Planning application
5 Trevor Street London SW7 1DU
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Remodelling of the rear elevation at lower ground floor, reduction of floor level at lower ground floor, lowering of garden space and reconfiguration of non-original partitioning to upper floors.
As published by the council, reference 25/08446/LBC
Application record
- Reference
- 25/08446/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Nov 2025
- Validated
- 19 Nov 2025
- Decided
- 8 May 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW7 1DU
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/08445/FULL Granted
5 Trevor Street London SW7 1DU
Remodelling of the rear elevation at lower ground floor, reduction of floor level at lower ground floor, lowering of garden space and reconfiguration of non-original partitioning to upper floors.
Timeline
Dates from the published record
-
19 Nov 2025
Received by Westminster
-
8 May 2026
Decision issued: Application Permitted
-
20 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
MMKM Architecture and Interiors Ltd Agent, an architecture practice registered in Chislehurst
Active · incorporated 2017 · Chislehurst
19 applications on PlanIndex · across 7 councils · 80% 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
12 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 8 May 2026, 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
5 Trevor Street London SW7 1DU
Remodelling of the rear elevation at lower ground floor, reduction of floor level at lower ground floor, lowering of garden space and reconfiguration of non-original partitioning to upper floors.
Granted Full applications 18 docs -
8 Trevor Street London SW7 1DU
100% historically approved · decision due ~26 Nov
2 x Sycamore (G2, rear): crown reduce to previous, most recent reduction points, removing approx. 2m of new growth.
Decided Trees -
11 Trevor Street London SW7 1DX
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level and two windows at first floor level in closet wing.
Granted Full applications Demolition Windows or glazing 19 docs -
11 Trevor Street London SW7 1DX
External alterations at rear including demolition of existing brick structure, enlargement of rear terrace platform at raised ground floor level, infilling of an external door at ground floor level in closet wing and two windows at first floor level in closet wing.
Granted Heritage and listed buildings Demolition Windows or glazing 16 docs -
239 Knightsbridge London SW7 1DJ
Remedial works to the roof, including replacement of an existing polycarbonate dome rooflight (retrospective).
Granted Heritage and listed buildings Loft or dormer 17 docs -
235 Knightsbridge London SW7 1DJ
T1 Lime (Tilia spp.): Reduce the overall height by approximately 1.5 metres and the lateral spread by 1 metre, making all cuts to suitable secondary growth points in accordance with BS 39982010 - Recommendations for Tree Work. Carry out a crown lift to 3.5 metres above ground level to provide clearance, maintaining a balanced crown from throughout. All works to promote the long-term health and structure of the tree. Reason for works: Regular tree maintenance and light starvation to property
Withdrawn Trees 4 docs
Other heritage and listed building applications
In Westminster
-
26/07202/LBC Awaiting decision
Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY
Replacement of 13 doorsets with fire doors.
-
26/07183/LBC Awaiting decision
306 - 308 Regent Street London W1B 3AT
Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.
-
26/07191/LBC Awaiting decision
6 Wilton Place London SW1X 8RH
Layout alterations and replacement of internal doors.
-
26/07199/LBC Awaiting decision
49 Queen's Gardens London W2 3AA
Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)
-
26/07192/LBC Awaiting decision
119 Warwick Way London SW1V 4HS
Conversion and internal alterations to the ground floor flat (Retrospective)