16 Beaumont Mews London W1G 6EJ Data via plota.co.uk
Proposal
Amendments to planning permission dated 19 February 2025 (RN:) for excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3). namely, to allow the addition of a condition to the addtiona of a condition allwoing the development to be carried in two phase. for the approved development to be implemented in two phases, with the basement construction deferred to a later stage. Data via plota.co.uk
Application progress
Withdrawn on 22 May 2026 · Last checked 13 Oct 2026
Documents 7
Plans & drawings 1
Application forms 1
Consultation & comments 1
Associated applications 8
- AmendmentAmendments to planning permission dated 19 February 2025 (RN)WithdrawnThis application25/07157/NMA
Show 6 more · 4 approved, 2 pending
- VariationVariation of Condition 1 (approved plans) and Condition 2 (Code of Construction Practice)26/03548/FULL
Conditions 6, 11 awaiting decision
- VariationVariation of Conditions 1 of planning permission dated 19th February 2025 (RN)25/07149/FULL
Conditions 7, 8, 9, 13 discharged
Site constraints 10
Checked on 11 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 5
Last sold for £1,195,000 in December 2020. Terraced house, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in August 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- W1G 6EJ
- Received
- 3 Oct 2025
- Validated
- 3 Oct 2025
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 31 Oct 2025
- Decision
- Application Withdrawn
- Decision date
- 22 May 2026
- Applicant
- Show
- Agent
- PSA Studio Ltd
Public comments
No public comments yet.
Last counted 13 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14265360
- Planning Portal ref
- PP-14265360
- Env. assessment
- No
Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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16 Beaumont Mews London W1G 6EJ
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Referenced application
Council archive
16 Beaumont Mews London W1G 6EJ
Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace (Class C3).
- Received
- 8 May 2024
- Outcome
- Pending