40 - 46 Brook Street West End London W1K 5DB Data via plota.co.uk

25/08197/LBC - Listed Building Consent Application Approved

Proposal

Excavation to deepen the basement level under nos 40-46 Brook Street; raising height of fourth-floor ceilings in the rear townhouses (nos. 42-46 Brook Street) and installation of three plant decks with localised structural penetrations to accommodate supporting beams; installation of new external plant equipment and associated enclosures at roof levels, and erection of a lightweight pergola at first-floor level between the townhouses and the mews building, together with two new roof lanterns at ground floor level; replacement of non-original windows at ground and second floor of no. 40 Brook Street, alongside other elevation alterations at ground floor level; reinstatement of historical features, internal and external alterations including localised fabric removal, installation of a corner turret and side gables; and other associated works. (SITE INCLUDES 40 SOUTH MOLTON LANE) Data via plota.co.uk

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View original council record ↗Last checked 10 Oct 2026, 22:44

Street View

Application progress

✓

Received

11 Nov 2025

✓

Validated

17 Nov 2025

✓

Consultation

18 Feb 2026

✓

Approved

1 Apr 2026

Approved on 1 Apr 2026 · Delegated Decision · Last checked 10 Oct 2026

Documents 124

Decision & officer reports 2

PDF GRANT OF LISTED BUILDING CONSENT [PE] Decision Notice · 1 Apr 2026 View ↗ PDF DELEGATED REPORT Report · 1 Apr 2026 View ↗

Statements & assessments 23

Plans & drawings 82

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 11 Nov 2025 View ↗

Consultation & comments 7

PDF HISTORIC ENGLAND Consultee Comment · 6 Mar 2026 View ↗ PDF HISTORIC ENGLAND Consultee Comment · 20 Feb 2026 View ↗ PDF HISTORIC ENGLAND Consultee Comment · 19 Feb 2026 View ↗ PDF HISTORIC ENGLAND Consultee Comment · 19 Feb 2026 View ↗ PDF CNSLT-CONSULTEE CLOUD STD Background Papers · 18 Feb 2026 View ↗ PDF ECNSLT-STD EXT CONSULTEES Background Papers · 18 Feb 2026 View ↗ PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 18 Feb 2026 View ↗

Site constraints 11

Grade II listed: Nos 40-46 Brook Street and No 40 South Molton Lane with attached basement area railings

List entry 1357222 · The pin is inside its outline · 51 more listed buildings within 150 m (2 Grade I, 5 Grade II*, 44 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 51 with distances

25 mClaridges Hotel and Attached Railings Claridges Hotel WingGrade II
29 m41 and 43, Brook Street (S Side)Grade II
33 m1-7, Davies Mews W1 and 28-30 South Molton Lane W1Grade II
34 m10-12, South Molton Street W1Grade II
43 m39 and 39a Brook Street and 22 Avery RowGrade II*
45 m63, South Molton Street W1Grade II
48 mBollard at Junction With Avery RowGrade II
55 mK6 Telephone KioskGrade II
55 m37, Brook Street W1Grade II
57 m14-16, South Molton Street W1Grade II
62 mGreybrook HouseGrade II
63 mRunning Horse Public HouseGrade II
64 m12-20, Avery Row W1Grade II
65 mBonhams (Blenstock House)Grade II
74 m17, South Molton Street W1Grade II*
80 m58, Davies Street W1Grade II
80 m18, South Molton Street W1Grade II
81 mGrosvenor Estate OfficeGrade I
81 m103, New Bond Street W1Grade II
85 m27 and 29, Brook Street W1Grade II
86 m19 and 20, South Molton Street W1Grade II
87 m50, South Molton Street W1Grade II
93 mGrosvenor Estate OfficeGrade II
95 mNo. 25, BROOK STREETGrade I
96 m21 and 22, Grosvenor Street W1Grade II
98 m21, South Molton Street W1Grade II
100 m16, Grosvenor Street W1Grade II
101 m20, Brook Street W1Grade II
101 m23, Brook Street W1Grade II
104 m70, Brook Street W1Grade II
104 m11, Avery Row W1Grade II
108 m65, Brook Street W1Grade II
109 m7-10, Avery Row W1Grade II
110 m72, Brook Street W1Grade II*
116 m24 and 25, South Molton Street W1Grade II
117 m67, Brook Street W1Grade II
120 m74, Brook Street W1Grade II
120 m27, Three Kings Yard W1Grade II
125 m9, Lancashire Court W1Grade II
126 m6, Avery Row W1Grade II
127 mThe Savile ClubGrade II*
128 m26, South Molton Street W1Grade II
128 m76, Brook Street W1Grade II*
130 m5, Avery Row W1Grade II
132 m41, South Molton Street W1Grade II
134 m4, Avery Row W1Grade II
137 m74, New Bond Street W1Grade II
137 m118, New Bond Street W1Grade II
139 m13, Lancashire Court W1Grade II
143 m12, Lancashire Court W1Grade II
143 m119, New Bond Street W1Grade II

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 ↗

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.

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 ↗

Town centre: West End

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

National infrastructure project 1393 m away: Thames Tideway Tunnel; Registered park or garden 238 m away: Grosvenor Square; 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 area2,981 m² (32,087 sq ft)

Energy ratingC (asset rating 60)

UseOffices and Workshop Businesses

HeatingAir Conditioning

From the energy performance certificate lodged in March 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: Listed Building Consent Application
Postcode: W1K 5DB
Received: 11 Nov 2025
Validated: 17 Nov 2025
Ward: West End
Case officer: Show
Target decision: 12 Jan 2026
Decision: Application Permitted
Decision date: 1 Apr 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Newmark

How this decision compares

Decided in 135 days from validation, 78 days slower than Westminster's median of 57 for listed building works. Approved, as 90% of listed building works here are.

This one135d

Council57d

UK57d

49%decided within 8 weeks

90%approved

2,227decided in the last year

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

Public comments

No public comments yet.

167 neighbours consulted · Last counted 10 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference: PP-14430657
Planning Portal ref: PP-14430657
Comments by: 18 Mar 2026
Site or press notice: 18 Feb 2026
Env. assessment: No

Historical activity at this location

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

This property

Previous applications at this address

2025

Minor works to the external party wall between 40-46 Brook Street and 48 Brook Street, mi…

25/06401/LBC 8 Sep 2025

Within ~100m

Nearby activity

2025 Approved

Basement And Ground Floor 54 South Molton Street London W1K 5SE

Display of one internally illuminated (letters only) fascia sign measuring 0.47m x 1.6m…

25/05372/ADV 18 Nov 2025

2025

106 New Bond Street London W1S 1SY

Display of a scaffold shroud to the front elevation of 105-106 New Bond Street and 18 Hau…

25/07922/ADV 31 Oct 2025

2025

Claridges Hotel 47 - 57 Brook Street West End London W1K 4HR

Replacement of shopfronts and balustrades, and facade repair works including replacement…

25/07266/LBC 8 Oct 2025

2025

Claridges Hotel 47 - 57 Brook Street West End London W1K 4HR

Replacement of shopfronts and balustrades, and facade repair works including replacement…

25/07265/FULL 8 Oct 2025

2025

27 - 29 Brook Street West End London W1K 4HE

Proposed internal and external works to 27-29 Brook Street, including external refurbishm…

25/06767/LBC 19 Sep 2025

2025

58 Davies Street London W1K 5LP

Minor works to the party wall of 56 and 58 Davies Street and other associated works.

25/06400/LBC 8 Sep 2025

2025 Refused

South Molton Street London

Display of six green plastic trees with gold star and warm white LED Lights measuring 7m…

25/05336/ADV 5 Sep 2025

2025 Approved

Basement To Ground Floor 8 South Molton Street London W1K 5QQ

Display of internally illuminated projecting sign measuring 0.7m X 0.6m and internally il…

25/05018/ADV 26 Aug 2025

2025 Approved

37 Brook Street West End London W1K 4HH

Installation of new signage (Linked to 25/04938/ADV)

25/04666/LBC 18 Aug 2025

2025 Approved

37 Brook Street West End London W1K 4HH

Display of an internally illuminated hanging sign measuring 0.83m x 0.83m. (Linked to 25/…

25/04938/ADV 13 Aug 2025

2025 Approved

53 Davies Street London W1K 5JH

1 x lime (T1): Reduce all round by approx. 2m to previous, most recent reduction points…

25/04228/TCA 12 Aug 2025

2025

20 Brook Street West End London W1K 5DE

Replacement shopfront, replacement roof light on the third floor roof facing North. Minor…

25/05616/LBC 11 Aug 2025

2025

20 Brook Street West End London W1K 5DE

Display of non illuminated fascia sign measuring 4.77m X 0.46m and internally illuminated…

25/05619/ADV 11 Aug 2025

2025

20 Brook Street West End London W1K 5DE

Replacement shopfront, replacement roof light on the third floor roof facing North, minor…

25/05618/FULL 11 Aug 2025

2025 Approved

63 South Molton Street London W1K 5ST

Display of internally illuminated fascia sign measuring 2.094m x 0.2m and internally illu…

25/04849/ADV 29 Jul 2025

2025 Approved

52 - 54 Davies Street London W1K 5JF

Partial demolition to second and third floors behind retained Davies Street elevation, pa…

25/02828/LBC 27 Jun 2025

2025

10 South Molton Lane London W1K 5LE

Demolition of later rear addition, part ground floor and basement to create a ground floo…

25/03046/LBC 2 May 2025

2025

15 South Molton Lane London

Reconfiguration to front and rear ground floor elevations including for access to South M…

25/03047/LBC 2 May 2025

2025

1 - 7 Davies Mews London W1K 5AB

Demolition behind retained Davies Mews and South Molton Lane facades including interior…

25/02827/LBC 24 Apr 2025

2025

19 South Molton Street London W1K 5QX

Display of externally illuminated temporary decorative scaffold shroud screen measurng 4…

25/02501/ADV 10 Apr 2025

2023 Refused

First Floor 7 South Molton Street London W1K 5QG

Installation of an internal condenser with louvred grilles installed within existing wind…

23/00503/FULL 23 Mar 2023

2023 Approved

56A South Molton Street London W1K 5SH

Display of a halo illuminated fascia sign measuring 0.12m x 1.8m

23/01513/ADV 21 Mar 2023

2022 Approved

103 New Bond Street London W1S 1ST

Removal of the existing render above the shopfront and replacement with new lime render p…

22/08272/FULL 1 Mar 2023

2022 Approved

103 New Bond Street London W1S 1ST

Removal of the existing render above the shopfront and replacement with new lime render p…

22/08270/LBC 1 Mar 2023

2022 Approved

15 South Molton Street London W1K 5QR

Removal and re-instatement of modern ceilings, and amendments to flooring, to allow for i…

22/08622/LBC 22 Feb 2023

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

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.

40 - 46 Brook Street West End London W1K 5DB Data via plota.co.uk

Proposal

Application progress

Documents 124

Decision & officer reports 2

Statements & assessments 23

Plans & drawings 82

Application forms 1

Consultation & comments 7

Other documents 9

Site constraints 11

Building

Other new applications on this street

Nearby new applications

Important details

How this decision compares

Public comments

Consultation & key dates

Previous applications at this address

Nearby activity