Building 1 Chiswick Park, 566 Chiswick High Road, Chiswick, London, W4 5BE Data via plota.co.uk

P/2025/1166 - PF-Full Applications Approved

Proposal

Installation of plant equipment with associated power cabling and replacement of existing plant equipment at roof level of the building Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
8 Apr 2025
✓
Validated
7 Aug 2025
✓
Approved
10 Nov 2025

Approved on 10 Nov 2025 · Last checked 17 Oct 2026

Documents 15

Decision & officer reports 2

PDF P-Committee Report P-Committee Report · 10 Nov 2025 View ↗ PDF DECTP2 P-Decision Notice · 10 Nov 2025 View ↗

Statements & assessments 6

PDF P-Published Noise Assessment P-Published Noise Assessment · 24 Jul 2025 View ↗ PDF P-Statement Other P-Statement Other · 24 Jul 2025 View ↗ PDF P-Statement Other P-Statement Other · 24 Jul 2025 View ↗ PDF P-Statement Other P-Statement Other · 24 Jul 2025 View ↗ PDF P-Published Noise Assessment P-Published Noise Assessment · 24 Jul 2025 View ↗ PDF Fire Statement Not Required.pdf P-Published Fire Safety · 11 Jun 2025 View ↗

Plans & drawings 2

PDF P-Location Plan P-Location Plan · 24 Jul 2025 View ↗ PDF P-All in one Plans Proposed P-All in one Plans Proposed · 24 Jul 2025 View ↗

Application forms 1

PDF P-Planning Application Form P-Planning Application Form · 24 Jul 2025 View ↗

Other documents 4

PDF P-Supporting Information P-Supporting Information · 24 Jul 2025 View ↗ PDF P-Supporting Information P-Supporting Information · 24 Jul 2025 View ↗ PDF P-Supporting Information P-Supporting Information · 24 Jul 2025 View ↗ PDF P-Existing Block P-Existing Block · 24 Jul 2025 View ↗

All documents on the council site ↗

Site constraints 7

Article 4 direction
Change of use or development that would result in new dwellings (Class MA/ZA). Named permitted development rights are withdrawn here.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: Hounslow 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 ↗
Local nature reserve 141 m away: Gunnersbury Triangle
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
National infrastructure project 1287 m away: Thames Tideway Tunnel; Conservation area 53 m away: Thorney Hedge; Inside the Hounslow built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 16 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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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Important details

Council
Hounslow
Application type
PF-Full Applications
Postcode
W4 5BE
Received
8 Apr 2025
Validated
7 Aug 2025
Ward
Chiswick Gunnersbury
Case officer
Show
Decision
APPROVED
Decision date
10 Nov 2025
Applicant
Show
Leaseholder
Show

How this decision compares

Decided in 95 days from validation, 39 days slower than Hounslow's median of 56 for full applications. Approved, as 69% of full applications here are.

53%decided within 8 weeks
69%approved
398decided in the last year

Plota live figures for full applications decided by Hounslow in the last twelve months, from validation. Hounslow decision record →

Consultation & key dates

Consultation
22 Aug 2025
Comments by
19 Sept 2025
Site or press notice
29 Aug 2025
Statutory expiry
2 Oct 2025

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
Building 12, Chiswick Business Park, 566 Chiswick High Road, Chiswick, London, W4 5AN
Installation of a enclosed backup generator within the undercroft of the existing buildin…
P/2025/3186
2025 Approved
Building 2, Chiswick Park, 566 Chiswick High Road, Chiswick, London, W4 5YA
Installation of plant equipment with associated power cabling and replacement of existing…
P/2025/2430
2025 Refused
Area of Land to the rear of 594 Chiswick High Road,Chiswick,London,W4 5RP
Works to a tree within TPO 594 - 1 X T1 Sycamore to fell
P/2025/0620
2025 Approved
2 A Silver Crescent,Chiswick,W4 5SE
Works to tree in a Conservation Area, 1 X Oak tree prune branches reducing the crown of t…
P/2025/1133
2024 Approved
566 Chiswick Park, Building 12, Chiswick High Road, Chiswick, London, W4 5AN
Installation of new plant equipment and other associated works on the roof of building 12.
P/2024/4280
2024 Approved
566 Chiswick Park, Building 12,Chiswick High Road,Chiswick,London,Hounslow,W4 5AN
Installation of replacement mechanical plant with associated pipework and cabling to the…
P/2024/2530
2024 Approved
1 John Bull Place,Chiswick High Road,Chiswick,London,Hounslow,W4 5GW
Erection of a two storey side extension
P/2024/1680
2024 Refused
1-4 JOHN BULL PLACE CHISWICK HIGH ROAD, CHISWICK, W4 5GW
Erection of roof extensions including increase in height to allow for the creation of two…
P/2024/0660
2023 Refused
1-4 JOHN BULL PLACE CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5GW
Erection of roof extensions including increase in height to allow for the creation of add…
P/2023/2818
2023 Refused
2A SILVER CRESCENT, CHISWICK, W4 5SE
Formation of a vehicular access on the public pathway.
P/2023/2978
2022 Approved
578-586 CHISWICK HIGH ROAD, CHISWICK, W4 5RP
Retrospective application the installation of ten air conditioning condenser units to the…
P/2022/3853
2022 Approved
THE GUNNERSBURY 590 CHISWICK HIGH ROAD, CHISWICK, W4 5RP
Erection of a mansard roof over the rear extension to create one self-contained flat (Cla…
P/2022/2820
2022 Refused
FLAT GROUND FLOOR 4 SILVER CRESCENT, CHISWICK, LONDON, W4 5SE
Erecton of a single storey wrap around ground floor rear extension to include bifolding d…
P/2022/0211
2021 Approved
CHISWICK PARK BUILDING 2 566 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5YB
Erection of a single storey front extension to the substation enclosure
P/2021/4580
2021 Approved
BUILDING 12 566, CHISWICK PARK CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5AN
Change of use of ground and part of first floors of Unit 12 on Chiswick Park from offices…
P/2021/2732
2021 Approved
CHISWICK PARK 566 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5YA
Use of existing car parking at Chiswick Business Park for attendees of the Brentford Comm…
P/2021/0205
2021 Approved
2A SILVER CRESCENT, CHISWICK, LONDON, W4 5SE
Erection of a single storey rear/side and infill extension to the ground floor flat
P/2021/2500
2021 Approved
THE GUNNERSBURY 590 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5RP
Variation of condition 2 (approved plans) to allow alterations to approved plans followin…
P/2021/1365
2020 Approved
590 THE GUNNERSBURY CHISWICK HIGH ROAD, CHISWICK, W4 5RP
Variation of Condition 2 (approved plans) to allow changes to the front (southern) elevat…
P/2020/3346
2020 Approved
1 JOHN BULL PLACE CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 5GW
Erection of two storey side extension to the house.
P/2020/2923
2016 Refused
GROUND FLOOR FLAT 6 SILVER CRESCENT CHISWICK LONDON W4 5SE
Erection of a single storey side infill extension to the ground floor flat
P/2016/3056
2016 Approved
BUILDING 2 566 CHISWICK PARK CHISWICK HIGH ROAD CHISWICK LONDON W4 5YB
Installation of automated sliding gates, security hut, security fencing and four fold-dow…
P/2016/3954
2016 Refused
18 SILVER CRESCENT CHISWICK LONDON W4 5SE
Erection of a single storey rear extension and a rear roof extension to the house
P/2016/2044
2016 Withdrawn
GROUND FLOOR FLAT 6 SILVER CRESCENT CHISWICK LONDON
Erection of a single storey side infill extension to the ground floor flat
P/2016/2131
2016
6 SILVER CRESCENT CHISWICK LONDON
Erection of a single storey side infill extension and enlarged conservatory to the ground…
P/2016/2617
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.

One of the strictest councils
only 75% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hounslow decision statistics
Based on MHCLG data, the year to March 2026
71%
Overall approval rate
Below avg (87%) #294 of 296
75%
Householder approved
Below avg (90%) #293 of 296
56%
Decided in 8 weeks
Below avg (63%) #203 of 296
47%
Extended time limit
Above avg (41%) #208 of 296
38%
Minor dwellings approved
82 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
29%
Change of use approved
72 decided
1,191
Total decisions
340 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.