22 Manchester Square London W1U 3PT Data via plota.co.uk

26/04423/LBC - Listed Building Consent Application Approved

Proposal

Installation of a cycle lift; improvements to the existing rear balcony; replacement of existing plant with identical versions; internal works to the building comprised; refitting the interiors of the building; and retaining and restoring existing historic fabric. (Linked with 26/04422/FULL) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Jul 2026
✓
Validated
29 Jul 2026
✓
Approved
2 Oct 2026

Approved on 2 Oct 2026 · Delegated Decision · Last checked 2 Oct 2026

Documents 56

Plans & drawings 42

PDF DRAWING ISSUE SHEET Drawing · 3 Jul 2026 View ↗ PDF SITE LOCATION PLAN & SITE PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING BASEMENT FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING GROUND FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING FIRST FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING SECOND FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING THIRD FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING FOURTH FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF EXISTING ROOF PLAN PLAN Drawing · 3 Jul 2026 View ↗ PDF SECTION AA Drawing · 3 Jul 2026 View ↗ PDF SECTION BB Drawing · 3 Jul 2026 View ↗ PDF EXISTING ELEVATIONS 01 & 02 Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION FIRST FLOOR Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION SECOND FLOOR Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION THIRD FLOOR Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION FOURTH FLOOR Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION ROOF Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION BASEMENT Drawing · 3 Jul 2026 View ↗ PDF DEMOLITION GROUND FLOOR Drawing · 3 Jul 2026 View ↗ PDF PROPOSED BASEMENT FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED GROUND FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED FIRST FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED SECOND FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED THIRD FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED FOURTH FLOOR PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED ROOF PLAN Drawing · 3 Jul 2026 View ↗ PDF PROPOSED SECTION AA Drawing · 3 Jul 2026 View ↗ PDF PROPOSED SECTION BB Drawing · 3 Jul 2026 View ↗ PDF PROPOSED ELEVATIONS 01 & 02 Drawing · 3 Jul 2026 View ↗ PDF LIGHTWELL PLATFORM LIFT SECTION/ELEVATION Drawing · 3 Jul 2026 View ↗ PDF LIGHTWELL PLATFORM LIFT SECTION/ELEVATION Drawing · 3 Jul 2026 View ↗ PDF 3RD FLOOR TERRACE DETAILS Drawing · 3 Jul 2026 View ↗ PDF LIGHTWELL PLATFORM LIFT PLANS Drawing · 3 Jul 2026 View ↗ PDF PROPOSED STAIRCASE BS TO 3F Drawing · 3 Jul 2026 View ↗ PDF PROPOSED STAIRCASE 3F TO 4F Drawing · 3 Jul 2026 View ↗ PDF CEILINGS/CORNICES STRATEGY Drawing · 3 Jul 2026 View ↗ PDF GROUND FLOOR LOBBY AND RECEPTION DETAILS Drawing · 3 Jul 2026 View ↗ PDF GROUND FLOOR BOARDROOM DETAILS Drawing · 3 Jul 2026 View ↗ PDF FIRST AND SECOND FLOOR MEETING DETAILS Drawing · 3 Jul 2026 View ↗ PDF INTERNAL DOOR SCHEDULE PART 1 Drawing · 3 Jul 2026 View ↗ PDF INTERNAL DOOR SCHEDULE PART 2 Drawing · 3 Jul 2026 View ↗ PDF EXTERNAL DOOR SCHEDULE Drawing · 3 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 22-25, Manchester Square W1
List entry 1273725 · The pin is inside its outline · 41 more listed buildings within 150 m (2 Grade II*, 39 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 41 with distances
Historic England ↗
Portman Estate 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.
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 ↗
Registered park or garden 31 m away: Portman Square and Manchester Square
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
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 1937 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; Town centre 33 m away: Marylebone High Street.
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 area1,512 m² (16,275 sq ft)
Energy ratingE (asset rating 121)
UseOffices and Workshop Businesses
HeatingAir Conditioning

From the energy performance certificate lodged in October 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Listed Building Consent Application
Postcode
W1U 3PT
Received
3 Jul 2026
Validated
29 Jul 2026
Ward
Marylebone
Case officer
Show
Target decision
2 Oct 2026
Decision
Application Permitted
Decision date
2 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DP9 Limited
Freehold owner
Show

How this decision compares

Decided in 65 days from validation, 10 days slower 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 →

Public comments

No public comments yet.

Last counted 2 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15056761
Planning Portal ref
PP-15056761
Comments by
2 Sept 2026
Site or press notice
12 Aug 2026
Env. assessment
No
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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.