13 Walpole Gardens, Chiswick, London, W4 4HG Data via plota.co.uk

P/2025/2739 - Householder Applications Approved

Proposal

Enlargement of existing rear roof extension and replacement of existing UPVC and timber framed windows for hardwood sash windows of the house Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Sept 2025
✓
Validated
2 Oct 2025
✓
Approved
2 Dec 2025

Approved on 2 Dec 2025 · Last checked 11 Oct 2026

Documents 9

Decision & officer reports 2

PDF DECTP2 P-Decision Notice · 2 Dec 2025 View ↗ PDF P-Delegated Report P-Delegated Report · 25 Nov 2025 View ↗

Statements & assessments 1

PDF Design Statement Walpole Gardens.pdf P-Design and Access Statement · 10 Sept 2025 View ↗

Plans & drawings 2

PDF P-All in one Plans Proposed P-All in one Plans Proposed · 19 Sept 2025 View ↗ PDF LocationPlan.pdf P-Location Plan · 10 Sept 2025 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 10 Sept 2025 View ↗

Other documents 3

PDF P-Published Fire Safety P-Published Fire Safety · 2 Oct 2025 View ↗ PDF P-Published Fire Safety P-Published Fire Safety · 2 Oct 2025 View ↗ PDF window details P-Supporting Information · 2 Oct 2025 View ↗

All documents on the council site ↗

Site constraints 8

Turnham Green conservation area
Also Turnham Green. 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 Named permitted development rights are withdrawn here.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.
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 ↗
Local nature reserve 245 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.
National infrastructure project 1058 m away: Thames Tideway Tunnel
The site is 1058 m from 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 ↗
Also on the record
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 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 2

Last sold for £3,250,000 in February 2025. Detached house, freehold.

14 February 2025£3,250,000
30 September 2009£2,100,000

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

Building

Floor area285 m² (3,068 sq ft)
Energy ratingD (55 out of 100), could reach C
PropertyDetached house, 8 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2019, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

26 Oct 2026Pending

Flat A, 8 Walpole Gardens, Chiswick, London, W4 4HG

Works to trees in a Conservation Area 1 X T1 Lime fell to ground level and poiso...

P/2026/3020
29 Jul 2026Approved

3 Walpole Gardens,Chiswick,W4 4HG

Works to trees in a conservation area ; T1 Pear to reduce crown to the most rece...

P/2026/2205

Nearby new applications

4 Nov 2026Pending

Magnolias,1 Eastbourne Road, Chiswick, London, W4 3EB

Works to tree in a Conservation Area 1 X T1 Pear crown lift any remaining low gr...

P/2026/3108
4 Nov 2026Pending

50 Barrowgate Road,Chiswick,London,W4 4QY

Creation of vehicular access, including an opening in the existing front boundar...

P/2026/3083
4 Nov 2026Pending

7 Grosvenor Court,Grosvenor Road,Chiswick,London,W4 4EF

The replacement of the existing timber windows with white uPVC double glazed win...

P/2026/3072
4 Nov 2026Pending

14 Grange Road,Chiswick,W4 4DA

Certificate of lawfulness for the proposed erection of a detached outbuilding in...

P/2026/3098
4 Nov 2026Pending

3 Arlington Gardens, Chiswick, London, W4 4EZ

Works to Yew (T1) in front garden within a conservation area. - Cut back to bou...

P/2026/3117
28 Oct 2026Pending

7 Alwyn Avenue,Chiswick,W4 4PA

(GS887231441) Removal of chimney stack and replacement of windows on rear dormer...

P/2026/3051

Important details

Council
Hounslow
Application type
Householder Applications
Postcode
W4 4HG
Received
10 Sept 2025
Validated
2 Oct 2025
Ward
Chiswick Gunnersbury
Case officer
Show
Decision
APPROVED
Decision date
2 Dec 2025
Applicant
Show

How this decision compares

Decided in 61 days from validation, 5 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
3 Oct 2025
Comments by
31 Oct 2025
Site or press notice
10 Oct 2025
Statutory expiry
27 Nov 2025

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Details of Condition 8- Construction Method Statement submitted pursuant to planning perm…
P/2025/1891
2025 Approved
Erection of a single storey rear extension and a detached outbuilding in the rear garden…
P/2025/0496
Within ~100m

Nearby activity

2025 Approved
16 Walpole Gardens, Chiswick, London, W4 4HG
Works to tree in a conservation area. G1 Silver Birch (Betula pendula) x 2. Crown reduce…
P/2025/3806
2025 Approved
Belgrave Court Wellesley Road Chiswick London Hounslow W4 4LG
Works to trees within a conservation area. T018. Crab Apple. Fell to ground level. T020…
P/2025/3548
2025 Approved
Chiswick Fire Station, 2-4 Heathfield Gardens, Chiswick, London, W4 4JY
Works to trees within a conservation area. White Poplar x 2, northwest boundary with Sutt…
P/2025/3122
2025 Approved
6 Walpole Gardens, Chiswick, London, W4 4HG
Works to five trees at rear of site in a Conservation Area. G1 four Holm Oak reduce heigh…
P/2025/1533
2025 Withdrawn
Lane House Sutton Lane North, Chiswick, London, W4 4HF
Works to tree in a Conservation Area - 1 X Sycamore tree reduce by 7m
P/2025/1659
2025 Approved
12 Arlington Gardens, Chiswick W4 4EY
Work to T1 (Sycamore tree) within TPO 578. Reduce the crown by 2 metres to the previous p…
P/2025/0765
2025 Approved
10 Arlington Gardens, Chiswick W4 4EY
Works to a tree within a Conservation Area: Pear (T1) - Re-pollard by approximately one m…
P/2025/0766
2025 Approved
22 Arlington Gardens,Chiswick,London,W4 4EY
Works to a tree in a Conservation Area: Lime (T2) - Re-pollard to previous reduction poin…
P/2025/0333
2024 Approved
2-4 Chiswick Fire Station,Heathfield Gardens,Chiswick,W4 4JY
Works to trees in a Conservation Area - 2 X T002 White Poplar cut back growth to footpath…
P/2024/4369
2023 Approved
28 ARLINGTON GARDENS, CHISWICK, LONDON, W4 4EY
Installation of two cycle stands on the front driveway following the removal of the exist…
P/2023/2914
2024 Approved
2 Walpole Gardens, Chiswick, W4 4HG
Works to tree in Conservation Arera - T1 Lime reduce all aspects of the crown back to pre…
P/2024/3468
2024 Approved
Chiswick Fire Station,Wellesley Road,Grove Park,London,W4 4HA
Works to four trees on site in a conservation area. T1 Sycamore reduce height and side pr…
P/2024/2374
2024 Approved
24 Arlington Gardens, Chiswick, London, W4 4EY
Removal of the rear chimney stub, installation of a centred larger window on the third st…
P/2024/1878
2024 Approved
6 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JY
Enlargement to the basement floor and the installation of a front and rear lightwell
P/2024/0028
2023 Withdrawn
5 WALPOLE GARDENS, CHISWICK, LONDON, W4 4HG
Works to a tree within TPO 235 Bay (T2) to tidy and contain to reduce in height by approx…
P/2023/3702
2024 Approved
5 WALPOLE GARDENS, CHISWICK, LONDON, W4 4HG
Works to Bay Laurel tree in rear garden within tree preservation Order 235. Reduce in hei…
P/2024/0123
2024 Approved
5 WALPOLE GARDENS, CHISWICK, LONDON, W4 4HG
Works to two trees on site in a conservation area. T1 Magnolia in rear reduce and reshape…
P/2024/0125
2023 Approved
CHISWICK FIRE STATION 2-4 HEATHFIELD GARDENS, CHISWICK, LONDON, W4 4JY
Works to seven trees on site within a conservation area. T6 Silver Maple cut back from pr…
P/2023/3994
2023 Approved
5 WALPOLE GARDENS, CHISWICK, LONDON, W4 4HG
Works to three trees on site in a conservation area. T1 Magnolia in rear reduce and resha…
P/2023/3703
2023 Approved
ELLERSLIE HOUSE SUTTON LANE NORTH, CHISWICK, W4 4HF
Replacement of existing cement roof tiles with proposed fibre cement slates
P/2023/2093
2016 Approved
12-13 HEATHFIELD TERRACE CHISWICK LONDON W4 4JE
Listed building consent for the change of use of property from B1 office to C3 residentia…
P/2016/1364
2016 Approved
12-13 HEATHFIELD TERRACE CHISWICK LONDON W4 4JE
Variation of condition 2 (approved plans) of planning permission 00590/12-13/P2 dated 19/…
P/2016/1357
2016 Approved
10 ARLINGTON GARDENS CHISWICK LONDON W4 4EY
Erection of a replacement first floor rear extension to the house
P/2016/1066
2016 Approved
12 ARLINGTON GARDENS CHISWICK LONDON W4 4EY
Works to tree within a conservation area T1-Sycamore -crown reduce to previous points of…
P/2016/1375
2016 Approved
2 WALPOLE GARDENS CHISWICK LONDON W4 4HG
Reduce back to the previous points of reduction, retain shortened furnishing growth for c…
P/2016/1158
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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.