Planning application
8 Chesham Street London SW1X 8DT
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Installation of new stairs in the lightwell. Associated internal alterations to relocate an electrical consumer board.
As published by the council, reference 25/03773/FULL
Application record
- Reference
- 25/03773/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 4 Jun 2025
- Validated
- 6 Jun 2025
- Decided
- 22 Oct 2025
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 8DT
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/03774/LBC Granted
8 Chesham Street London SW1X 8DT
Installation of new stairs in the lightwell. Associated internal alterations to relocate an electrical consumer board.
Timeline
Dates from the published record
-
4 Jun 2025
Received by Westminster
-
6 Jun 2025
Validated
Checked as complete and ready for consideration.
-
22 Oct 2025
Decision issued: Application Permitted
-
30 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Sequence Design & Project Management Agent, a design practice
4 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
17 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 22 October 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
8 Chesham Street London SW1X 8DT
Installation of new stairs in the lightwell. Associated internal alterations to relocate an electrical consumer board.
Granted Heritage and listed buildings 17 docs -
75 Eaton Place London SW1X 8DR
Amalgamation of nos.75 and 77 Eaton Place by creating a doorway at lower-ground floor level. (Retrospective application)
Granted Heritage and listed buildings 7 docs -
Chalfont House, 19-21 Chesham Street, London, SW1X 8NG
Prune 9x various as specified
Granted Trees 6 docs -
Flat 5, 13-15 Chesham Street, London, SW1X 8ND
Infill extension to existing rear terrace and internal refurbishments.
Granted Full applications Extension 19 docs -
Apartment 2 79 Eaton Place London SW1X 8DR
88% historically approved · decision due ~23 Oct
Full refurbishment including installation of new windows and external doors, internal wall insulation, new roof and openings to rear closet wing, internal alterations to include new stair and rearrangement of rooms and a new ASHP on roof of closet wing within acoustic enclosure. (Linked to 26/05135/LBC)
Awaiting decision Full applications Roofing Windows or glazing -
Apartment 2 79 Eaton Place London SW1X 8DR
90% historically approved · decision due ~24 Sep
Full refurbishment including installation of new windows and external doors, internal wall insulation, new roof and openings to rear closet wing, internal alterations to include new stair and rearrangement of rooms and a new ASHP on roof of closet wing within acoustic enclosure. (Linked to 26/05134/FULL)
Awaiting decision Heritage and listed buildings Roofing Windows or glazing
Other full applications
In Westminster
-
26/05984/FULL Decided
41 Sutherland Street London SW1V 4JX
Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.
-
26/07229/FULL Awaiting decision
5 D'arblay Street London W1F 8DL
Alterations to the existing fixed windows to form two openable sash windows. (Linked with 26/07230/ADV)
-
26/07224/FULL Awaiting decision
8 Hinde Street London W1U 3BQ
Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole to front elevation.
-
26/06134/FULL Decided
Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG
Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.
-
26/07258/FULL Awaiting decision
16A Croxley Road London W9 3HL
Installation of air to air heat pumps to offices and bedrooms.