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

26/03520/LBC - Listed Building Consent Application Approved
Extensions & alterationsListed buildings

Proposal

Internal refurbishment and refit of second floor flat. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 May 2026
✓
Approved
16 Jun 2026

Approved on 16 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026

Documents 14

Decision & officer reports 2

PDF GRANT OF LISTED BUILDING CONSENT [PE] Decision Notice · 16 Jun 2026 View ↗ PDF DELEGATED REPORT Report · 16 Jun 2026 View ↗

Statements & assessments 2

PDF 2601_DOC_HS_HERITAGE STATEMENT Heritage Statement · 28 May 2026 View ↗ PDF 2601_DPC_DAS_DESIGN AND ACCESS STATEMENT Design and Access Statement · 28 May 2026 View ↗

Plans & drawings 6

PDF 2601_E00_SITE LOCATION AND BLOCK PLAN Location Plan · 28 May 2026 View ↗ PDF 2601_E01_EXISTING PLANS Drawing · 28 May 2026 View ↗ PDF 2601_P01_PROPOSED PLANS Drawing · 28 May 2026 View ↗ PDF 2601_P02_PROPOSED DETAILS_DOOR AND JOINERY Drawing · 28 May 2026 View ↗ PDF 2601_P03_PROPOSED SPECIALIST DOOR DETAILS Drawing · 28 May 2026 View ↗ PDF 2601_P04_PROPOSED CORNICE DETAILS Drawing · 28 May 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 28 May 2026 View ↗ PDF 2601_FIRE GATEWAY 1 FORM COMPLETED Background Papers · 28 May 2026 View ↗

Other documents 2

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 15 Jun 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 1 Jun 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 14 and 16, New Cavendish Street W1
List entry 1224637 · The pin is inside its outline · 28 more listed buildings within 150 m (1 Grade II*, 27 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 28 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; National infrastructure project 1973 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.

Sales history 4

Last sold for £2,250,000 in May 2026. Flat or maisonette, leasehold.

8 May 2026£2,250,000
31 January 2018£2,050,000
26 August 2008£1,450,000
25 March 2004£650,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Important details

Council
Westminster
Application type
Listed Building Consent Application
Postcode
W1G 8UP
Received
28 May 2026
Validated
28 May 2026
Ward
Marylebone
Case officer
Show
Target decision
23 Jul 2026
Decision
Application Permitted
Decision date
16 Jun 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 19 days from validation, 36 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.

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 →

Consultation & key dates

Alt. reference
PP-14945449
Planning Portal ref
PP-14945449
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:
Other 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.