Planning application
9 Passmore Street London SW1W 8HR
Works: Extension Loft or dormer Demolition Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01197/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07966/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to allow vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
As published by the council, reference 26/03350/FULL
Application record
- Reference
- 26/03350/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 21 May 2026
- Validated
- 21 May 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1W 8HR
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2025: 0 approved, 1 refused.
-
26/03078/ADFULL Awaiting decision
9 Passmore Street London SW1W 8HR
Details of windows, dormer window details, rooflights and PV panels and detailed drawings and a bio-diversity management plan in relation to the green and blue roofs to include construction method, layout, species and maintenance regime pursuant to conditions 6 and 16 of planning permission dated 7th February 2024 (RN: 24/01197/FULL).
-
25/06723/ADFULL Refused
9 Passmore Street London SW1W 8HR
Details of windows, dormer window. rooflights and PV panels its upstand pursuant to Condition 6 of planning permission dated 24 June 2024 (RN24/01197/FULL)
Timeline
Dates from the published record
-
21 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 90 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Studio80six Ltd Agent, registered in Rayleigh
Active · incorporated 2016 · Rayleigh
32 applications on PlanIndex · across 4 councils · 43% granted
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
4 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 happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.
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
-
7 Passmore Street London SW1W 8HR
88% historically approved · decision due ~16 Jul
Variation of conation 1 of planning permission dated 24 June 2024 (RN: 24/01196/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07964/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
Awaiting decision Full applications Extension Loft or dormer +2 4 docs -
11 Passmore Street London SW1W 8HR
88% historically approved · decision due ~16 Jul
Variation of condition 1 of planning permission dated 24th June 2024 (RN:24/01198/FULL) for the Variation of conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07969/FULL) for the: Alterations to front fenestration, the provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
Awaiting decision Full applications Extension Loft or dormer +1 6 docs -
5 Passmore Street London SW1W 8HR
88% historically approved · decision due ~16 Jul
Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01194/FULL) which itself varied conditions 1 and 12 of planning permission dated 07 February 2024 (RN: 22/07960/FULL) for the: Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
Awaiting decision Full applications Extension Loft or dormer +2 4 docs -
13 Passmore Street London SW1W 8HR
88% historically approved · decision due ~16 Jul
Variation of condition 1 of planning permission dated 24th June 2024 (RN:24/01199/FULL) for the Variation of conditions 1 and 12 of planning permission dated 7th February 2024 (RN:22/07971/FULL) for the Partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell. Namely, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
Awaiting decision Full applications Extension Loft or dormer +2 6 docs -
15 Passmore Street London SW1W 8HR
88% historically approved · decision due ~16 Jul
Variation of condition 1 of planning permission dated 24 June 2024 (RN: 24/01201/FULL) which itself varied conditions 1 and 12 of planning permission dated 7th February 2024 (RN 22/07972/FULL) for the partial demolition and rebuilding behind retained front facade with alterations to front fenestration, provision of a new basement, mansard roof, extensions at rear ground and first floor level and installation of air source heat pump in rear basement lightwell NAMELY, to vary the materials associated with the flat roof of the mansard level, ground floor lightwell guarding and fenestration to the rear and introduction of a rear lower ground floor stair to the lightwell.
Awaiting decision Full applications Extension Loft or dormer +2 1 doc -
19 Passmore Street London SW1W 8HR
88% historically approved · decision due ~6 Jul
Detailed drawings and a bio-diversity management plan in relation to the green and blue roofs to include construction method, layout, species and maintenance regime pursuant to discharge of condition 16 of planning permission dated 24th June 2024 (RN: : 24/01203/FULL).
Awaiting decision Full applications 10 docs
Other full applications
In Westminster
-
26/07451/FULL Awaiting decision
Flat 1 31 South Audley Street London W1K 2PG
Replacement of windows, Installation of an external condenser to the rear elevation including Internal refurbishment. (linked with 26/07452/LBC)
-
26/07443/FULL Awaiting decision
150 Great Portland Street London W1W 6QD
Installation of three air conditioning condenser units to the lower ground floor rear courtyard, incluidng erection of a plunge pool. (retrospective)
-
26/06234/FULL Decided
40 Grosvenor Place London SW1X 7HJ
Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))
-
26/07432/FULL Awaiting decision
9 Henrietta Street London WC2E 8PW
Refurbishments to the ground floor entrance, alterations to the rear third floor terrace including installation of external handrail and removal of existing condensers and installation of new plant equipment at first floor level and other associated works. (Linked with 26/07433/LBC)
-
26/07403/FULL Awaiting decision
Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB
Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07404/LBC)