44 Chiltern Street London W1U 7QP Data via plota.co.uk
26/02432/FULL - Full Planning Permission Application
Approved
Proposal
Installation of two external air conditioning condenser units positioned at ground floor level, on top of the existing light well roof. Data via plota.co.uk
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Application progress
✓
Received
14 Apr 2026
✓
Consultation
18 May 2026
✓
Approved
24 Jun 2026
Approved on 24 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 21
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 9
PDF
AMENDED DRAWING
Drawing · 22 May 2026
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PDF
DRAWING ISSUE
Background Papers · 14 Apr 2026
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PDF
EXISTING FLOOR PLAN
Drawing · 14 Apr 2026
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PDF
EXISTING LONGITUDINAL ELEVATION B
Drawing · 14 Apr 2026
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PDF
EXISTING VIEW H
Drawing · 14 Apr 2026
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PDF
PROPOSED FLOOR PLANS
Drawing · 14 Apr 2026
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PDF
PROPOSED LONGITUDINAL ELEVATION B
Drawing · 14 Apr 2026
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PDF
PROPOSED VIEW H
Drawing · 14 Apr 2026
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PDF
LOCATION PLAN
Location Plan · 14 Apr 2026
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Application forms 2
Consultation & comments 1
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1U 7QP
- Received
- 14 Apr 2026
- Validated
- 14 Apr 2026
- Ward
- Marylebone
- Case officer
- Track to view
- Target decision
- 9 Jun 2026
- Decision
- Application Permitted
- Decision date
- 24 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Track to view
- Agent
- 101 A+D
Consultation & key dates
- Alt. reference
- PP-14854781
- Site notice
- 18 May 2026
- Press notice
- 27 May 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
39 Manchester Street London W1U 7LJ
Waterproofing of underpavement vaults using cavity membrane system.
2025
Approved
41 Manchester Street London W1U 7LN
Internal and external alterations, and installation of air source heat pump and plant mac…
2025
Approved
36 Manchester Street London W1U 7LH
Alterations to existing two rooflights including installation of hanger joists and angle…
2025
Approved
36 Manchester Street London W1U 7LH
Alterations to existing two rooflights including installation of hanger joists and angle…
2025
27 Manchester Street London W1U 4DJ
Internal refurbishment, security and fire safety improvement works of the communal areas…
2025
40 - 42 Chiltern Street London W1U 7QN
Display of two non-illuminated fascia signs each measuring 0.50m x 0.12m and a non-illumi…
2025
40 - 42 Chiltern Street London W1U 7QN
Installation of two wall mounted electric heaters, four wall lamps and two awnings. (Link…
2025
Approved
37 Chiltern Street London W1U 7PW
Display of graphic window vinyls on the ground floor windows at 37 Chiltern Street for a…
2025
Approved
52 Dorset Street London W1U 7NQ
Installation of a replacement of roof light on the rear flat roof and installation of new…
2025
Approved
1 Chiltern Street London W1U 7PA
Reinstatement of roof structure, roof finishes and plant following fire on 14.02.25
2025
Approved
1 Chiltern Street London W1U 7PA
Removal and replacement of all remaining pugging to 1st and 2nd floor soffits to facilita…
2025
Withdrawn
52 Dorset Street London W1U 7NQ
Installation of a replacement of roof light on the rear flat roof and installation of new…
2025
Refused
27 Manchester Street London W1U 4DJ
Internal refurbishment, security and fire safety improvement works of the communal areas…
2025
62 - 64 Baker Street London W1U 7DF
Display of internally illuminated LCD portrait screen outside 66 - 70 Baker Street measur…
2025
62 - 64 Baker Street London W1U 7DF
Installation of an open access Communication Hub outside 66 - 70 Baker Street, following…
2025
Approved
52 - 55 Dorset Street London W1U 7NH
Shopfront alterations, internal fit out works, and replacement advertisements.
2025
Approved
52 - 55 Dorset Street London W1U 7NH
Display two externally illuminated hanging signs each measuring 0.75m x 0.57m; two intern…
2025
56 Blandford Street City Of Westminster London W1U 7JA
The installation of 2 lanterns above the entrance doors.
2025
Flat 5 35 Manchester Street London W1U 7LQ
Installation of secondary glazing to existing single glazed timber windows of Flat 5.
2025
40 - 42 Chiltern Street London W1U 7QN
Variation of condition 4 of planning permission dated 12 February 2015 (RN:24/08623/FULL)…
2019
Approved
23 Manchester Street London W1U 4DJ
Internal alterations and repairs to the common parts of the building.
2019
Approved
50 - 52 Baker Street London W1U 7BT
Installation of partially openable shopfront and new glazed shopfront.
2018
Refused
2 Dorset Street London W1U 4EE
Replacement of the existing windows with double glazed timber windows to front and rear e…
2018
Refused
2 Dorset Street London W1U 4EE
Replacement of the existing windows with double glazed timber windows to front and rear e…
2018
Approved
52 - 55 Dorset Street London W1U 7NH
Display of externally illuminated projecting sign measuring 0.45m x 0.6m x 0.05m and exte…
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
Track this application
44 Chiltern Street London W1U 7QP