17 Chapel Street London SW1X 7BY

26/04885/LBCListed Building Consent ApplicationAwaiting decision

Listed building consent

Site boundary (council red line)

Proposal

Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over and associated internal alterations (Linked with 26/04162/NMA)

Received: 21 July 2026
Decision due: 15 September 2026
Public comments: 0 · last counted 1 October 2026
Council: City of Westminster
Ward: Knightsbridge & Belgravia
Agent: DRY Architects Ltd

ReceivedReceived21 Jul
ValidatedValidated21 Jul
Consult.Consultation
TargetTarget Date15 Sep
DecidedDecided

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Comment on the council's site Documents (12)

About this application

This is a heritage application for a rear extension at 17 Chapel Street London SW1X 7BY. Westminster has handled 2,677 applications of this type. It has been with the council since 21 July 2026 and is still awaiting a decision. The site is in the Belgravia conservation area, with 18 listed buildings nearby. There have been 8 other applications at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,284 applications in total for the SW1X postcode area.

93% of heritage applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode: SW1X 7BY
Application type: Listed Building Consent Application
Scale / size: Small

Planning application dates

Date validated: 21 July 2026
Consultation expiry: 26 August 2026

Applicant and agent

Agent: DRY Architects Ltd
Agent address: 2 Stephen Street London W1T 1AN

Planning decision

Statutory period: 56 days

Publicity

Last advertised: 5 August 2026
Advertisement expiry: 26 August 2026

Additional information

Planning Portal ID: PP-15100993
Documents: 12

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Belgravia
Listed building: Grade II: 15-18, Chapel Street Sw1On or next to this site · +2 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (21)

flood storage areas, 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.

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

2026
21 Jul
Amendments to planning permission dated 24 July 2025 (25/01676/FULL
PendingNon-material amendmentPart of26/04162/NMA
2026
21 Jul
Erection of an additional storey at main roof level and a rear extension at lower ground floor level with…
This applicationPendingListed building consent26/04885/LBC

Planning history at this site

9 other applications at this property, newest first.

Source: Westminster

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

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Before the decision

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

This is an application for listed building consent.

Viable Placemaking Ltd
0.9 miLondon
RTPI
Adrian Salt And Pang Limited
1.5 miLONDON
RTPI
Fuller Long Planning Consultants
1.5 miLondon
RTPI

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