Planning application
18 Ennismore Mews London SW7 1AN
Works: Extension Loft or dormer Demolition Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission 31st August 2021 (RN: 21/00759/FULL) Demolition and redevelopment of an existing single-family dwelling behind a retained and altered facade including a new second floor mansard roof extension. Namely, removal of proposed chimney stack, new rainwater pipe added to front elevation and new access hatch added to rear elevation to carry out essential roof maintenance and cleaning when required.
As published by the council, reference 22/05347/NMA
Application record
- Reference
- 22/05347/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Application Permitted
- Received
- 5 Aug 2022
- Validated
- 5 Aug 2022
- Decided
- 15 Aug 2022
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW7 1AN
Timeline
Dates from the published record
-
5 Aug 2022
Received by Westminster
-
15 Aug 2022
Decision issued: Application Permitted
-
20 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice
5 applications on PlanIndex
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
14 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 15 August 2022, 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
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Flat 8 58 Rutland Gate London SW7 1PL
Replacement of the third floor central front window at 57 with single glazed sash window. (Linked with RN: 25/05312/LBC)
Granted Full applications Windows or glazing 19 docs -
Flat 19 58 Rutland Gate London SW7 1PL
Internal alterations at first floor level comprising the insertion of a new W.C off the main entrance hall.
Granted Heritage and listed buildings 16 docs -
Flat 8 58 Rutland Gate London SW7 1PL
Replacement of the third floor central front window at 57 with single glazed sash window and internal alterations, including removal and installation of partitions and replacement floor finishes. (Linked with RN: 25/05311/FULL)
Granted Heritage and listed buildings Windows or glazing 14 docs -
29 Ennismore Mews London SW7 1AP
92% historically approved · decision due ~10 Jun
Amendments to planning permission dated 19th March 2025 (RN 24/08165/FULL) for the Excavation of basement; erection of mansard roof extensions, including plant equipment in recesses; alterations to front and side elevations, including new and replacement windows and doors; all in connection with use as two residetail units. (Site includes Nos 29 & 29A Ennismore Mews.) NAMELY, render over the brickwork; Reinstate and enlarge the northernmost window on the first floor; Shift the dormer windows slightly from the approved position and adjust the other windows marginally to better balance the composition and to correspond with the internal layout; Enlarge the middle window on ground floor at 29A; and Shift entry door at 29 and enlarge entrance at 29A.
Awaiting decision Amendments Extension Loft or dormer +1 18 docs -
29 Ennismore Mews London SW7 1AP
87% historically approved · decision due ~10 Jun
Details of Code of Construction Practice pursuant to condition 3 of planning permission dated 20th March 2025 (RN:24/08165/FULL)
Awaiting decision Full applications 9 docs -
29 Ennismore Mews London SW7 1AP
87% historically approved · decision due ~14 Oct
External alterations to Nos. 29 and 29A Ennismore Mews, including erection of mansard extension to no.29 and alterations/ replacement of mansard to no.29A, alterations to front facade of 29 and 29A; installation of new window to side elevation at first floor level and alterations rooflights; installation and repositioning of CCTV cameras; relocation of air-conditioning condenser units to main roof level with associated acoustic screening and anti-vibration measures.
Awaiting decision Full applications Extension Loft or dormer +1
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26/05886/NMA Awaiting decision
10 Spring Gardens London SW1A 2BN
Amendments to planning permission dated 10th July 2025 (RN 25/00695/FULL) for the Use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor. NAMELY, Addition of external attached building signage on West Elevation and South Elevation; Addition of two flagpoles on West Elevation; Addition of a parcel pass through, rather than fixed panel, to door on North Elevation; and omission of smoke vent and replacement with new paving to match existing paving.
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26/05881/NMA Awaiting decision
50A Warlock Road London W9 3LW
Amendments to planning permission dated 11 August 2026 (RN: 26/04158/FULL) for the: Erection of a single-storey rear extension at lower ground floor level; replacement of existing rear window with a door at ground floor level and creation of terrace with associated railings/screening; and associated external alterations. NAMELY, revise the height of the rear elevation kitchen French doors.
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26/05798/NMA Awaiting decision
3 Blenheim Road London NW8 0LU
Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, internal alterations and minor adjustment to rooflight position.
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26/05670/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.
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26/05674/NMA Awaiting decision
52 Eaton Place London SW1X 8AL
Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors namely, to allow replacement of second floor rear full height sash window with set of french doors.