Planning application
29 Ennismore Mews London SW7 1AP
Works: Extension Loft or dormer Windows or glazing
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Amendments to planning permission dated 18 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 residential units (Site includes Nos 29 & 29A Ennismore Mews); NAMELY to apply render to match No. 29A, enlarge the northern first-floor and central ground-floor windows and rooflight, reposition dormers and windows, install CCTV cameras and parcel box and relocate and enlarge the entrances at Nos. 29 and 29A.
As published by the council, reference 26/04229/NMA
Application record
- Reference
- 26/04229/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 26 Jun 2026
- Validated
- 26 Jun 2026
- Postcode
- SW7 1AP
Site history
Applications at this address on the Westminster register
This site has had 6 applications since 2025: 1 approved, 0 refused.
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26/05410/FULL Awaiting decision
29 Ennismore Mews London SW7 1AP
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.
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26/02233/NMA Awaiting decision
29 Ennismore Mews London SW7 1AP
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.
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26/02196/ADFULL Awaiting decision
29 Ennismore Mews London SW7 1AP
Details of Code of Construction Practice pursuant to condition 3 of planning permission dated 20th March 2025 (RN:24/08165/FULL)
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26/02197/ADFULL Awaiting decision
29 Ennismore Mews London SW7 1AP
Details of updated Flood Risk Assessment including site-specific groundwater monitoring information and necessary flood risk mitigation measures pursuant to condition 5 of planning permission dated 18 March 2025 (RN: 24/08165/FULL)
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25/05310/ADFULL Granted
29 Ennismore Mews London SW7 1AP
Details of contaminated land remediation (Phases 1, 2 and 3) pursuant to Condition 4 of planning permission dated 20 March 2025 (RN: 24/08165/FULL).
Timeline
Dates from the published record
-
26 Jun 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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9 Aug 2026
Status changed to Decided
Previously Pending.
After the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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
Within 0.3 miles
-
29 Ennismore Mews London SW7 1AP
93% 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 -
29 Ennismore Mews London SW7 1AP
87% historically approved · decision due ~10 Jun
Details of updated Flood Risk Assessment including site-specific groundwater monitoring information and necessary flood risk mitigation measures pursuant to condition 5 of planning permission dated 18 March 2025 (RN: 24/08165/FULL)
Awaiting decision Full applications 12 docs -
51 Ennismore Gardens London SW7 1AH
Application of waterproof membrane and replacement flashing to parapet gutter at front of mansard, replacement of the outlets from the parapet gutter to the rainwater hoppers, masonry cleaning, crack repairs to brickwork and to lightwell paving and installation of scaffold fixings.
Granted Heritage and listed buildings Loft or dormer 16 docs -
49 Ennismore Gardens London SW7 1AH
Variation of condition 1 of planning permission dated 01 September 2020 (RN: 20/03649/FULL) for 'Amalgamation of Flats 1 and 2 on lower ground, raised ground floor and first floor level. Rebuilding of rear extension including provision of French doors onto existing rear ground floor terrace. Reconfiguration of existing lightwell areas and glazed roof over raised ground floor light well enclosure. Lowering of existing lower ground floor level'. Namely, to allow amendments including raising of patio boundary walls by 50 and 48 Ennismore Gardens and revision of the conservation rooflight position.
Withdrawn Full applications New dwelling Extension +2 28 docs
Other amendment applications
In Westminster
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)