Skip to content

Upper Flat, 47 Sydney Street and 31 Stewart's Grove, LONDON, SW3 6PX

PP/26/05733All OtherAwaiting 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

Extension to the rear of the building at first and second floor level, in-line with the existing extension, with alterations to the existing stairs to accommodate the new half-storeys. The repurposing of the first floor flat roof to the rear of the property as a terrace, including the replacement of an existing window with a doorway of a similar width for access. The repurposing of a conservatory roof, separate from the main house, into a terrace. With a bridge connecting the two terraces for access.

Submitted
9 November 2026
  1. Received9 Nov
  2. Validated
  3. Consult.
  4. Target
  5. Decided

About this application

This is a planning application for a conservatory at Upper Flat, 47 Sydney Street and 31 Stewart's Grove, LONDON, SW3 6PX. Kensington has handled 1,474 applications of this type. It has been with the council since 9 November 2026 and is still awaiting a decision. The site is in the Chelsea conservation area, with 2 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 185 applications across Stanley. We hold 1,788 applications in total for the SW3 postcode area.

95% of all other applications at Royal Borough of Kensington and Chelsea 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.Planning something similar? See what gets approved on your street

Application details

Postcode
SW3 6PX
Application type
All Other

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Chelsea
  • Listed building: 7-67 Sydney StreetOn or next to this site
  • Article 4 direction: Article 4 - No 100
  • Tree Preservation OrderCovers the site
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage 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.

Associated applications

  1. 2026
    9 Nov

    Extension to the rear of the building at first and second floor level, in-line with the existing extension…

    PendingAll OtherFiled alongsideLB/26/05734
  2. 2026
    9 Nov

    Extension to the rear of the building at first and second floor level, in-line with the existing extension…

    This applicationPendingAll OtherPP/26/05733

Source: Kensington

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SW3

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Before the decision

You may need a heritage statement. Heritage & archaeology consultants near this site

A listed building is on or next to this site.

See all heritage consultants near South Kensington

Nearest first, within 25 miles of the site. Every firm is listed free.

Planning something similar?

See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address