84 Isham Road Norbury London SW16 4TF
Refused on 15 December 2025
Council decision: Permission RefusedDelegated (officer decision)7 reasons for refusal
Proposal
Conversion of a single family dwelling into 3 self contained flats (1x 2 bedroom and 2x1 bedroom), alterations to include alterations to land levels at rear/retaining wall/steps, erection of gable end roof extension, dormer extension on the rear roof slope and erection of a single storey rear extension
- Received
- 26 September 2025
- Decision level
- Delegated (officer decision)
- Public comments
- 7
- Council
- London Borough of Croydon
- Ward
- Norbury And Pollards Hill
- ReceivedReceived26 Sep
- ValidatedValidated20 Oct
- Consult.Consultation12 Nov
- TargetTarget Date15 Dec
- DecidedDecided15 Dec
Decided in 56 days (council typically 56)
About this application
This is a full planning application for a single storey rear extension at 84 Isham Road Norbury London SW16 4TF. Croydon has handled 3,635 applications of this type. This one was decided in 80 days, 3 weeks longer than Croydon's typical decision time. There are no previous applications recorded at this address. In the past year there have been 68 applications across Norbury And Pollards Hill. We hold 3,708 applications in total for the SW16 postcode area.
79% of full applications at London Borough of Croydon 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
- The proposal would result in the loss of an original three bedroom house with an internal floor area less than 130m2. There would also be no provision of a replacement dwelling with three or more bedrooms, for which there is an identified need in the borough and would thereby conflict with Policies SP2.7 and DM1.2 of the Croydon Local Plan (2018).
- The required refuse would result in visual clutter that would harm the visual appearance of the streetscene and the character of the area and would thereby conflict with Policies SP4, DM10 and DM13 of Croydon Local Plan (2018) and Policy D3 of London Plan (2021).
- The proposed single storey rear extension would be detrimental to the amenities of the occupiers of the adjoining property, no. 86 Isham Road by reason of its size, siting, and height resulting in loss of outlook, visual intrusion and overbearing impact and would thereby conflict with Policies SP4 and DM10 of the Croydon Plan (2018) and Policy D3 of the London Plan (2021).
- The proposed development would result in sub-standard living accommodation for future residents by virtue of inadequate floor areas, poor internal and external layout, poor outlook and light, privacy, lack of storage, poor outdoor amenity space and that it has not been demonstrated that the required floor to ceiling heights would be achieved and would thereby conflict with Policies SP2 and DM10 of the Croydon Local Plan (2018), Policies D3 and D6 of the London Plan (2021) and the Technical Housing Standards - Nationally Described Space Standard (2015).
- The applicant has failed to demonstrate through Parking Stress Surveys that the overspill parking would not exacerbate the on-street parking stress for existing residents and would thereby conflict with policies SP8, DM29, and DM30 of the Croydon Local Plan (2018) and Policies T4, T6 and T6.1 of the London Plan (2021).
- The applicant has failed to demonstrate that adequate cycle storage facilities would be provided to serve the needs of future occupiers which would be accessible and would thereby conflict with Policies DM16, DM29 and DM30 of the Croydon Local Plan (2018) and Policy T5 including table 10.2 of the London Plan (2021).
- The applicant has failed to demonstrate that adequate refuse storage facilities would be provided to serve the development and meet the needs of future residents, and which would be conveniently located and easily accessible by occupants, and operatives. The proposal would thereby conflict with Policy DM13 of the Croydon Local Plan (2018) and Policies D6 including table 3.2 and SI7 of the London Plan (2021).
From the council's decision notice.
Application details
- Postcode
- SW16 4TF
- Application type
- Full planning permission
- Scale / size
- Small
Planning application dates
- Date validated
- 20 October 2025
- Consultation expiry
- 12 November 2025
- Consultation start
- 6 November 2025
- Neighbour consultation start
- 20 October 2025
- Neighbour consultation end
- 12 November 2025
- Target decision date
- 15 December 2025
Planning decision
- Statutory period
- 56 days
Additional information
- Planning Portal ID
- PP-14326624
- Documents
- 24
- Constraints
- 2
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (22)
flood storage areas, conservation 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: Croydon
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Find contractors for extensions near this site- Bello Electrics LTDVerifiedElectrician0.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering2.1 mi
- Lambert Heating & Renewables LtdVerified4.0 mi
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