1 Knightsbridge London SW1X 7LX Data via plota.co.uk
26/03487/FULL - Full Planning Permission Application
Approved
Proposal
Installation of louvres to ground floor windows to allow operation of new mechanical plant (located internally on ground floor). Data via plota.co.uk
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Application progress
✓
Received
28 May 2026
✓
Approved
17 Jul 2026
Approved on 17 Jul 2026 · Delegated Decision · Last checked 17 Jul 2026
Documents 24
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 7
PDF
LOCATION PLAN
Location Plan · 28 May 2026
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PDF
GROUND FLOOR SHEET 1 OF 2 MECHANICAL SERVICES
Drawing · 28 May 2026
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PDF
EXISTING DRAWINGS
Drawing · 28 May 2026
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PDF
PROPOSED DRAWINGS
Drawing · 28 May 2026
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PDF
EXISTING AND PROPOSED GROUND FLOOR
Drawing · 28 May 2026
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PDF
SITE PLAN
Location Plan · 28 May 2026
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PDF
LOCATION PLAN
Location Plan · 28 May 2026
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Application forms 1
Consultation & comments 1
Other documents 9
PDF
ACK-GENERAL LETTER (G/P/C)
Background Papers · 17 Jun 2026
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PDF
CNSLT-LA SOCIETY
Background Papers · 17 Jun 2026
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PDF
CNSLT-LA SOCIETY
Background Papers · 17 Jun 2026
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PDF
CNSLT-LA SOCIETY
Background Papers · 17 Jun 2026
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PDF
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.
Background Papers · 17 Jun 2026
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PDF
RECEIPT OF APPLICATION
Other · 29 May 2026
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PDF
COVERING LETTER
Background Papers · 28 May 2026
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PDF
SQ-C00274 - OKTRA - METABOLIC - TECH SUB 12 AND 13
Acoustic report · 28 May 2026
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PDF
SYSTEMAIR KV DUO 250 EC 76832
Acoustic report · 28 May 2026
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- SW1X 7LX
- Received
- 28 May 2026
- Validated
- 28 May 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 23 Jul 2026
- Decision
- Application Permitted
- Decision date
- 17 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Left City
Consultation & key dates
- Alt. reference
- PP-14949926
- Press notice
- 24 Jun 2026
- Env. assessment
- No
Historical activity at this location
50 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2025
Approved
Display of three internally illuminated (top edge lit) hanging fascia signs each measurin…
2024
Approved
Installation of new entrance door to Knightsbridge, creation of ramped access, new balust…
2024
Display of two internally illuminated plaque signs measuring 1m x 1m.
2024
Approved
Part change of use of the ground floor from office (Class E(g)) to financial services/ pr…
2023
Approved
Use of part of the ground floor and external forecourt as a café (Use Class E(b)), includ…
2023
Approved
Installation of new external kitchen extract and ducting at roof level.
2023
Approved
External works to Grosvenor Crescent entrance including replacement of existing revolving…
2022
Approved
Display of non-illuminated signs on hoarding measuring 2.4 to 2.8m x 66.34m
2021
Approved
Infill of existing internal void at Level 2 to the Knightsbridge frontage, and other asso…
2021
Approved
Display of non illuminated signage on the existing construction hoarding measuring 1.22mm…
2021
Approved
Removal of existing plant equipment and the infill of the existing plant well at Level 5…
2021
Approved
4 x London planes (T1, T2, T3, T4): Reduce the southern canopy extents by 1.5 to 2 m, bac…
2021
Approved
Installation of plant equipment and associated screening at roof level.
2020
Approved
External works to the Knightsbridge façade and ground floor, the provision of a plant are…
2016
Approved
Display of a double-sided advertisement panel consisting of 1 LED screen and 1 static int…
2016
Approved
Display of a double-sided advertisement panel consisting of 1 LED screen and 1 static int…
2025
Approved
Details of cycle storage and how waste is to be stored on site, pursuant to Conditions 7…
2024
Approved
Detailed drawings of the new external door pursuant to Condition 3 of planning permission…
2023
Details of sample of the paving materials you will use, including plans annotated to show…
2023
Refused
Amendments to planning permission dated 19 May 2023 (RN: 23/01819/FULL) for external work…
2023
Details of samples of paving materials pursuant to Condition 4 of planning permission dat…
2023
Approved
Details of facilitation and funding of public realm works pursuant to Condition 11 of pla…
2021
Approved
Details of a supplementary acoustic report pursuant to condition 7 of planning permission…
2021
Approved
Detailed drawings of an updated landscaping scheme pursuant to Condition 9 of planning pe…
2021
Approved
Details of tree protection measures pursuant to Condition 8 of planning permission dated…
Within ~100m
Nearby activity
2025
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Replacement of existing external platform lift with a new external platform lift. (Linked…
2025
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Replacement of existing external platform lift with a new external platform lift. (Linked…
2025
33 Grosvenor Crescent Mews London SW1X 7EX
Replacement of three existing double glazed windows and two doors with new double glazed…
2025
Refused
21 Knightsbridge London
Erection of timber fence screening to the south boundary of the first floor flat roof and…
2025
Forbes House 10 Halkin Street London SW1X 7DS
T1) London Plane - Reduce back to previous reduction points As part of continued, regular…
2025
27 Grosvenor Crescent Mews London SW1X 7EX
T1 Ash Tree, Red: Tree in decline, one secondary stem has now failed which forms part of…
2025
Approved
Grosvenor Crescent Mews London
1 x Italian Alder (T123 outside no. 33) Lift low canopy to 4m over road.
2025
Approved
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Installation of an external cigar lounge structure on hardstanding at rear of hotel for t…
2025
21 Knightsbridge London
Erection of a permanent timber fence screening to the south boundary of the 1st floor roo…
2025
33 Grosvenor Crescent Mews London SW1X 7EX
Works to the existing two residential units (Use Class C3) at 33 Grosvenor Crescent Mews…
2025
11 Grosvenor Crescent London SW1X 7ED
Installation of CCTV cameras to front and rear elevations of the building. (Linked with 2…
2025
11 Grosvenor Crescent London SW1X 7ED
Installation of CCTV cameras to front and rear elevations of the building. (Linked with 2…
2025
25A Wilton Row London SW1X 7NS
Replacement of existing access hatches with a rooflight.
2024
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Display of an internally illuminated double sided bus-stop digital advertisement screen m…
2024
Bus Shelter 13 Outside Lanesborough Hotel Knightsbridge London
Display of an internally illuminated double sided bus-stop digital advertisement screen m…
2024
Bus Shelters Opposite Lanesborough Hotel Knightsbridge London
Display of internally illuminated LCD content display with automatic rotation to bus shel…
2024
Bus Shelters Opposite Lanesborough Hotel Knightsbridge London
Display of internally illuminated LCD screens with automatic rotation of images measuring…
2024
25A Wilton Row London SW1X 7NS
Installation of a fixed roof light which will be lower than an existing parapet wall repl…
2024
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Internal works of refurbishment to the Presidential Suite across six interconnecting room…
2024
The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TA
Alterations to existing terraces and creation of two enlarged terraces including new sash…
2016
Approved
11 Knightsbridge London SW1X 7LY
Erection of glazed canopies and screens and public art installation to the front elevatio…
2016
Withdrawn
11 Knightsbridge London SW1X 7LY
Provision of a means of enclosure, lighting and heating incidental to the site's use as a…
2016
Approved
11 Grosvenor Crescent London SW1X 7ED
Temporary display of illuminated advertisement hoarding panels and wrap to the Grosvenor…
2016
Approved
11 Grosvenor Crescent London SW1X 7ED
Temporary display of illuminated advertisement hoarding panels and wrap to the Grosvenor…
2016
12 Grosvenor Crescent Mews London SW1X 7EU
Excavation of a new basement level below the existing property and rear garden incorporat…
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 performance
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
Track this application
1 Knightsbridge London SW1X 7LX
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