Planning application
31 St Petersburgh Place London W2 4LA
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Relates to 25/08325/FULL
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Amendments to planning permission dated 27th July 2026 (RN:25/08325/FULL) for Full, phased planning application for a single storey roof extension to provide additional office accommodation, together with infill of the rear courtyard to provide additional office accommodation, associated external landscaped terraces, new plant equipment, new external cycle parking, a new building entrance, replacement of windows, and other minor associated external works. Namely, amendments arising from detailed design development comprising: redistribution of end-of-trip facilities; retention and redecoration of the existing St Petersburgh Place entrance, including closure of two recessed lobby windows and like-for-like door replacement; introduction, relocation and conversion of ventilation louvres within existing openings; closure of two courtyard-facing façade doors; internal layout revisions at basement and ground-floor level; and resequencing of works between Phase 1 and Phase 2.
As published by the council, reference 26/06416/NMA
Application record
- Reference
- 26/06416/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 18 Sep 2026
- Validated
- 18 Sep 2026
- Postcode
- W2 4LA
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
25/08325/FULL Granted
31 St Petersburgh Place London W2 4LA
Full, phased planning application for a single storey roof extension to provide additional office accommodation, together with infill of the rear courtyard to provide additional office accommodation, associated external landscaped terraces, new plant equipment, new external cycle parking, a new building entrance, replacement of windows, and other minor associated external works.
Timeline
Dates from the published record
-
18 Sep 2026
Received by Westminster
-
29 Sep 2026
Added to PlanIndex
-
9 Oct 2026
Status changed to Decided
Previously Pending.
Related applications
Cases linked to this one on the register
-
25/08325/FULL Granted
31 St Petersburgh Place London W2 4LA
Full, phased planning application for a single storey roof extension to provide additional office accommodation, together with infill of the rear courtyard to provide additional office accommodation, associated external landscaped terraces, new plant equipment, new external cycle parking, a new building entrance, replacement of windows, and other minor associated external works.
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
-
23 Chapel Side London W2 4LG
Variation of condition 1 of planning permission dated 17 December 2020 (RN: 20/07029/FULL) for the: Demolition and replacement of the existing mews building with a new 2 storey mews property with roof and conservatory to rear. NAMELY, to allow changes to the details of the approved garage door and first floor windows to the front and rear elevations (Retrospective).
Granted Full applications Extension Demolition +1 8 docs -
-
29 Chapel Side London W2 4LL
Demolition of existing roof and side dormer and installation of a mansard roof with side dormer.
Granted Full applications Loft or dormer Demolition 18 docs -
The Old Dairy Flats Chapel Side London W2 4LG
89% historically approved · decision due ~12 Oct
Details of independent review BREEAM measures within the development. In the case of an assessment using Building Research Establishment methods; pursuant to condition 14 and 17 of planning permission dated 22nd April 2024 (23/05909/FULL)
Awaiting decision -
The Old Dairy Flats Chapel Side London W2 4LG
Amendments to planning permission dated 22.04.2024 which itself varied condition 1 of the planning permission dated 10 May 2023 (RN: 23/00234/FULL) and also varied condition 1 of the planning permission dated 4th October 2022 (RN 22/00448/FULL) for the demolition of the existing hipped roof and construction of a roof extension, a rear extension involving the infill of an existing undercroft area at ground floor, the replacement of an existing link building (between the building fronting Chapel Side and Esca House to the rear) and an additional second floor storey, and the excavation of a basement under the main building, in association with the change of use of the ground and first to residential flats (Class C3). Replacement windows to the front and rear elevations, and the creation of a terrace and green roof on the rear extension roof at third floor level and a terrace at rear fourth floor level, namely to increase size of basement level and creation of associated lightwell; Alterations to fenestration; relocation and alteration of rear dormers; internal changes to layout of residential accommodation; and associated external alterations. NAMELY, to allow alterations to rear/courtyard elevation.
Granted Amendments New dwelling Extension +3 5 docs -
The Old Dairy Flats Chapel Side London W2 4LG
88% historically approved · decision due ~11 Feb
Details of planting including species and maintenance of the green roof and ground floor courtyard and details of a further noise report pursuant condition 12 and 19 of planning permission dated 22 April 2024 (RN: 23/05909/FULL)
Awaiting decision Full applications 8 docs
Other amendment applications
In Westminster
-
26/07181/NMA Awaiting decision
Newlands House 37 - 40 Berners Street London W1T 3NA
Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.
-
26/07132/NMA Awaiting decision
157 - 159 Victoria Street London SW1E 5NA
Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.
-
26/07086/NMA Awaiting decision
Windsor House 50 Victoria Street London SW1H 0TL
Amendments to planning permission dated 18th September 2026 (RN 26/01445/FULL) for the Refurbishment of Windsor House and Christchurch House (excluding residential part), including re-cladding and amendment of facades, replacement of windows, new end-of-trip facilities, installation of roof-level plant and screening, and associated works, to provide office, retail, restaurant and indoor recreation accommodation (Class E) with amenity spaces, including a new roof level pavilion to Christchurch House and link bridge between Windsor House and Christchurch House. NAMELY, amendments to the wording of Conditions 1, 11, 12, 13,14, 15 and 26.
-
26/07071/NMA Awaiting decision
London School Of Economics & Political Science Houghton Street London WC2A 2AE
Amendments to planning permission dated 21st Februrary 2018 (RN:17/05855/FULL) for Variation of Condition 1 of planning permission dated 19 October 2016 (RN:16/05155/FULL) for demolition of existing buildings known as Clare Market, The Anchorage, the East Building, St Clements (partial) and Tower One (partial) and redevelopment to provide replacement interconnected academic facilities for Class D1 and ancillary uses, comprising a two storey basement, a part six storey / part 13 storey building and a seven storey core extension to the St Clements building and associated cycle parking and other works; all arranged around a new public square namely, removal of two cycle stands.
-
26/06211/NMA Decided
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21 July 2022 (RN:22/03521/FULL) which varied Condition 5 of planning permission dated 11 April 2018 (17/10815/FULL) for: Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP namely to amend the wording of Condition 3 to omit the words " No one else may benefit from this permission" to allow the use by third party practitioners.