21 Chiswick High Road,Chiswick,W4 2ND Data via plota.co.uk

P/2026/2667 - Details pursuant to a planning condition REGISTERED: Under Assessment
Admin / procedural

Proposal

Details of Condition 3 (samples of all materials) submitted pursuant to permission P/2026/0933 dated 24/07/2026 for Erection of single-storey and part three-storey rear extensions with terrace, rear roof extension and outbuilding in rear garden for garage and home office. Internal alterations for removal of modern stair insertions, retention of historic circulation hierarchy, and repair of surviving fabric. External alterations to the facade including reinstatement of decorative pilasters, and refurbishment of brickwork, windows and front vault to create store. Front roof extension, reinstatement of the ground floor lightwell and basement windows to front elevation and associated works to forecourt, with soft landscaping. erection of front wall with metal railings and gate. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Sept 2026
Decision
Expected by 16 Nov 2026

This application is under consideration - no decision has been issued yet. A decision is expected by 16 Nov 2026.

Documents 4

Statements & assessments 2

PDF 21 CHR Flood Risk.pdf P-Proposed Other · 21 Sept 2026 View ↗ PDF 21 CHR Cond 3 Discharge Pack FF.docx P-Statement Other · 21 Sept 2026 View ↗

Plans & drawings 1

PDF 21 CHR revised window details.pdf P-All in one Plans Proposed · 21 Sept 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 21 Sept 2026 View ↗

All documents on the council site ↗

Associated applications 3

Site constraints 8

Grade II listed: 21, Chiswick High Road W4
List entry 1189230 · 2 m away · 6 more listed buildings within 150 m (6 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 6 with distances
Historic England ↗
Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Article 4 direction
Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction. 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 ↗
Also on the record
Heritage at risk 1 m away: 21, Chiswick High Road; Registered park or garden 143 m away: St Peter's Square; Conservation area 67 m away: St. Peter's Square; Inside the Hounslow built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 23 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.

Sales history 2

Last sold for £2,240,000 in April 2015. Other property, freehold.

More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.

24 April 2015£2,240,000Recorded as a transfer outside a standard sale
2 June 2004£239,000Semi-detached house

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Other new applications on this street

29 Sept 2026Pending

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Important details

Council
Hounslow
Application type
Details pursuant to a planning condition
Postcode
W4 2ND
Received
21 Sept 2026
Validated
21 Sept 2026
Ward
Chiswick Homefields
Case officer
Show
Applicant
Show
Freehold owner
Show

Consultation & key dates

Consultation
21 Sept 2026
Statutory expiry
16 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
5 Chiswick High Road, Chiswick, W4 2ND
Retrospective application for various works to the house: Single storey rear infill exten…
P/2025/3285
2025 Approved
5 Chiswick High Road, Chiswick, W4 2ND
Listed building consent for retrospective application for various works to the house: Ins…
P/2025/3331
2025 Approved
21 Chiswick High Road, Chiswick, London, W4 2ND
Application to regularise of the use of the property as a single family dwelling
P/2025/1690
2025 Withdrawn
21 Chiswick High Road, Chiswick, London, W4 2ND
Listed building consent for the regularisation of the use of the property as a single fam…
P/2025/1699
2024 Approved
Bus Shelter, Outside Prebend Mansions, Chiswick High Road, Chiswick, London, W4 2LU
Installation of an internally illuminated sequential advertisement capable of static and…
P/2024/4322
2024 Refused
30A Chiswick High Road, Chiswick, London, W4 1TE
Change of use from the existing retail unit into 1x self contained flat with associated p…
P/2024/3373
2024 Withdrawn
12 Chiswick High Road, Chiswick, London, W4 1TH
To replace the existing sign board with externally illuminated facia sign and projecting…
P/2024/3617
2024 Approved
PREBEND MANSIONS FLAT 33A CHISWICK HIGH ROAD, CHISWICK, W4 2LU
Replacement of the mansion block's existing central ground floor rear sash bay window wit…
P/2024/1242
2024 Approved
40 CHISWICK HIGH ROAD, CHISWICK, W4 1TE
Installation of a external multifunctional communication hub consisting of defibrillator…
P/2024/0643
2024 Approved
40 CHISWICK HIGH ROAD, CHISWICK, W4 1TE
Installation of a external multifunctional communication hub consisting of defibrillator…
P/2024/0570
2024 Withdrawn
3 British Grove, Chiswick, London, W4 2NL
Erection of a single storey rear extension following demolition of existing outbuilding a…
P/2024/1442
2024 Approved
5 CHISWICK HIGH ROAD, CHISWICK, LONDON
Listed building consent for retrospective permission for internal alterations to the base…
P/2024/0476
2024 Approved
5 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 2ND
Retrospective permission for internal alterations to the basement, ground, second and thi…
P/2024/0464
2024 Approved
15 NETHERAVON ROAD, CHISWICK, W4 2NA
Erection of a single storey part side and rear extension following the demolition of the…
P/2024/0440
2023 Approved
11-13 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 2ND
Change of use for flexible Use Class E (d,e,f) and F1 (a) of existing ground floor from c…
P/2023/3981
2023 Approved
11-13 CHISWICK HIGH ROAD, CHISWICK, W4 2ND
Change of use for flexible Use Class E (d,e,f) and F1 (a) of existing ground floor from c…
P/2023/3963
2023 Approved
PREBEND MANSIONS CHISWICK HIGH ROAD, CHISWICK, W4 2LU
Partial demolition of the existing boundary wall, in order to form a larger opening for t…
P/2023/3739
2023 Approved
11A NETHERAVON ROAD, CHISWICK, W4 2NA
Erection of a front roof dormer extension, rear roof dormer and second floor rear outrigg…
P/2023/3279
2023 Refused
5 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 2ND
Listed building consent for retrospective permission for railings and staircase to the fr…
P/2023/3436
2023 Refused
5 CHISWICK HIGH ROAD, CHISWICK, LONDON, W4 2ND
Retrospective permission for railings and staircase to the front light well, internal alt…
P/2023/3422
2016 Refused
21 CHISWICK HIGH ROAD CHISWICK LONDON W4 2ND
Erection of a single storey rear extension with enlargement of the existing basement, ere…
P/2016/2196
2016 Approved
22A CHISWICK HIGH ROAD CHISWICK LONDON W4 1TE
Continued use of the premises as Class D1, erection of a glazed side infill extension to…
P/2016/1700
2016 Refused
5 CHISWICK HIGH ROAD CHISWICK LONDON W4 2ND
Erection of a rear extension at basement and ground floor levels and erection of a rear l…
P/2016/0400
2016 Refused
5 CHISWICK HIGH ROAD CHISWICK LONDON W4 2ND
Listed building consent for the erection of a rear extension at basement and ground floor…
P/2016/0624
2016 Withdrawn
40 CHISWICK HIGH ROAD CHISWICK LONDON W4 1TE
Continued use of a non illuminated hanging sign on the side elevation of the building
P/2016/1199
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Freehold owner: 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.