2 Buckingham Avenue Thornton Heath CR7 8AS

26/01672/FULRefused

Refused on 31 July 2026

Site boundary (council red line)

Proposal

Erection of a hip to gable end roof extension and installation of 3x roof lights within the front roof slope. Erection of a single/two storey side/rear extension and construction of a dormer extension within the rear roof slope, installation of porch roof on the front elevation. Subsequent conversion to form 3 self-contained flats and provision of amenity space, refuse and cycle storage.

Submitted: 9 June 2026
Council: London Borough of Croydon

ReceivedSubmitted9 Jun
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided31 Jul

Decided in 52 days

About this application

This is a planning application for a dormer extension at 2 Buckingham Avenue Thornton Heath CR7 8AS. Croydon has handled 19,636 applications of this type. This one was decided in 52 days, 4 days quicker than Croydon's typical decision time. There have been 5 other applications at this address. We hold 1,530 applications in total for the CR7 postcode area.

Why it was refused

The proposed development when taken as a whole would detract from the appearance of the building and would be detrimental to the amenities of the street scene by reason of its poor design, cramped nature, prominent siting, mass, bulk and incongruous nature and would thereby conflict with Policies SP4 and DM10 of the Croydon Local Plan (2018) and Policies D3 and D4 of the London Plan (2021).
The proposal would result in cramped living conditions by virtue of inadequate floor areas and floor to ceiling heights. In addition, the outdoor amenity spaces are poorly designed with no direct access from Flats 2 and 3 while Flat 1 would suffer from poor levels of privacy due to a lack of defensible space. The proposal would be contrary to Policies D3 and D6 of the London Plan 2021, Policies SP2, SP4 and DM10 of the Croydon Local Plan 2018, the Mayor's Housing SPG (2016) and the National Described Technical Housing Standards (2015) (NDSS).

From the council's decision notice.

Application details

Postcode: CR7 8AS

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)

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.

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.

Planning history at this site

5 other applications at this property, newest first.

Source: Croydon

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

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