47 Park Street London W1K 7EB Data via plota.co.uk

26/06822/FULL - Full Planning Permission Application Pending
Extensions & alterationsCommercial premises

Proposal

Replacement of three windows in Suite 68a with two single casement windows and one triple casement windows at sixth floor level on the Upper Brook Street Elevation. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Oct 2026
✓
Validated
15 Oct 2026
Decision
Expected by 10 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 5 Dec 2026 and 14 Dec 2026, from Westminster's recent extensions.

Documents 20

Statements & assessments 4

PDF FIRE STATEMENT Other · 6 Oct 2026 View ↗ PDF PLANNING, HERITAGE, DESIGN AND ACCESS STATEMENT Design and Access Statement · 6 Oct 2026 View ↗ PDF HERITAGE STATEMENT_INCLUDED_IN_DESIGN AND ACCESS STATEMENT Superseded document · 6 Oct 2026 View ↗ PDF PLANNING STATEMENT_INCLUDED_IN_DESIGN AND ACCESS STATEMENT Superseded document · 6 Oct 2026 View ↗

Plans & drawings 10

PDF LOCATION PLAN Location Plan · 6 Oct 2026 View ↗ PDF SITE PLAN Drawing · 6 Oct 2026 View ↗ PDF PROPOSED ELEVATIONS Drawing · 6 Oct 2026 View ↗ PDF ELEVATION (SIDE) - PROPOSED_INCLUDED_IN_ELEVATION (SIDE) - EXISTING Superseded document · 6 Oct 2026 View ↗ PDF ELEVATION (FRONT) - EXISTING_INCLUDED_IN_ELEVATION (SIDE) - EXISTING Superseded document · 6 Oct 2026 View ↗ PDF ELEVATION (FRONT) - PROPOSED_INCLUDED_IN_ELEVATION (SIDE) - EXISTING Superseded document · 6 Oct 2026 View ↗ PDF EXISTING AND PROPOSED 6TH FLOOR Drawing · 6 Oct 2026 View ↗ PDF FLOOR PLAN - EXISTING_INCLUDED_IN_FLOOR PLAN Superseded document · 6 Oct 2026 View ↗ PDF SUITE 68 - W1 Drawing · 6 Oct 2026 View ↗ PDF SUITE 68 - W2 Drawing · 6 Oct 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 6 Oct 2026 View ↗ PDF FEECALCULATION Background Papers · 6 Oct 2026 View ↗

Other documents 4

PDF RECEIPT OF APPLICATION Other · 12 Oct 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 6 Oct 2026 View ↗ PDF SITELOCATION Background Papers · 6 Oct 2026 View ↗ PDF DATASHEET - TECHNICAL DETAILS FOR ACCOYA Other · 6 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 11

Mayfair conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Archaeological priority area: City of Westminster APA 2.5
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Westminster AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
58 listed buildings within 150 m
Nearest: 76, Park Street W1, Grade II, 20 m away · 1 Grade I, 4 Grade II*, 53 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 58 with distances
Historic England ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
Also on the record
Registered park or garden 165 m away: Grosvenor Square; National infrastructure project 1769 m away: Thames Tideway Tunnel; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 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.

Building

Floor area509 m² (5,479 sq ft)
Energy ratingB (asset rating 37)
UseRestaurants and Cafes/Drinking Establishments/Takeaways
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in June 2024, 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
Full Planning Permission Application
Postcode
W1K 7EB
Received
6 Oct 2026
Validated
15 Oct 2026
Ward
West End
Case officer
Show
Target decision
10 Dec 2026
Applicant
Show
Agent
Pelham Planning Associates Ltd

Decision outlook

Day 22 of the 56-day target. Westminster usually decides extensions by day 55.

Day 2234 days to the 56-day target
56%decided within 8 weeks
88%approved
1,937decided in the last year

Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

Last counted 2 Nov 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15276841
Planning Portal ref
PP-15276841
Env. assessment
No

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2021 Refused
Installation of telecommunications equipment at roof level including six antenna, one 600…
21/01961/FULL
2018 Approved
Installation of 14 air conditioning units and associated enclosures at roof level.
18/08126/FULL
Within ~100m

Nearby activity

2025
35 Upper Brook Street London W1K 7QH
Installation of trellises to the rear terrace of the building. (Linked to 25/07350/FULL)
25/07351/LBC
2025
35 Upper Brook Street London W1K 7QH
Installation of trellises to the rear terrace of the building. (Linked to 25/07351/LBC)
25/07350/FULL
2025 Approved
43 Upper Brook Street London W1K 7QR
Display of internally illuminated fascia sign measuring 0.8m X 0.325m
25/04999/ADV
2025
1 Culross Street London W1K 2DL
Excavation of a basement beneath 1A Culross Street, two vents at roof level and a single…
25/04814/FULL
2025
80 Park Street London W1K 6NQ
Alterations to the main entrance to include replacement of the external entrance door; re…
25/03677/FULL
2025
20 Upper Brook Street London W1K 7PX
The construction of a single-storey storey roof extension, refurbishment of the existing…
25/03584/FULL
2025
20 Upper Brook Street London W1K 7PX
The construction of a single-storey storey roof extension, refurbishment of the existing…
25/03585/LBC
2025
18 Upper Brook Street London W1K 7PU
Internal refurbishment of office space including installation of plant within enlarged en…
25/03222/LBC
2025
18 Upper Brook Street London W1K 7PU
Internal refurbishment of office space including installation of plant within enlarged en…
25/03221/FULL
2024
9 Upper Grosvenor Street London W1K 2LZ
Installation of replacement sash windows at fourth floor level. (Linked with 24/06290/LBC)
24/06289/FULL
2024
9 Upper Grosvenor Street London W1K 2LZ
Installation of replacement sash windows at fourth floor level. (Linked with 24/06289/FUL…
24/06290/LBC
2024
36 Upper Brook Street London W1K 7QJ
Display for a temporary period of six months of a non-illuminated estate agent board atta…
24/05173/AD7
2024
Flat 9 16 Upper Brook Street London W1K 7PT
Creation of additional conservatory for flat 9, alterations to the existing conservatory…
24/04883/FULL
2024
31 Culross Street London W1K 7HF
Installation of three external air conditioning units on second and third floor rear terr…
24/03998/FULL
2024
14 Culross Street London W1K 2DZ
Demolition of the glazed conservatory at the rear of the top storey and creation of new r…
24/03063/FULL
2023 Approved
8 Upper Grosvenor Street London W1K 2ND
Replacement windows, replacement of terrace hand rails and the installation of a HVAC sys…
23/08166/FULL
2023 Approved
Blackburne's Mews London
1 x rowan (T279): Fell and remove stump
23/07362/TCA
2023
20 Upper Brook Street London W1K 7PX
The construction of a pergola in the rear garden. (Retrospective, Linked with 23/08350/FU…
23/08351/LBC
2023
20 Upper Brook Street London W1K 7PX
The construction of a pergola in the rear garden (Retrospective, Linked with 23/08351/LBC)
23/08350/FULL
2023 Approved
Blackburne House 1A Culross Street London W1K 2DL
Excavation of a basement beneath 1A Culross Street and two vents at roof level (Blackburn…
23/05900/FULL
2019 Approved
39 Upper Brook Street London W1K 7QQ
Amalgamation of 39 and 40 Upper Brook Street to create a single residential unit (Class C…
19/04264/FULL
2019 Approved
70 Park Street London W1K 2JT
Display for a temporary period of six months of a non-illuminated estate agent board atta…
19/04689/AD7
2019 Approved
39 Upper Brook Street London W1K 7QQ
Internal alterations at 24 Culross Street to facilitate the amalgamation of 39 and 40 Upp…
19/01358/LBC
2019 Approved
39 Upper Brook Street London W1K 7QQ
Amalgamation of 39 and 40 Upper Brook Street to create a single residential unit (Class C…
19/01357/FULL
2019 Approved
24 Upper Brook Street London W1K 7QB
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
19/01885/AD7
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

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.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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.