Chiswick House Estate Office, Chiswick House, Chiswick, London, W4 2QN Data via plota.co.uk

P/2026/0029 - Non-Material Minor Amendment to an existing Planning Application Approved
Admin / procedural

Proposal

Non Material Amendment to allow changes to the cladding specification and arrangement for Phase 1B, changes to the cladding specification for Phase 2A and changes to the roof covering specification for Phase 2A of planning permission approved 06/06/2024 for the demolition of an existing shed, oil tank and part of the existing wall for a new learning hub. Erection of a new building as the volunteer base. Creation of new Fruit Garden, erection of a storage shed with hardstanding, alteration of part of the brick walls with new accesses to the Fruit Garden and Kitchen Garden. Erection of a new canopy for the Stables and its change of use to Artist Studios, installation of new signage, reconfiguration of the staff car park, and internal works to buildings including new roof insulation, heating and power. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Jan 2026
✓
Approved
4 Feb 2026

Approved on 4 Feb 2026 · Last checked 20 Sept 2026

Documents 3

Decision & officer reports 1

PDF P-Decision Notice P-Decision Notice · 4 Feb 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 7 Jan 2026 View ↗

Other documents 1

PDF CY_Non-Material Amendment.pdf P-Supporting Information · 7 Jan 2026 View ↗

All documents on the council site ↗

Associated applications 3

Site constraints 10

Grade I listed: Chiswick House Conservatory
List entry 1079611 · 5 m away · 5 more listed buildings within 150 m (3 Grade I, 2 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 5 with distances
Historic England ↗
Metropolitan Open Land
Green belt level protection inside London.
The London Plan gives Metropolitan Open Land the same protection as green belt: inappropriate development needs very special circumstances.
Registered park or garden: Chiswick House
Nationally designated heritage. Its significance and setting carry great weight.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Chiswick House conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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 ↗
Scheduled monument 115 m away: Chiswick House
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Habitat network: Wood pasture and parkland
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Hounslow built-up area; Priority habitat 38 m away: Traditional orchard.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 20 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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15 Sept 2026Pending

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Important details

Council
Hounslow
Application type
Non-Material Minor Amendment to an existing Planning Application
Postcode
W4 2QN
Received
7 Jan 2026
Validated
7 Jan 2026
Ward
Chiswick Homefields
Case officer
Show
Decision
NMA APPROVED
Decision date
4 Feb 2026
Applicant
Show

Consultation & key dates

Consultation
7 Jan 2026
Statutory expiry
4 Feb 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
27 SUTHERLAND ROAD, LONDON, W4 2QR
Works to tree in a conservation area: Rear garden T1 Chusan Palm x 1 (Trachycarpus fortun…
P/2024/1358
2021 Refused
JUNCTION AT ELLESMERE ROAD/DUKES AVENUE, CHISWICK, W4 4QG
Prior approval notification for erection of a 20m high 5G pole and three associated equip…
PA/2021/4677
2021 Refused
98 DUKES AVENUE, CHISWICK, LONDON, W4 2AF
Erection of a single storey rear extension.
P/2021/1796
2021 Approved
98 DUKES AVENUE, CHISWICK, W4 2AF
Ground floor rear extension 4.60 metres deep, maximum height of 3 metres, 3 metres high t…
PA/2021/1182
2019 Approved
CONCORD COURT PALLADIAN GARDENS, CHISWICK, W4 2ER
Details of Condition 9 (Contamination Assessment) submitted pursuant of planning permissi…
P/2019/2539
2017 Approved
THE GATEHOUSE HOGARTH LANE CHISWICK LONDON W4 2QN
Work to a tree located within a conservation area T1- Lime: Reduce by approximately 6-8m…
P/2017/4480
2017 Approved
23 SUTHERLAND ROAD LONDON W4 2QR
Erection of a rear roof extension with two roof windows to front elevation
P/2017/0015
2016 Approved
2 GROVE COTTAGES SUTHERLAND ROAD CHISWICK LONDON W4 2QS
Erection of a rear roof extension with roof window to front elevation
P/2016/0515
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Change of use

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