17 Belgrave Square London SW1X 8PG Data via plota.co.uk
26/04850/ADLBC - Approval of Details (ADLBC)
Pending
Proposal
Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC) Data via plota.co.uk
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Application progress
✓
Received
20 Jul 2026
Decision
Awaiting decision
This application is under consideration - no decision has been issued yet.
Documents 34
Decision & officer reports 2
Plans & drawings 28
PDF
TYPICAL WINDOW - LEVEL LG - LG.W1
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL LG - LG.W3
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 02 - 2.W1
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL LG - LG.W2
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 00 - G.W1 AND G.W2
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 01 - 1.W1,1.W2 AND 1.W3
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 02 - 2.W2 AND 2.W3
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 03 - 3.W1, 3.W2 AND 3.W
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 04 - 4.W1, 4.W2,4.W3, 4.W4,4.W5 & 4.W7
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 00 - G.W3
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 01 - 1.W
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 01 - 2.W1
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 02 - 2.W4
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 02 - MEZ.W1& MEZ.W2
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 03 - 3.W4
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 03 - 3.W5, 3.W6 & 3.W7
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 04 - 4.W6
Drawing · 20 Jul 2026
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PDF
TYPICAL WINDOW - LEVEL 01 - 1.W5
Drawing · 20 Jul 2026
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PDF
TYPICAL SKYLIGHT SW_SC0-05_01_N
Drawing · 20 Jul 2026
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PDF
TYPICAL SKYLIGHT SW_B1-025_01_N
Drawing · 20 Jul 2026
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PDF
TYPICAL SKYLIGHT SW_SC0-05_02_N
Drawing · 20 Jul 2026
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PDF
PROPOSED LIGHTING LAYOUT FIRST FLOOR PLAN MAIN HOUSE
Drawing · 20 Jul 2026
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PDF
PROPOSED FLOOR FINISH FIRST FLOOR PLAN MAIN HOUSE
Drawing · 20 Jul 2026
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PDF
PROPOSED LIGHTING LAYOUT GROUND FLOOR PLAN MAIN HOUSE
Drawing · 20 Jul 2026
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PDF
PROPOSED FLOOR FINISH GROUND FLOOR PLAN MAIN HOUSE
Drawing · 20 Jul 2026
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PDF
FLOOR FINISH TYPES
Drawing · 20 Jul 2026
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PDF
GARAGE DOOR TYPE
Drawing · 20 Jul 2026
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PDF
DRAWING SCHEDULE
Background Papers · 20 Jul 2026
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Application forms 1
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Important details
- Council
- Westminster
- Application type
- Approval of Details (ADLBC)
- Postcode
- SW1X 8PG
- Received
- 20 Jul 2026
- Validated
- 20 Jul 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 14 Sept 2026
- Agent
- Montagu Evans LLP
Consultation & key dates
- Alt. reference
- PP-15097365
- Env. assessment
- No
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…
2025
Replacement of existing windows on all elevations of the building at 17 Belgrave Square a…
2025
Approved
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
2025
Approved
Replacement of existing lift shaft, repositioning of two windows and one door and upgradi…
2025
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
2025
Replacement and erection of plant equipment at 17 Belgrave Square and 17 Belgrave Mews We…
2025
Amendments to planning permission dated 13 December 2019 (RN: 18/01324/FULL) for 'Demolit…
2025
Minor internal layout changes to 17 Belgrave Square and installation of underfloor heatin…
2024
Proposed works to a listed building are lawful and would not require listed building cons…
2024
Amendments to planning permission dated13 December 2019 (RN:18/01324/FULL) for demolition…
2024
Amendments to planning permission dated 13 December 2019 (Ref: 18/01324/FULL) for, 'Demol…
2023
Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
2018
Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
2018
Approved
Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square…
2017
Refused
Details of the provision of affordable housing pursuant to condition 11 of planning permi…
2017
Approved
Details of construction management plan pursuant to condition 10 of planning permission d…
Within ~100m
Nearby activity
2025
Approved
39 Chesham Place London SW1X 8SB
Works in accordance with the attached specification.
2025
Approved
10 Chesham Place London SW1X 8HN
Installation of one ceramic commemorative blue plaque to Julia Margaret Cameron.
2025
4A Belgrave Mews West London SW1X 8HT
Installation of an air source heat pump at roof level.
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
Approved
23 Belgrave Square London SW1X 8PZ
Loquat (T1) - Fell.
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…
2024
17 Belgrave Mews West London SW1X 8HT
Excavation of new basement and construction of a roof extension, including alterations an…
2024
Flat 3 37 Chesham Place London SW1X 8HB
Alterations to rear terrace at second floor level including new French doors, floor finis…
2024
Flat 3 37 Chesham Place London SW1X 8HB
Alterations to rear terrace at second floor level including new French doors, floor finis…
2022
Approved
Flat 1 13 Chesham Place London SW1X 8HN
Replacement of aluminium- and uPVC-framed windows and doors with timber framed windows an…
2022
Approved
Flat 1 13 Chesham Place London SW1X 8HN
Replacement of aluminium- and uPVC-framed windows and doors with timber-framed windows an…
2023
Approved
16 Belgrave Square London SW1X 8PG
1 x Golden Rain Tree (rear): Prune back to most recent previous reduction points leaving…
2022
Approved
4A Belgrave Mews West London SW1X 8HT
Replacement windows at ground, first and second floor level; widening of entrance portico…
2022
Approved
25 Chesham Mews London SW1X 8HS
Replacement of mansard roof and excavation to create a single storey basement beneath the…
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
2022
22 Chesham Mews London SW1X 8HS
Alterations including extension of mansard roof by infilling existing terrace, installati…
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…
2021
Approved
38 Chesham Place London SW1X 8HW
1 x silver birch: fell
2017
Approved
14-15 Belgrave Square London SW1X 8PS
1 x robinia (rear): fell
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…
2017
Approved
Flat 5 13 Chesham Place London SW1X 8HN
Retention of a new soil vent pipe to existing soil pipe.
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…
2017
Approved
21-23 Belgrave Square London SW1X 8PZ
Removal and replacement of existing roof finishes and ceilings and with new, replace uppe…
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
17 Belgrave Square London SW1X 8PG
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