18 Belgrave Mews West London SW1X 8PX Data via plota.co.uk
26/01147/LBC - Listed Building Consent Application
Approved
Proposal
Repainting and stucco render repair to front facade of 18 Belgrave Square; installation of a replacement EWI render system to rear elevation of 18 Belgrave Mews West and courtyard facing elevations, replacement of external venetian blinds and installation of powder coated aluminium over cills to existing concrete cills (site includes 18 Belgrave Mews West). Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
24 Feb 2026
✓
Validated
8 Apr 2026
✓
Approved
5 Jun 2026
Approved on 5 Jun 2026 · Delegated Decision · Last checked 8 Jul 2026
Documents 27
Decision & officer reports 2
Statements & assessments 3
PDF
DESIGN ACCESS AND HERITAGE STATEMENT
Design and Access Statement · 24 Feb 2026
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PDF
HERITAGE STATEMENT_INCLUDED_IN_DESIGN AND ACCESS STATEMENT
Superseded document · 24 Feb 2026
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PDF
PHOTOGRAPHS AND PHOTOMONTAGES_INCLUDED_IN_DESIGN AND ACCESS STATEMENT
Superseded document · 24 Feb 2026
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Plans & drawings 6
PDF
ELEVATIONS FOR CLEANING AND REPAIR
Drawing · 8 Apr 2026
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PDF
EXISTING AND PROPOSED WINDOW DETAILS
Drawing · 8 Apr 2026
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PDF
LOCATION AND SITE PLAN-
Location Plan · 24 Feb 2026
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PDF
ELEVATIONS FOR CLEANING AND REPAIR
Superseded document · 24 Feb 2026
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PDF
ELEVATION (REAR) - EXISTING_INCLUDED_IN_ELEVATION (FRONT) - EXISTING
Superseded document · 24 Feb 2026
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PDF
ELEVATION (SIDE) - EXISTING_INCLUDED_IN_ELEVATION (FRONT) - EXISTING
Superseded document · 24 Feb 2026
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Application forms 2
Consultation & comments 4
Other documents 10
PDF
ACK-GENERAL LETTER (G/P/C)
Background Papers · 5 May 2026
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PDF
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
Background Papers · 5 May 2026
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PDF
SCOPE OF WORKS
Other · 8 Apr 2026
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PDF
UPDATE LETTER
Other · 8 Apr 2026
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1ST INVALID LETTER
Background Papers · 27 Mar 2026
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PDF
RECEIPT OF APPLICATION
Other · 24 Mar 2026
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PDF
ATTACHMENTSUMMARY
Background Papers · 24 Feb 2026
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PDF
PROPOSED WINDOW DETAILS
Superseded document · 24 Feb 2026
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PDF
SCOPE OF WORKS
Superseded document · 24 Feb 2026
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PDF
BNG_EXEMPTION_STATEMENT
Other · 24 Feb 2026
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Associated applications 3
Site constraints 9
Grade I listed: 13-23, Belgrave Square Sw1
List entry 1066457 · 1 m away · 29 more listed buildings within 150 m (4 Grade I, 2 Grade II*, 23 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 29 with distances
- 46 mThe Star TavernGrade II
- 48 mMews Arch Adjoining West of Numbers 7 and 8Grade II
- 52 m7-14 Chesham Place Including 2-6 Lowndes StreetGrade II
- 59 mMews Arch to Southern End of Belgrave Mews WestGrade II
- 60 m4, Halkin Place Sw1Grade II
- 69 m3, Halkin Place Sw1Grade II
- 73 m9-11, HALKIN PLACE SW1 (See details for further address information)Grade II
- 85 m38, Chesham Place Sw1Grade II
- 91 m29-37 Chesham PlaceGrade II
- 92 m1, Halkin Place Sw1Grade II
- 92 m15,16 and 17, Chesham Place Sw1Grade II
- 94 m12, Belgrave Square Sw1Grade I
- 95 m14, 15 and 16, West Halkin StreetGrade II
- 95 m4-6, West Halkin Street Sw1Grade II
- 97 m42, 43 and 44, Lowndes Street Sw1Grade II
- 98 mSpanish EmbassyGrade I
- 100 mRailings and Gatepiers Gates to Number 24Grade II*
- 107 mRailings Gates and Gate Piers to Number 12Grade II*
- 107 mLowndes HouseGrade II
- 119 m2-12 Halkin Arcade and 27 and 28 Motcomb Street and 11a West Halkin StreetGrade II
- 129 mMews Arch to Roberts MewsGrade II
- 132 m1-11, Belgrave Square Sw1Grade I
- 134 m1-8, Motcomb Street Sw1Grade II
- 135 m11, West Halkin StreetGrade II
- 136 m25-36, Belgrave Square Sw1Grade I
- 138 m1-3, Wilton Terrace Sw1Grade II
- 140 m12A AND 14, LOWNDES STREET SW1 (See details for further address information)Grade II
- 142 m1, Belgrave Place Sw1Grade II
- 149 m21-27, Cadogan Place Sw1Grade II
Belgravia 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.
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.
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.
National infrastructure project 861 m away: Thames Tideway Tunnel
The site is 861 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 5 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Registered park or garden 81 m away: The Grosvenor Estate: Belgrave 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.
Also on the record
Inside the City of Westminster built-up area; Public transport access: PTAL 6a (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 3 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.
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- SW1X 8PX
- Received
- 24 Feb 2026
- Validated
- 8 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 3 Jun 2026
- Decision
- Application Permitted
- Decision date
- 5 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Nick Baker Architects
How this decision compares
Decided in 58 days from validation, about the council's usual 55 days. Approved, as 88% of extensions here are.
This one58d
Council55d
UK55d
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-14267412
- Planning Portal ref
- PP-14267412
- Comments by
- 3 Jun 2026
- Site or press notice
- 13 May 2026
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
17 Belgrave Square London SW1X 8PG
Replacement of existing windows on all elevations of the building at 17 Belgrave Square a…
2025
17 Belgrave Square London SW1X 8PG
Replacement of existing windows on all elevations of the building at 17 Belgrave Square a…
2025
1 West Halkin Street London SW1X 8JJ
Insertion of two passenger lifts within existing listed building
2025
Approved
10 Chesham Place London SW1X 8HN
Installation of one ceramic commemorative blue plaque to Julia Margaret Cameron.
2025
Approved
17 Belgrave Square London SW1X 8PG
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
2025
Approved
17 Belgrave Square London SW1X 8PG
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
2025
4A Belgrave Mews West London SW1X 8HT
Installation of an air source heat pump at roof level.
2025
Approved
1 Halkin Place London SW1X 8JG
Replacement of damaged ceiling joists above utility room at lower ground floor level and…
2025
Withdrawn
3 West Halkin Street London SW1X 8JJ
Use of the site as seven residential flats; internal and external alterations including p…
2025
17 Belgrave Square London SW1X 8PG
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
2025
17 Belgrave Square London SW1X 8PG
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
2025
17 Belgrave Square London SW1X 8PG
Minor internal layout changes to 17 Belgrave Square and installation of underfloor heatin…
2025
3 West Halkin Street London SW1X 8JJ
Use of the site as seven residential flats; internal and external alterations including c…
2025
25 Chesham Mews London SW1X 8HS
The removal of the existing mansard roof and replacement to form an extended to match the…
2025
14 Chesham Place London SW1X 8HN
Damp proofing works to front elevation external to basement lightwell wall and party wall…
2024
17 Belgrave Square London SW1X 8PG
Proposed works to a listed building are lawful and would not require listed building cons…
2024
Approved
23 Belgrave Square London SW1X 8PZ
Loquat (T1) - Fell.
2024
1 West Halkin Street London SW1X 8JJ
Internal alterations comprising installation of a passenger lift from the basement to the…
2024
4A Belgrave Mews West London SW1X 8HT
Installation of an air source heat pump.
2024
Refused
Front Studio Flat Basement 14 Chesham Place London SW1X 8HN
Damp proofing works at lower ground floor level to front external wall and party wall wit…
2017
Withdrawn
6 Lowndes Street London SW1X 9ET
Replacement of existing front and rear elevation windows with timber sash windows at four…
2017
Withdrawn
6 Lowndes Street London SW1X 9ET
Replacement of existing front and rear elevation windows with timber sash windows at four…
2017
Withdrawn
6 Lowndes Street London SW1X 9ET
Installation of air conditioning units with acoustic screen on roof level and internal fa…
2017
Withdrawn
6 Lowndes Street London SW1X 9ET
Installation of air conditioning units with acoustic screen on roof level, replacement of…
2017
Approved
18 Belgrave Mews West London SW1X 8PG
Removal of existing parquet flooring and replacement with new timber parquet flooring.
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
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18 Belgrave Mews West London SW1X 8PX
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