25 Hill Street London W1J 5LW Data via plota.co.uk

26/03485/FULL - Full Planning Permission Application Pending
Commercial & major worksDemolitionExtensions & alterationsListed buildingsCommercial premises

Proposal

Replacement linked two-storey annex with roof terrace, rebuilding of rear mansard roof and creation of roof terrace. Reconfiguration and landscaping of garden to rear of 27 Hill Street and erection of pavilion building with new access point from Chesterfield Hill; replacement plant equipment on roof all in association with the continued office (Class E) use. (Linked with 26/03486/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 May 2026
✓
Consultation
5 Jun 2026
Decision
Expected by 23 Jul 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 109. The consultation period closed on 26 Jun 2026.

Documents 45

Statements & assessments 15

PDF LEAD LOCAL FLOOD AUTHORITY COMMENT Consultee Comment · 11 Jun 2026 View ↗ PDF BIODIVERSITY NET GAIN ASESSMENT Background Papers · 28 May 2026 View ↗ PDF PRELIMINARY ECOLOGICAL APPRAISAL AND PRELIMINARY ROOST ASSESSMENT 2.0 (002) Background Papers · 28 May 2026 View ↗ PDF MKA ECOLOGY LTD - BIODIVERSITY NET GAIN ASESSMENT Background Papers · 28 May 2026 View ↗ PDF DAS PLANNING PART 1 Design and Access Statement · 28 May 2026 View ↗ PDF DAS PLANNING PART 2 Design and Access Statement · 28 May 2026 View ↗ PDF DAYLIGHT AND SUNLIGHT REPORT 09.04.26 Daylight and Sunlight assessment · 28 May 2026 View ↗ PDF HERITAGE STATEMENT V3 Heritage Statement · 28 May 2026 View ↗ PDF BELOW GROUND DRAINAGE LAYOUT Drawing · 28 May 2026 View ↗ PDF FLOOD RISK ASSESSMENT AND DRAINAGE STRATEGY REPORT Flood risk assessment · 28 May 2026 View ↗ PDF WHOLE LIFE CARBON ASSESSMENT Background Papers · 28 May 2026 View ↗ PDF ENERGY & SUSTAINABILITY STATEMENT Energy Assessment · 28 May 2026 View ↗ PDF EXTERNAL LIGHTING IMPACT ASSESSMENT REV A Background Papers · 28 May 2026 View ↗ PDF ENVIRONMENTAL NOISE SURVEY AND PLANT NOISE ASSESSMENT REPORT Noise impact assessment · 28 May 2026 View ↗ PDF PRELIMINARY TREE SURVEY SCHEDULE Background Papers · 28 May 2026 View ↗

Plans & drawings 11

PDF INTERNAL ELEVATIONS BINDER DRAWINGS Drawing · 28 May 2026 View ↗ PDF RCP BINDER DAWINGS SET Drawing · 28 May 2026 View ↗ PDF SITE LOCATION PLAN Location Plan · 28 May 2026 View ↗ PDF EXISTING SITE PLAN Background Papers · 28 May 2026 View ↗ PDF PROPOSED SITE PLAN Background Papers · 28 May 2026 View ↗ PDF PROPOSED ANNEX DRAWING PLANS Drawing · 28 May 2026 View ↗ PDF DEMOLITION DRAWING PLANS Drawing · 28 May 2026 View ↗ PDF EXISTING DRAWINGS PLANS Drawing · 28 May 2026 View ↗ PDF PROPOSED BINDER DRAWINGS Drawing · 28 May 2026 View ↗ PDF DRAWING ISSUE SHEET Background Papers · 28 May 2026 View ↗ PDF TREE CONSTRAINTS PLAN Drawing · 28 May 2026 View ↗

Application forms 1

PDF APPLICATION FORM REDACTED Application Form · 28 May 2026 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 5 Jun 2026 View ↗

Other documents 17

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 5 Jun 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 5 Jun 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 5 Jun 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 5 Jun 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 5 Jun 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 5 Jun 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 5 Jun 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 5 Jun 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 5 Jun 2026 View ↗ PDF RECEIPT OF APPLICATION ACKREC · 29 May 2026 View ↗ PDF ATTACHMENT SUMMARY Background Papers · 28 May 2026 View ↗ PDF HILL STREET GLA SPREADSHEET Background Papers · 28 May 2026 View ↗ PDF PROPOSED ANNEX 4TH GALLERY GREEN BRUKL Background Papers · 28 May 2026 View ↗ PDF PROPOSED ANNEX 4TH GALLERY LEAN BRUKL Background Papers · 28 May 2026 View ↗ PDF PROPOSED TOWNHOUSE GREEN BRUKL Background Papers · 28 May 2026 View ↗ PDF PROPOSED TOWNHOUSE LEAN BRUKL Background Papers · 28 May 2026 View ↗ PDF PLANNING COVERING LETTER Background Papers · 28 May 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 8

Grade II listed: 25, Hill Street W1
List entry 1066623 · 0 m from the pin · 61 more listed buildings within 150 m (1 Grade I, 8 Grade II*, 52 Grade II)
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 the other 61 with distances
Historic England ↗
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 ↗
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 190 m away: Berkeley Square; Inside the City of Westminster built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1J 5LW
Received
28 May 2026
Validated
28 May 2026
Ward
West End
Case officer
Show
Target decision
23 Jul 2026
Agent
Newmark

Decision outlook

Day 109, past the statutory target. 89% of commercial and major works in Westminster are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Sept 2026.

Day 10953 days past the 56-day target
54%decided within 8 weeks
92%approved
141decided in the last year

Plota live figures for commercial and major works decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

1comment received
1 supporting

73 neighbours consulted · Last counted 12 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14606139
Comments by
26 Jun 2026
Site or press notice
5 Jun 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2019 Approved
Renewal of display for a temporary period of six months of a non-illuminated estate agent…
19/02471/AD7
2018 Approved
Renewal of display for a temporary period of six months of a non-illuminated estate agent…
18/08360/AD7
2018 Approved
Renewal of display for a temporary period of six months of a non-illuminated estate agent…
18/02625/AD7
2017 Approved
Display for a temporary period of six months of a non-illuminated estate agent board atta…
17/09015/AD7
2017 Approved
Minor internal alterations including replacement of carpet with floating walnut timber fl…
17/08390/CLLB
2017 Approved
Display for a temporary period of six months of a non-illuminated estate agent board atta…
17/03281/AD7
Within ~100m

Nearby activity

2025
20 Hill Street London W1J 5NJ
Internal lowering of non-original lower ground floor slab.
25/08311/LBC
2025 Approved
22 Hill Street London W1J 5NJ
Display of non-illuminated vinyl hoarding fronting Hill Street measuring 10,540mm x 2,440…
25/06222/ADV
2025
16 Charles Street London W1J 5DR
Infill of floor void at third floor with associated lighting and decorative interventions
25/07428/LBC
2025 Approved
Coach And Horses 5 Hill Street London W1J 5LD
External repainting, replacement of advertisements and external lighting and installation…
25/05373/FULL
2025 Approved
Coach And Horses 5 Hill Street London W1J 5LD
External repainting, replacement of advertisements, external lighting and installation of…
25/05097/LBC
2025
38 Hill Street London W1J 5JZ
Partial demolition of the extension at ground floor level at the rear of the Waverton Str…
25/06537/LBC
2025
38 Hill Street London W1J 5JZ
Partial demolition of the extension at ground floor level at the rear of the Waverton Str…
25/06553/FULL
2025
Coach And Horses 5 Hill Street London W1J 5LD
Internal alterations including new flooring, alterations to the bar, updated furnishings…
25/06473/LBC
2025
16 Charles Street London W1J 5DR
Alterations to front and rear elevations, including alterations to door and windows to fr…
25/06441/LBC
2025 Approved
Coach And Horses 5 Hill Street London W1J 5LD
Display of externally illuminated x1 projecting sign measuring 2.225m x 0.01m x 1.44m; x5…
25/05374/ADV
2025
43A Hay's Mews London W1J 5QA
Use of part ground floor (ancillary garage) for sui generis purposes (ancillary refuse/re…
25/02532/FULL
2025
22 Hill Street London W1J 5NJ
Various minor internal and external alterations comprising of rearrangements of internal…
25/02437/LBC
2024
17 Hay's Mews London W1J 5PY
Demolition behind retained retained front, rear and side facades, excavation of basement…
24/08698/FULL
2024
4 Chesterfield Hill London W1J 5BL
Variation of condition 1 of planning permission dated 7th August 2024 (RN 24/03734/FULL)…
24/06208/FULL
2024
41 - 43 Hay's Mews London W1J 5QA
Installation of lead flashing to coping stones at roof level.
24/05512/LBC
2024
14 Hay's Mews London W1J 5PX
Internal alterations at basement level comprising the installation of a partition wall.
24/05453/LBC
2024 Approved
4 Chesterfield Hill London W1J 5BL
Variation of condition 1 of planning permission dated 02 November 2023 (RN:23/05433) for…
24/03734/FULL
2024
14 Farm Street London W1J 5RF
Erection of single storey open sided garden room to split the garden level between lower…
24/04687/FULL
2024
20 Hill Street London W1J 5NJ
Comprehensive repairs and refurbishment of the building's exterior; rebuilding of second…
24/03844/LBC
2024
20 Hill Street London W1J 5NJ
Comprehensive repairs and refurbishment of the building's exterior; rebuilding of second…
24/03843/FULL
2020 Approved
Apartment 1 12 Charles Street London W1J 5DR
Replacement of the existing timber windows with timber double-glazed windows, at front an…
20/03820/FULL
2019 Refused
17 Charles Street London W1J 5DT
Internal alterations including new door openings to ground floor and first floor front re…
19/05653/LBC
2020 Approved
14 Hay's Mews London W1J 5PX
Creation of a roof terrace and extension of stair to access roof, installation of air con…
20/01703/FULL
2020 Approved
14 Hay's Mews London W1J 5PX
Creation of a roof terrace and extension of stair to access roof, installation of air con…
20/01704/LBC
2019 Refused
11 Hill Street London W1J 5LF
Internal alterations including addition of partition and associated works at ground floor…
19/07689/LBC
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