1 Sloane Court East, London, SW3 4TQ Data via plota.co.uk

Consultation NMA/26/04547
Admin / procedural
Council
Kensington and Chelsea 5.1/10
Date received
24 Aug 2026
Date validated
24 Aug 2026
Postcode
SW3 4TQ

Description

Non-material amendment to planning permission (Installation of new mechanical plant to roof; Installation of 1x boiler flue in roof lightwell; and extension of 3x existing flue to roof level.) to allow the relocation of mechanical plant, the omission of the consented acoustic enclosure, and the amendment of the consented description of development to reflect the altered proposal. Data via plota.co.uk

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Last checked

Site constraints 4

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Article 4 direction
Article 4 - No 100. Named permitted development rights are withdrawn here.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: Kensington and Chelsea 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 ↗
Also on the record
Inside the Kensington and Chelsea built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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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Historical activity at this location

30 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Verification Order required to confirm the description and numbering of four newly develo…
SNN/25/04146
2024 Withdrawn
Installation of new mechanical plant to roof; and construction of new roof plant enclosur…
PP/24/08477
2024 Approved
Installation of advertising to kerb, walkway and scaffolding, affixed to wooden hoarding…
CA/24/07058
2022 Approved
Variation of condition 2 (Compliance with approved drawings) of planning permission 20/06…
PP/22/03628
2020 Approved
Erection of two storey (5th and 6th floor) extension at roof level to provide 4no. reside…
PP/20/06078
Within ~100m

Nearby activity

2025 Approved
52-66 Lower Sloane Street, London, SW1W
Variation of condition 2 (approved drawings) of planning permission 22/03729 to allow ame…
PP/25/06351
2025 Withdrawn
Flat 2, 75A Lower Sloane Street, London, SW1W 8DA
To enclose rear terrace at second floor flat to form a lightweight winter garden, (no inc…
PP/25/05683
2025 Approved
The Sloane Club, 1 Cavalry Square & 52-56 Lower Sloane Street, London, SW1W 8BP
Installation of 2no. new mechanical extract ducts onto existing flat roof and plant deck…
PP/25/04822
2025 Approved
18-22 Holbein Place, London, SW1W 8NL
Installation of one non-illuminated fascia signage and one internally illuminated menu ho…
CA/25/03818
2025 Approved
18-22 Holbein Place, London, SW1W 8NL
Erection of single storey infill extension to rear and changes to existing shopfront; ins…
PP/25/03817
2025 Approved
85-97 Lower Sloane Street, London, SW1W 8BZ
Installation of ductwork and ventilation equipment to rear elevation and other associated…
PP/25/04689
2025
1 Garrison Square London SW1W 8BG
Display of non-illuminated lamppost banners at three locations each measuring 1.50m x 0.7…
25/05530/ADV
2025 Withdrawn
52 Lower Sloane Street, London, SW1W 8BP
Installation of 2 new mechanical extract ducts onto existing flat roof and plant deck, in…
PP/25/03551
2025 Refused
18-22 Holbein Place, London, SW1W 8NL
Erection of a single storey infill extension to rear and changes to existing shopfront; i…
PP/25/02276
2025 Approved
Duke of York Square & Cavalry Square, London, SW3
Prune 4 x Platanus x hispanica (London Plane)
ARB/25/00887
2025 Approved
Flat 7, Holbein House, Holbein Place, LONDON, SW1W 8NH
FELL 1 x Salix sp. (Willow sp.)
ARB/25/00626
2024 Approved
Garden House School, Turks Row, London, SW3 4TW
Prune 2 x Quercus ilex (Holm Oak)
ARB/24/08079
2024 Approved
Advertising Right, Bus Shelter, Pavement Opposite 83, Lower Sloane Street, London, SW1
Internally illuminated sequential advertisement capable of static and dynamic content dis…
CA/24/07318
2024 Approved
Flat 21, 5 Sloane Court East, LONDON, SW3 4TQ
Replacement of existing windows to double glazed sash timber windows
PP/24/05060
2024 Approved
Gardens, Lower Sloane Street, LONDON, SW1W 8BS
FELL 1 x Morus alba (White Mulberry)
ARB/24/04481
2024 Approved
84 Pimlico Road, LONDON, SW1W 8PL
Change to the stall riser of the shopfront; changing 3no glazed panels and 1no side retur…
PP/24/03412
2024 Approved
Flat 1, Holbein House, Holbein Place, LONDON, SW1W 8NH
FELL 1 x Acacia and Prune 1 x London Plane, 1 x Silver Maple in rear garden
ARB/24/03675
2023 Approved
55 Sloane Gardens, London, SW1W 8ED
Verification Order required to confirm the numbering and description of the residential u…
SNN/23/08275
2023 Decided
Flat 30, Holbein House, Holbein Place, London, SW1W 8NH
Prune 1 x Indian Bean (front)
ARB/23/06574
2023 Approved
Holbein House, Holbein Place, London, SW1W 8NH
Installation of external water tank to feed a new sprinkler system (Retrospective Applica…
PP/23/03281
2016 Approved
61-63 Lower Sloane Street, LONDON, SW1W 8DH
Retractable awning blind with side screens (Certificate of existing use)
CL/16/04881
2016 Refused
61-63 Lower Sloane Street, LONDON, SW1W 8DH
Variation of condition 1 (tables and chairs placed on pavement and forecourt) of planning…
PP/16/04078
2016 Approved
55 Sloane Gardens, LONDON, SW1W 8ED
Conversion of property from No2 apartments to No3; creation of roof terrace with railings…
PP/16/02793
2016 Approved
6 Holbein Mews, LONDON, SW1W 8NN
Construction of single storey basement extension; demolition of recessed glazed screen at…
PP/16/01223
2016 Approved
Flat 1, 22 Sloane Court East, LONDON, SW3 4TG
Enlarge light well to form lower ground floor terrace at rear. Removal of roof and front…
PP/16/00661
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings