Flat 2 St Davids House 16 New Cavendish Street London W1G 8UP Data via plota.co.uk

26/04613/ADLBC - Approval of Details (ADLBC) Approved
Extensions & alterationsListed buildings

Proposal

Details of crittal styled doors / reflected ceiling plans showing lighting and new cornicing (a), sections showing suspended ceilings (b), elevations showing opening between front rooms (c) pursuant to condition 3 and 4 of listed building consent dated 16 June 2026 (RN: 26/03520/LBC) Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
10 Jul 2026
✓
Approved
28 Jul 2026

Approved on 28 Jul 2026 · Delegated Decision · Last checked 6 Aug 2026

Documents 11

Decision & officer reports 2

PDF APPR. OF DETAILS-LBC RESMAT [PE] Decision Notice · 28 Jul 2026 View ↗ PDF DELEGATED REPORT Report · 28 Jul 2026 View ↗

Plans & drawings 4

PDF EXISTING RCP AND LIGHTING PLAN Drawing · 10 Jul 2026 View ↗ PDF PROPOSED DETAILS - DOOR JOINERY Drawing · 10 Jul 2026 View ↗ PDF SITTING ROOM INTERNAL ELEVATIONS - CENTRAL PARTITION Drawing · 10 Jul 2026 View ↗ PDF PROPOSED RCP AND LIGHTING PLAN Drawing · 10 Jul 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 10 Jul 2026 View ↗

Other documents 4

PDF ACK-APPROVAL OF DETAILS APPL. Background Papers · 23 Jul 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 13 Jul 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 10 Jul 2026 View ↗ PDF COVER LETTER Background Papers · 10 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 8

Grade II listed: 14 and 16, New Cavendish Street W1
List entry 1224637 · 0 m from the pin · 21 more listed buildings within 150 m (1 Grade II*, 20 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 21 with distances
Historic England ↗
Harley Street 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 ↗
2 Article 4 directions
Article 4 Basement Development Permitted Rights Removed · Article 4 Direction Class E To C3 In Central Activities Zone. 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.
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 ↗
Town centre: Marylebone High Street
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
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 198 m away: Portman Square and Manchester 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.

Work with planning data?

Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

23 Mar 2026Approved

Flat 4 St Davids House 16 New Cavendish Street London W1G 8UP

Alterations to the uppermost storey of Flat 4, involving the removal of two exis...

26/01857/LBC
30 Apr 2026Approved

Flat 3 82 New Cavendish Street London W1G 9TA

Various internal alterations including removal and reconfiguration of partitions...

26/02861/LBC

Nearby new applications

1 Sept 2026Pending

Basement And Ground Floor 23 New Quebec Street London W1H 7SD

Use of basement and ground floor unit as flexible retail use (Class E (a)) or fo...

26/05972/FULL
28 Aug 2026Pending

DJ Shoe Repair Baker Street Station Marylebone Road London NW1 5LA

Installation of a non illuminated fascia sing measuring 0.52m x 4.29m for tempor...

26/05901/LBC
28 Aug 2026Pending

DJ Shoe Repair Baker Street Station Marylebone Road London NW1 5LA

Display of a non illuminated fascia sign measuring 0.52m x 4.29m for temporary p...

26/05902/ADV
1 Sept 2026Pending

Fourth Floor 2 Cavendish Square London W1G 0PU

Installation of internal secondary glazing to the 4th-floor windows, with intern...

26/05967/LBC
28 Aug 2026Pending

Flat 5 36 Nottingham Place London W1U 5NT

Replacing existing windows with new windows

26/05917/FULL
20 Aug 2026Pending

1 Seymour Street London W1H 7JW

Display of non illuminated other sign measuring 2.315m X 1.712m, 12.59m X 0.32m ...

26/05709/ADV

Important details

Council
Westminster
Application type
Approval of Details (ADLBC)
Postcode
W1G 8UP
Received
10 Jul 2026
Validated
10 Jul 2026
Ward
Marylebone
Case officer
Show
Target decision
4 Sept 2026
Decision
Application Permitted
Decision date
28 Jul 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 18 days from validation, 35 days faster than Westminster's median of 53 for extensions. Approved, as 87% of extensions here are.

62%decided within 8 weeks
87%approved
930decided 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 6 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15074015
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Refused
Basement And Ground Floor 10 Marylebone High Street London W1U 4BT
Display of non-illuminated fascia sign measuring 0.60m x 0.15m and internally illuminated…
25/06190/ADV
2025
8 Marylebone High Street London W1U 4NN
Display of non illuminated hoarding sign measuring 4.14m x 7.02m for a temproary period f…
25/08120/ADV
2025
1 Marylebone Street London W1G 8JA
Installation of an air source heat pump within the external courtyard of the rear, lower…
25/08142/FULL
2025
44 Welbeck Street London W1G 8DY
Repositioning of third-floor kitchenette door; Installation of a fire door and associated…
25/08107/LBC
2025 Approved
Hahnemann House 32 Welbeck Street London W1G 8EU
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
25/06276/AD7
2025
Crofton House 1 New Cavendish Street London W1G 8US
Refurbishment works to flat 7 the existing flat including formation of new kitchen and ba…
25/07065/LBC
2025
Crofton House 1 New Cavendish Street London W1G 8US
Refurbishment works to flat 7 the existing flat including formation of new kitchen and ba…
25/07064/FULL
2025
17 New Cavendish Street London W1G 9UA
Variation of condition 2 of planning permission dated 12th February 1998 (RN:97/05508/FUL…
25/06483/FULL
2025
45 Welbeck Street London W1G 8DZ
Replacement of windows with slimline double glazing windows and associated works.
25/06314/FULL
2025
Hahnemann House 32 Welbeck Street London W1G 8EU
Installation of CCTV to front entrance and rear emergency exit. (Retropsective) Linked wi…
25/06098/LBC
2025
Hahnemann House 32 Welbeck Street London W1G 8EU
Installation of CCTV to front entrance and rear emergency exit. (Retrospective) Linked wi…
25/06097/FULL
2025
45 Welbeck Street London W1G 8DZ
Replacement of windows with slimline double glazing windows and associated works. (Linked…
25/05979/LBC
2025 Approved
Basement And Ground Floor 37 Thayer Street London W1U 2QY
Display of one externally illuminated fascia sign measuring 0.425m x 19.6m.
25/05159/ADV
2025 Withdrawn
Marylebone Library 9 New Cavendish Street London W1G 9UQ
Use of two existing car parking spaces for placement of a parklet (which is not fixed to…
25/03439/FULL
2025
Marylebone Library 9 New Cavendish Street London W1G 9UQ
Provision of a public parklet replacing two existing car parking spaces for a temporary p…
25/04977/FULL
2025
120 Marylebone Lane London W1U 2QG
Installation of external stair at roof level.
25/02654/FULL
2025
Basement And Ground Floor 45 Welbeck Street London W1G 8DZ
Internal alterations at ground and lower ground floor.
25/02269/LBC
2025
Hahnemann House 32 Welbeck Street London W1G 8EU
Installation of CCTV to front and rear entrances (Linked with 25/01795/FULL, Retrospectiv…
25/01796/LBC
2025
Hahnemann House 32 Welbeck Street London W1G 8EU
Installation of CCTV to front and rear entrances. (Linked with 25/01796/LBC, Retrospectiv…
25/01795/FULL
2025 Approved
31 New Cavendish Street London W1G 9TT
Display of non-illuminated fascia sign measuring 1200mm x 315mm, and non illuminated proj…
25/01214/ADV
2020 Approved
Crofton House 1 New Cavendish Street London W1G 8US
Installation of replacement front door.
20/06450/LBC
2020 Approved
The Marylebone Hotel 47 Welbeck Street London W1G 8DN
Use of the public highway on Marylebone Lane and Bulstrode Street for the placing of 15 t…
20/04643/TCH
2020 Approved
44 Welbeck Street London W1G 8DY
Retention of 2 air-conditioning units on roof.
20/03696/LBC
2020 Approved
44 Welbeck Street London W1G 8DY
Retention of 2 air-conditioning units on roof.
20/03695/FULL
2020 Refused
1 Bourne House St Vincent Street London W1U 4DB
Erection of a new roof pavilion and roof terrace space on Bourne House in connection with…
20/01723/FULL
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