26 Montagu Mews South London W1H 7ES Data via plota.co.uk

25/05187/FULL - Full Planning Permission Application Approved

Proposal

Replacement of garage doors with timber windows. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
25 Jul 2025
✓
Validated
1 Sept 2025
✓
Consultation
9 Sept 2025
✓
Approved
17 Oct 2025

Approved on 17 Oct 2025 · Delegated Decision · Last checked 18 Oct 2026

Documents 14

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 17 Oct 2025 View ↗ PDF DELEGATED REPORT Report · 17 Oct 2025 View ↗

Statements & assessments 2

PDF HERITAGE STATEMENT Heritage Statement · 28 Aug 2025 View ↗ PDF SUSTAINABLE DESIGN STATEMENT Sustainability appraisal · 28 Aug 2025 View ↗

Plans & drawings 2

PDF EXISTING AND PROPOSED ELEVATIONS AND WINDOW SECTION Drawing · 1 Sept 2025 View ↗ PDF EXISTING AND PROPOSED DRAWINGS + LOCATION PLAN Superseded document · 25 Jul 2025 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 25 Jul 2025 View ↗

Consultation & comments 2

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 9 Sept 2025 View ↗ PDF INVALID CHASER LETTER (14 DAY RESPONSE) Background Papers · 28 Aug 2025 View ↗

Other documents 5

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 9 Sept 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 9 Sept 2025 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 9 Sept 2025 View ↗ PDF RECEIPT OF APPLICATION Other · 31 Jul 2025 View ↗ PDF 1ST INVALID LETTER Background Papers · 31 Jul 2025 View ↗

All documents on the council site ↗

Site constraints 9

Grade II listed: 18, Montagu Street W1
List entry 1267356 · 1 m away · 46 more listed buildings within 150 m (1 Grade I, 45 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 46 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 ↗
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 177 m away: Portman Square and Manchester Square; National infrastructure project 101 m away: London Strategic Heat Main Project, at pre-application; 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 1

Last sold for £825,000 in January 2025. Flat or maisonette, leasehold.

15 January 2025£825,000

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

Building

Floor area71 m² (764 sq ft)
Energy ratingD (67 out of 100), could reach C
PropertyMid-terrace house, 4 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2026, the latest held for this property. The building may have changed since. View the certificate

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Flat 6 15 Fitzhardinge Street London W1H 6EQ

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1H 7ES
Received
25 Jul 2025
Validated
1 Sept 2025
Ward
Marylebone
Case officer
Show
Target decision
27 Oct 2025
Decision
Application Permitted
Decision date
17 Oct 2025
Decision level
Delegated Decision
Applicant
Show
Agent
Maurice Cox

How this decision compares

Decided in 46 days from validation, 30 days faster than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.

35%decided within 8 weeks
86%approved
2,198decided in the last year

Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

10 neighbours consulted · Last counted 18 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14083745
Planning Portal ref
PP-14083745
Comments by
8 Oct 2025
Site or press notice
9 Sept 2025
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 Withdrawn
Alteration of existing coach house/garage to kitchen and living room with new painted tim…
25/04074/CLOPUD
Within ~100m

Nearby activity

2025 Approved
Rutland Court 64 Upper Berkeley Street London W1H 7QT
Installation of a single wrought iron gate at the entrance to the passageway leading to a…
25/06129/FULL
2025
Basement And Ground Floor 67 Upper Berkeley Street London W1H 7QX
Display for a temporary period of six months of a non-illuminated estate agent board loca…
25/07459/AD7
2025
Basement And Ground Floor 67 Upper Berkeley Street London W1H 7QX
Display for a temporary period of six months of a non-illuminated estate agent board loca…
25/07458/AD7
2025
42 Great Cumberland Place London W1H 7TP
Repair of six vaults and associated works.
25/07213/LBC
2025
Flat 2 68 Upper Berkeley Street London W1H 7QY
Internal alterations to the first floor flat with the inclusion of a new boiler flue pene…
25/06603/LBC
2025 Approved
8 Montagu Mews South London W1H 7ER
Gas meter relocation to the front facade
25/04796/FULL
2025
Flat 2 13 Montagu Street London W1H 7EX
Installation of airbrick to front elevation, new secondary glazing, reconfiguration, acou…
25/04426/LBC
2025
Flat 2 13 Montagu Street London W1H 7EX
Installation of airbrick to front elevation, new secondary glazing, reconfiguration, acou…
25/04425/FULL
2025 Approved
68 Great Cumberland Place London W1H 7TX
1 x Japanese maple (T2): Reduce all round by approx. 1m, leaving furnishing growth . Thin…
25/03179/TCA
2025
2 Wallenberg Place City Of Westminster London W1H 7TN
Details of two externally illuminated lettering fascia sign measuring 1490mm x 160mm and…
25/01328/ADV
2025
Flat 4 1 Bryanston Square London W1H 2DH
Internal alterations including new partitions, joinery and cornices, kitchen and bathroom…
25/01336/LBC
2025
2 Wallenberg Place City Of Westminster London W1H 7TN
Details of two externally illuminated lettering fascia sign measuring 1490mm x 160mm and…
25/01293/LBC
2025
12 Upper Berkeley Street London W1H 7QD
Display for a temporary period of six months of a non-illuminated estate agent board atta…
25/01287/AD7
2025
Flat 7 1 Bryanston Square London W1H 2DH
Replacement of two rooflights and two crittal windows with timber box sash windows and re…
25/01181/LBC
2025
37 Great Cumberland Place London W1H 7TD
Installation of a water misting system throughout the building.
25/00930/LBC
2025
37 Great Cumberland Place London W1H 7TD
Introduction of three new anchor posts on the main roof and additional concealed eye bolt…
25/00916/LBC
2025
2 Wallenberg Place City Of Westminster London W1H 7TN
Replacement of external doors on rear elevation facing Quebec Mews. (Linked with 25/00711…
25/00710/FULL
2025
2 Wallenberg Place City Of Westminster London W1H 7TN
Replacement of external doors on rear elevation facing Quebec Mews. (Linked with 25/00710…
25/00711/LBC
2024
3 Brunswick Mews London W1H 7FB
Erection of new mansard roof extension.
24/08923/FULL
2024
Second Floor And Third Floor Maisonette 18 New Quebec Street London W1H 7DG
Internal alterations including the removal and addition of partitions.
24/08257/LBC
2018 Refused
14 Montagu Street London W1H 7EX
Alterations including the installation of glazed opaque balustrades to create a rear roof…
18/04765/LBC
2018 Refused
14 Montagu Street London W1H 7EX
Alterations including the installation of glazed opaque balustrades to create a rear roof…
18/04764/FULL
2018 Approved
71-73 Upper Berkeley Street London W1H 7DB
Installation of hand rails to entrance doors at 71 and 72
18/03238/FULL
2018 Approved
11 Upper Berkeley Street London W1H 7QB
Internal alterations including removal of existing dado rail to the right of the Second F…
18/02986/LBC
2018 Approved
67 Upper Berkeley Street London W1H 7QU
Installation of an air conditioning unit at basement level in the front lightwell of the…
18/01171/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

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

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.