area. There are no previous applications recorded at this address. In the past year there have been 83 applications across Clapham Common & Abbeville. We hold 2,297 applications in total for the SW4 postcode area.

79% of amendment 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

Application details

Postcode
SW4 7DJ
Application type
Certificate of Lawful Use existing
Scale / size
Small

Planning application dates

Date validated
8 December 2025
Target decision date
2 February 2026

Applicant and agent

Agent
RPS Group plc
Agent address
101 Park Drive Milton Park Abingdon OX14 4RY

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
7
Constraints
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Clapham Park Road/Northbourne Road
  • 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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