17 Belgrave Square London SW1X 8PG

Pending 26/03052/ADFULL
Admin / procedural
Council
Westminster 3.7/10
Date received
8 May 2026
Date validated
8 May 2026
Postcode
SW1X 8PG

Description

Detailed drawings showing the roof top acoustic enclosure shall be painted light grey pursuant to condition 6 of planning permission dated 18th August 2025 (RN:25/03416/FULL)

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Detailed drawing of floor build-up of the underfloor heating system; pursuant to...

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detailed drawings at a scale of 1:10 and sections at 1:5 of Windows, Doors, Gara...

26/03059/ADLBC - 8 May 2026

17 Belgrave Square London SW1X 8PG

Detailed drawings showing the roof top acoustic enclosure shall be painted light...

26/03058/ADLBC - 8 May 2026

17 Belgrave Square London SW1X 8PG

Removal of Condition 10 of listed building consent dated 18th August 2025 (RN:25...

26/03051/LBC - 8 May 2026

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Historical activity at this location

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

This property

Previous applications at this address

2025
Replacement of existing windows on all elevations of the building at 17 Belgrave Square a…
25/06935/FULL
2025
Replacement of existing windows on all elevations of the building at 17 Belgrave Square a…
25/06936/LBC
2025 Approved
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
25/04567/LBC
2025 Approved
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
25/04566/FULL
2025
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
25/03417/LBC
2025
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
25/03416/FULL
2025
Amendments to planning permission dated 13 December 2019 (RN: 18/01324/FULL) for 'Demolit…
25/02147/NMA
2025
Minor internal layout changes to 17 Belgrave Square and installation of underfloor heatin…
25/02106/LBC
2024
Proposed works to a listed building are lawful and would not require listed building cons…
24/08249/CLLB
2024
Amendments to planning permission dated13 December 2019 (RN:18/01324/FULL) for demolition…
24/01328/NMA
2024
Amendments to planning permission dated 13 December 2019 (Ref: 18/01324/FULL) for, 'Demol…
24/01324/LBC
2023 Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
23/01545/CLOPUD
2018 Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
18/01325/LBC
2018 Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
18/01324/FULL
2017 Refused
Details of the provision of affordable housing pursuant to condition 11 of planning permi…
17/07591/ADFULL
2017 Approved
Details of construction management plan pursuant to condition 10 of planning permission d…
17/07349/ADFULL
Within ~100m

Nearby activity

2025 Approved
39 Chesham Place London SW1X 8SB
Works in accordance with the attached specification.
25/05094/TCA
2025 Approved
10 Chesham Place London SW1X 8HN
Installation of one ceramic commemorative blue plaque to Julia Margaret Cameron.
25/04529/LBC
2025
4A Belgrave Mews West London SW1X 8HT
Installation of an air source heat pump at roof level.
25/05632/CLOPUD
2025
25 Chesham Mews London SW1X 8HS
The removal of the existing mansard roof and replacement to form an extended to match the…
25/00875/FULL
2025
14 Chesham Place London SW1X 8HN
Damp proofing works to front elevation external to basement lightwell wall and party wall…
25/00211/LBC
2024 Approved
23 Belgrave Square London SW1X 8PZ
Loquat (T1) - Fell.
24/06906/TCA
2024
4A Belgrave Mews West London SW1X 8HT
Installation of an air source heat pump.
24/04274/FULL
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…
24/01661/LBC
2024
17 Belgrave Mews West London SW1X 8HT
Excavation of new basement and construction of a roof extension, including alterations an…
24/01368/FULL
2024
Flat 3 37 Chesham Place London SW1X 8HB
Alterations to rear terrace at second floor level including new French doors, floor finis…
24/01156/LBC
2024
Flat 3 37 Chesham Place London SW1X 8HB
Alterations to rear terrace at second floor level including new French doors, floor finis…
24/01155/FULL
2022 Approved
Flat 1 13 Chesham Place London SW1X 8HN
Replacement of aluminium- and uPVC-framed windows and doors with timber framed windows an…
22/06338/FULL
2022 Approved
Flat 1 13 Chesham Place London SW1X 8HN
Replacement of aluminium- and uPVC-framed windows and doors with timber-framed windows an…
22/06339/LBC
2023 Approved
16 Belgrave Square London SW1X 8PG
1 x Golden Rain Tree (rear): Prune back to most recent previous reduction points leaving…
23/00938/TCA
2022 Approved
4A Belgrave Mews West London SW1X 8HT
Replacement windows at ground, first and second floor level; widening of entrance portico…
22/08280/FULL
2022 Approved
25 Chesham Mews London SW1X 8HS
Replacement of mansard roof and excavation to create a single storey basement beneath the…
22/05964/FULL
2022 Approved
14-15 Belgrave Square London SW1X 8PS
2 x bays (T1 and T2): Reduce the crowns by up to 1.5 metres, leaving balanced crowns
22/03417/TCA
2022
22 Chesham Mews London SW1X 8HS
Alterations including extension of mansard roof by infilling existing terrace, installati…
22/01028/FULL
2021 Approved
18 Belgrave Mews West London SW1X 8PX
1 x hornbeam (T1, rear): Crown reduce to no more than previous most recent reduction poin…
21/07752/TCA
2021 Approved
38 Chesham Place London SW1X 8HW
1 x silver birch: fell
21/01078/TCA
2017 Approved
14-15 Belgrave Square London SW1X 8PS
1 x robinia (rear): fell
17/04899/TCA
2017 Approved
Flat 5 13 Chesham Place London SW1X 8HN
Retention of a new soil vent pipe to existing soil pipe. Associated internal partitions t…
17/03189/LBC
2017 Approved
Flat 5 13 Chesham Place London SW1X 8HN
Retention of a new soil vent pipe to existing soil pipe.
17/04979/FULL
2017 Approved
14-15 Belgrave Square London SW1X 8PS
Changing of locking mechanism to council room doors to push bar release to comply with me…
17/04495/LBC
2017 Approved
21-23 Belgrave Square London SW1X 8PZ
Removal and replacement of existing roof finishes and ceilings and with new, replace uppe…
17/02213/LBC
Westminster
Planning Authority Score
3.7/10
Below average
#209 of 292 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #227 out of 292. Only 27% of applications have the time limit extended, well below the 40% 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 79% approved vs 90% nationally.

One of the strictest councils
only 79% 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, 2025
86%
Overall approval rate
Below avg (87%) #200 of 292
79%
Householder approved
Below avg (90%) #279 of 292
53%
Decided in 8 weeks
Below avg (64%) #227 of 292
27%
Extended time limit
Below avg (40%) #43 of 292
86%
Minor dwellings approved
14 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
86%
Change of use approved
140 decided
4,828
Total decisions
669 refused in 2025
Source: MHCLG planning statistics · See full council rankings