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2, Hampton Road, Worcester Park, KT4 8ET

DM2026/00646Full planning permissionRefused
Full

Refused on 21 July 2026

2 reasons 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

Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.

Submitted
27 May 2026
  1. Received27 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided21 Jul

Decided in 55 days (council typically 56)

About this application

This is a planning application for a dormer extension at 2, Hampton Road, Worcester Park, KT4 8ET. Sutton has handled 252 applications of this type. This one was decided in 55 days. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 59 applications across Worcester Park South. We hold 609 applications in total for the KT4 postcode area.

73% of full planning permission applications at London Borough of Sutton 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. The proposal, and the rear dormer extension in particular, by reason of its orientation, design, size, width and the choice of flat roof form, would create an incongruous addition to the dwelling that would appear box-like and top-heavy on the rear elevation that would be readily visible from the Balmoral Road streetscene and would adversely impact on the character and appearance of the main building, the Balmoral Road streetscene to the south east of the site and the surrounding area, contrary to Policy 28 of the Sutton Local Plan and the guidance in Supplementary Planning Document 'Design of Residential Extensions' (SPD4) and Sutton's Urban Design Guide 'Creating Locally Distinctive Places' SPD (SPD14).
  2. The proposed loft conversion fails to provide an acceptable standard of internal living conditions for current and future occupiers of Flat 2. The proposed additional bedroom would have an internal floor-to-ceiling height that falls substantially short of minimum standard under London's policy, as well as national internal space standards. The proposed bedroom within the loft would restrict circulation space and fail to ensure adequate daylight and ventilation, therefore, the proposal fails to mitigate negative health impacts such as poor ventilation, overheating, or restricted space. The proposed development would therefore be contrary to Policy D6 and GG3 of the London Plan 2021 and Policy 9 of the Sutton Local Plan 2018.

From the council's decision notice.

Application details

Postcode
KT4 8ET
Application type
Full planning permission

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. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

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: Sutton

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

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