3 Addison Grove,Chiswick,London,W4 1EP Data via plota.co.uk

P/2025/2809 - Householder Applications Approved

Proposal

Erection of single storey detached outbuilding for use as garden room in the rear garden Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
18 Sept 2025
✓
Approved
10 Feb 2026

Approved on 10 Feb 2026 · Last checked 13 Oct 2026

Documents 11

Decision & officer reports 2

PDF DECTP2 P-Decision Notice · 10 Feb 2026 View ↗ PDF P-Delegated Report P-Delegated Report · 9 Feb 2026 View ↗

Statements & assessments 2

PDF P-Design and Access Statement P-Design and Access Statement · 9 Feb 2026 View ↗ PDF 3 Addison Grove Arboricultural Impact Assessment Garden Room.pdf P-Tree survey · 18 Sept 2025 View ↗

Plans & drawings 6

PDF Updated P-All in one Plans Proposed · 9 Feb 2026 View ↗ PDF Updated P-All in one Plans Proposed · 27 Jan 2026 View ↗ PDF 3 Addison Grove Location-Plan.pdf P-Location Plan · 18 Sept 2025 View ↗ PDF 3 Addison Grove Elevations and Floorplans of Garden Room final 160925.pdf P-Rejected Plans · 18 Sept 2025 View ↗ PDF 3 Addison Grove Garden room block plan.pdf P-Proposed Site · 18 Sept 2025 View ↗ PDF 3 Addison Grove PHDAS june 25.pdf P-Rejected Plans · 18 Sept 2025 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 18 Sept 2025 View ↗

All documents on the council site ↗

Site constraints 10

Grade II listed: 3, Addison Grove W4
List entry 1079614 · 2 m away · 52 more listed buildings within 150 m (52 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 52 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 ↗
Bedford Park conservation area
Also Bedford Park (article 4). 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.
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.
National infrastructure project: Thames Tideway Tunnel
The site is inside the project boundary. Waste water treatment, decided. The project page says whether consent was granted.
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
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 ↗
Habitat network: Network Enhancement Zone 2
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; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

Checked on 2 November 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.

Sales history 1

Last sold for £720,000 in April 1997. Detached house, freehold.

30 April 1997£720,000

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

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16 Jul 2026Approved

9 Addison Grove,Chiswick,W4 1EP

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Important details

Council
Hounslow
Application type
Householder Applications
Postcode
W4 1EP
Received
18 Sept 2025
Validated
18 Sept 2025
Ward
Chiswick Homefields
Case officer
Show
Decision
APPROVED
Decision date
10 Feb 2026
Applicant
Show

How this decision compares

Decided in 145 days from validation, 89 days slower than Hounslow's median of 56 for householder applications. Approved, as 81% of householder applications here are.

62%decided within 8 weeks
81%approved
724decided in the last year

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

Consultation & key dates

Consultation
22 Sept 2025
Comments by
17 Oct 2025
Site or press notice
26 Sept 2025
Statutory expiry
13 Nov 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
10 Addison Grove, Chiswick, London, W4 1ER
Erection of a single storey side extension, installation of a bin store in the front gard…
P/2025/3626
2025 Approved
10 Addison Grove, Chiswick, London, W4 1ER
Listed building consent for the erection of a single storey side extension, installation…
P/2025/3676
2025 Refused
37 Bath Road, Chiswick, London, W4 1LJ
Erection of new boundary walls to the Bath Road and Abinger Road boundaries.
P/2025/3778
2025 Approved
31 Fairfax Road, Chiswick, London, W4 1EN
Reinstatement of front elevation bay window and front dormer tiles. Replacement of front…
P/2025/3691
2025
37 Bath Road, Chiswick, London, W4 1LJ
Listed building consent for erection of new boundary walls to the Bath Road and Abinger R…
P/2026/1042
2025 Approved
7 Abinger Road, Chiswick, London, W4 1EY
Bay (T5) reduce overhanging branches by approximately 2 metres back to the property bound…
P/2025/3016
2025 Approved
31 Fairfax Road, Chiswick, London, W4 1EN
Alterations and enlargement to the rear dormer window of the house
P/2025/2705
2025 Refused
15 Abinger Road, Chiswick, London, W4 1EY
Enlargement of existing cellar to a single storey basement incorporating a front lightwel…
P/2025/2481
2025 Approved
9 Abinger Road, Chiswick, London, W4 1EY
Works to tree within a conservation area: Cherry (T2 and part of G3). Reduce height by ap…
P/2025/3003
2025 Approved
35 Fairfax Road, Chiswick, London, W4 1EN
Replacement of existing front garden wall and replacement of front windows to the house.
P/2025/2533
2025 Approved
15 Abinger Road, Chiswick, London, W4 1EY
Erection of a single storey side and rear extension, replacement and enlargement of exist…
P/2025/2412
2025 Approved
25 Bath Road, Chiswick, London, W4 1LJ
Maintenance works to the front of a Grade 2 Listed single family dwelling. Cement pointin…
P/2025/0865
2025 Approved
25 Bath Road, Chiswick, London, W4 1LJ
Listed Building Consent for maintenance works to the front of a Grade 2 Listed single fam…
P/2025/0969
2024 Approved
33 Bath Road, Chiswick, London, W4 1LJ
Retrospective application for listed building consent for the replacement of the lead mat…
P/2024/3741
2024 Approved
33 Bath Road, Chiswick, London, W4 1LJ
Retrospective application for the replacement of the roof covering lead to felt on the re…
P/2024/3861
2024 Approved
37 Bath Road, Chiswick, London, W4 1LJ
Erection of a single storey rear extension, a detached outbuilding in the rear garden inc…
P/2024/3234
2024 Approved
37 Bath Road, Chiswick, London, W4 1LJ
Listed Building Consent to erection of a single storey rear extension, a detached outbuil…
P/2024/3276
2024 Approved
24 Addison Grove, Chiswick, London, W4 1ER
Works To trees within TPO 635: Silver birch x3 to fell in front garden and replace with n…
P/2024/3771
2024 Approved
23 Fairfax Road,Chiswick,W4 1EN
Works to tree in a Conservation Area - T1 Yew Common x 2 (Taxus baccata) fell to ground l…
P/2024/3374
2024 Approved
14 Fairfax Road, Chiswick, London, W4 1EW
Proposed enlargement of existing cellar to a single storey basement and excavation of a c…
P/2024/2956
2017 Approved
26 ABINGER ROAD CHISWICK W4 1EL
Installation of a replacement fence and gate along the front and side of the house
P/2017/2371
2017 Approved
43 Bath Road London W4 1LJ
Removal of a tree of Heaven in a conservation area.
2017/02416/OBS
2016 Withdrawn
26 Abinger Road Chiswick London W4 1EL
Erection of single storey extension to rear and reconstruction of two storey rear wing el…
162435CONS
2017 Approved
13 ADDISON GROVE CHISWICK LONDON W4 1EP
Replacement of the existing close-board fence that currently runs around the perimeter of…
P/2017/1053
2017 Approved
13 ADDISON GROVE CHISWICK LONDON W4 1EP
Replacement of the existing close-board fence that currently runs around the perimeter of…
P/2017/1038
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