18 Lauderdale Mansions Lauderdale Road London W9 1NE Data via plota.co.uk

25/06060/FULL - Full Planning Permission Application Approved

Proposal

Part demolition of existing water tank room; demolition of existing chimney; demolition of one of the rear roof slopes; extension of existing roof terrace to fill space of partially demolished communal water tank room, and demolished rear roof slope; introduction of new larger automated accessible rooflight roof terrace access; installation of double glazed windows. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
26 Aug 2025
✓
Validated
12 Sept 2025
✓
Approved
6 Nov 2025

Approved on 6 Nov 2025 · Delegated Decision · Last checked 18 Oct 2026

Documents 30

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 6 Nov 2025 View ↗ PDF DELEGATED REPORT Report · 6 Nov 2025 View ↗

Statements & assessments 2

PDF LAUDERDALE MANSIONS SUSTAINABILITY STATEMENT Sustainability appraisal · 11 Sept 2025 View ↗ PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 26 Aug 2025 View ↗

Plans & drawings 19

PDF EXISTING PLANS Drawing · 11 Sept 2025 View ↗ PDF PROPOSED PLANS Drawing · 11 Sept 2025 View ↗ PDF EXISTING ELEVATION - 01 Drawing · 11 Sept 2025 View ↗ PDF EXISTING ELEVATION - 02 AND 03 Drawing · 11 Sept 2025 View ↗ PDF EXISTING ELEVATION - 04 Drawing · 11 Sept 2025 View ↗ PDF PROPOSED ELEVATION - 01 Drawing · 11 Sept 2025 View ↗ PDF PROPOSED ELEVATION - 02 AND 03 Drawing · 11 Sept 2025 View ↗ PDF PROPOSED ELEVATION - 04 Drawing · 11 Sept 2025 View ↗ PDF EXISTING SECTION 01 Drawing · 11 Sept 2025 View ↗ PDF EXISTING SECTION 02 Drawing · 11 Sept 2025 View ↗ PDF EXISTING WINDOW DETAILS Drawing · 11 Sept 2025 View ↗ PDF PROPOSED WINDOW DETAILS Drawing · 11 Sept 2025 View ↗ PDF EXISTING ELEVATIONS Drawing · 26 Aug 2025 View ↗ PDF EXISTING PLANS Drawing · 26 Aug 2025 View ↗ PDF EXISTING SECTIONS Drawing · 26 Aug 2025 View ↗ PDF PROPOSED ELEVATIONS Drawing · 26 Aug 2025 View ↗ PDF PROPOSED PLANS Drawing · 26 Aug 2025 View ↗ PDF PROPOSED SECTIONS Drawing · 26 Aug 2025 View ↗ PDF LOCATION PLAN Location Plan · 26 Aug 2025 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 26 Aug 2025 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 15 Sept 2025 View ↗

Other documents 5

PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 15 Sept 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 15 Sept 2025 View ↗ PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 15 Sept 2025 View ↗ PDF 1ST INVALID LETTER Background Papers · 3 Sept 2025 View ↗ PDF ATTACHMENT SUMMARY Background Papers · 26 Aug 2025 View ↗

All documents on the council site ↗

Site constraints 8

Maida Vale 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 ↗
3 listed buildings within 150 m
Nearest: Spanish and Portuguese Synagogue, Grade II, 51 m away · 3 Grade II
The site itself is not listed. 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 all 3 with distances
Historic England ↗
Also on the record
Inside the City of Westminster built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Priority habitat 30 m away: Deciduous woodland; Tree preservation order 30 m away: P4_A2.
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, 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 area110 m² (1,184 sq ft)
Energy ratingE (49 out of 100), could reach D
PropertyEnd-terrace flat, 5 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2018, 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
Full Planning Permission Application
Postcode
W9 1NE
Received
26 Aug 2025
Validated
12 Sept 2025
Ward
Maida Vale
Case officer
Show
Target decision
7 Nov 2025
Decision
Application Permitted
Decision date
6 Nov 2025
Decision level
Delegated Decision
Applicant
Show
Agent
XAMI LTD

How this decision compares

Decided in 55 days from validation, 21 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.

24 neighbours consulted · Last counted 18 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14279663
Planning Portal ref
PP-14279663
Comments by
15 Oct 2025
Site or press notice
24 Sept 2025
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
13 Ashworth Road W9 1JW
Construction of a garden shed.
25/07359/CLOPUD
2025
4 Biddulph Road London W9 1JB
Variation of condition 1 of planning permission dated 5th June 2025 (RN 25/01845/FULL) fo…
25/07165/FULL
2025 Approved
13 Ashworth Road W9 1JW
Erection of a single storey rear extension at ground floor level.
25/03897/FULL
2025 Approved
107A Randolph Avenue London W9 1DL
Excavation of a basement with rear and front lightwell, works to front boundary including…
25/05179/FULL
2025 Approved
99 Randolph Avenue London W9 1DL
Erection of a single storey rear extension and side infill at existing Lower Ground level…
25/03531/FULL
2025 Approved
13 Ashworth Road W9 1JW
Insertion of new rooflights in the existing roof.
25/03896/CLOPUD
2025 Approved
4 Biddulph Road London W9 1JB
Erection of rear extensions at ground and first floor levels, single storey side extensio…
25/01845/FULL
2024
14 Ashworth Road W9 1JY
2 x birch: fell.
24/08366/TDD
2024
13 Ashworth Road W9 1JW
Erection of roof extension with dormer in rear roof slope.
24/08094/FULL
2024
13 Ashworth Road W9 1JW
Erection of dormer window to rear roof slope.
24/08093/FULL
2024
13 Ashworth Road W9 1JW
Alteration of existing window opening and replacement with timber double glazed window.
24/07504/CLOPUD
2024
13 Ashworth Road W9 1JW
Installation of new window in a side elevation at ground floor level.
24/07503/FULL
2024
13 Ashworth Road W9 1JW
Installation of replacement windows and front door.
24/07502/FULL
2024
Basement And Ground Floor Masionette 107 Randolph Avenue London W9 1DL
Excavation of front garden to allow the erection of a lower ground floor extension with a…
24/04579/FULL
2024
Open Space 132 - 188 Sutherland Avenue London W9 2HQ
1590 acacia - reduce 30%; 1651 cherry - fell; 1506 elder x5 reduce by 20%; 1546 lime redu…
24/04456/TPO
2024
132 Sutherland Avenue London W9 1HP
1590 acacia - reduce 30%; 1651 cherry - fell; 1506 elder x5 reduce by 20%; 1546 lime redu…
24/04456/TCA
2024
22 Ashworth Road W9 1JY
Front Garden:T1: Mature Pittosporum: Approximately 7.00m: Reduce crown height by approxim…
24/03938/TCA
2024
Basement And Ground Floor Masionette 107 Randolph Avenue London W9 1DL
Erection of outbuilding to rear garden.
24/03251/FULL
2023 Approved
Basement And Ground Floor Masionette 107 Randolph Avenue London W9 1DL
Erection of single storey rear and side extensions at lower ground floor level, including…
23/04871/FULL
2024
Lauderdale Mansions Lauderdale Road London W9 1LX
Erection of roof extensions, with associated rear terraces and fire escapes; installation…
24/00687/FULL
2016 Withdrawn
99 Randolph Avenue London W9 1DL
Redevelopment and alteration of the semi-detached single family dwelling house to include…
16/01506/FULL
2016 Approved
24 Ashworth Road London W9 1JY
T2 Pear (rear): Reduce crown by up to 30% T3 Hawthorn (rear): Reduce crown by up to 30%
16/02160/TCA
2016 Withdrawn
111 Lauderdale Mansions Lauderdale Road London W9 1LX
Variation of Condition 1 of the planning permission dated 29 December 2015 (RN: 15/06813/…
16/00956/FULL
2016 Approved
Lauderdale Mansions Lauderdale Road London W9 1LX
4 x sycamore (T1-T4, communal gardens to rear of 78-91 Lauderdale Mansions): Reduce crown…
16/00025/TCA
2016 Approved
22 Ashworth Road London W9 1JY
1 x poplar (rear): Reduce stem closest to rear boundary by up to 2m below previous reduct…
16/01753/TCA
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

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.