66 E Waldeck Road,Chiswick,London,W4 3NU Data via plota.co.uk

P/2026/1243 - Lawful Development Certificate (Proposed) Refused
Extensions & alterations

Proposal

Certificate of lawfulness for the proposed erection of a single storey rear extension and a front porch extension to the house. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
23 Apr 2026
✗
Refused
17 Jun 2026
Appeal
Not lodged

Refused on 17 Jun 2026 · Last checked 19 Sept 2026

Documents 8

Decision & officer reports 2

PDF DECCERTR P-Decision Notice · 17 Jun 2026 View ↗ PDF Delegated Report P-Delegated Report · 9 Jun 2026 View ↗

Plans & drawings 5

PDF LocationPlan.pdf P-Location Plan · 23 Apr 2026 View ↗ PDF Exis ground and roof plans P-Existing Plans · 23 Apr 2026 View ↗ PDF 66E Waldeck Road - existing elevations.pdf P-Existing Elevation · 23 Apr 2026 View ↗ PDF Prop ground and roof plans P-Proposed Plans · 23 Apr 2026 View ↗ PDF 66E Waldeck Road - proposed elevations.pdf P-Proposed Elevation · 23 Apr 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf P-Planning Application Form · 23 Apr 2026 View ↗

All documents on the council site ↗

Site constraints 5

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 Named permitted development rights are withdrawn here.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 ↗
Conservation area 12 m away: Strand on the Green
The edge of the area; work outside it can still affect its setting.
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.
Also on the record
Inside the Hounslow built-up area.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

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.

Sales history 1

Last sold for £575,000 in April 2018. Terraced house, freehold.

6 April 2018£575,000

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

27 May 2026Approved

66 A Waldeck Road, Chiswick, London, W4 3NU

Details of Condition 4 (a) (Sustainable Materials) and Condition 5 (Water consum...

P/2026/1585
26 Aug 2026Pending

22 Waldeck Road, Chiswick, London, W4 3NP

Erection of rear roof extension with two front roof windows to the house.

P/2026/2450
3 Aug 2026Approved

30 Waldeck Road,Chiswick,W4 3NP

Erection of a rear roof extension with two front roof windows and rear juliet ba...

P/2026/2252
27 Jul 2026Approved

29 Waldeck Road,Chiswick,W4 3NL

Erection of a combined cycle and refuse storage structure at the front boundary....

P/2026/2170

Nearby new applications

28 Sept 2026Pending

6, Bushwood Road, Kew, Richmond, TW9 3BQ

Proposed Heat Pump unit to sit outside on above the kitchen on a rear extension ...

PA26/3115
29 Sept 2026Pending

1 Riverview Grove, Chiswick, London W4 3QL

Works to Cherry tree within TPO 22 (T29). Fell in sections to ground level.

P/2026/2762
24 Aug 2026Pending

2 Grove Park Terrace,Chiswick,W4 3QG

Works to trees in a conservation area ;T1-Canary Island Date Palm(Phoenix canari...

P/2026/2422
28 Sept 2026

36, Bushwood Road, Kew, Richmond, TW9 3BQ

Silver Birch in rear garden Reduce overall by 1m

PA26/3312
10 Sept 2026Pending

36, Bushwood Road, Kew, Richmond, TW9 3BQ

Silver Birch in rear garden Reduce overall by 1m

PA26/3269
9 Sept 2026Pending

47 Riverview Grove,Chiswick,W4 3QL

Enlargement of the rear roof dormer extension with two front roof windows to the...

P/2026/2567

Important details

Council
Hounslow
Application type
Lawful Development Certificate (Proposed)
Postcode
W4 3NU
Received
23 Apr 2026
Validated
23 Apr 2026
Ward
Chiswick Riverside
Case officer
Show
Decision
LAWFNOTGRANT
Decision date
17 Jun 2026
Applicant
Show

How this decision compares

Decided in 55 days from validation, about the council's usual 54 days. Refused, as 19% of extensions here are.

78%decided within 8 weeks
81%approved
919decided in the last year

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

Public comments

No public comments yet.

Read the comments on the council site ↗

Consultation & key dates

Consultation
23 Apr 2026
Statutory expiry
18 Jun 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
28 Pyrmont Road, Chiswick, London, W4 3NR
Works to a tree in a Conservation Area: Silver Birch - Crown reduction by a height and di…
P/2025/1575
2024 Approved
62 Waldeck Road, Chiswick, London, W4 3NU
Erection of a rear roof dormer extension and installation of two front roof lights to the…
P/2024/3499
2023 Approved
1B OXFORD GARDENS, CHISWICK, LONDON, W4 3BN
Erection of a two metre high garden fence to enclose the adjacent land to create a garden…
P/2023/2593
2022 Approved
33 WALDECK ROAD, CHISWICK, LONDON, W4 3NL
Erection of a single storey rear extension and rear roof extension with two front and two…
P/2022/2945
2022 Approved
76 WALDECK ROAD, CHISWICK, W4 3NU
Provision of a replacement rear door to the house, replacement of the existing rear door…
P/2022/1513
2022 Approved
40 PYRMONT ROAD, CHISWICK, LONDON, W4 3NR
Works to T1 Bay tree in rear garden in conservation area. Reduce height by 1.5m. Hard tri…
P/2022/2922
2021 Approved
58A WALDECK ROAD, CHISWICK, W4 3NP
Change of use from offices to five dwelings,erection of a roof extension with front roof…
P/2021/4479
2021 Approved
68 WALDECK ROAD, CHISWICK, W4 3NU
Erection of a second floor rear extension and the creation of a roof terrace to the exist…
P/2021/3231
2020 Approved
66A WALDECK ROAD, CHISWICK, LONDON, W4 3NU
Demolition of an existing buildings and the erection of a three storey block of five flat…
P/2020/1721
2021 Approved
56 WALDECK ROAD, CHISWICK, LONDON, W4 3NP
Variation of Condition 2 (Drawing Plans) to remove pitched roof on rear extension followi…
P/2021/1825
2021 Approved
17 BROOKS ROAD, CHISWICK, LONDON, W4 3BL
Works to tree in rear garden in Conservation Area. Reduce all round by approximately two…
P/2021/2086
2021 Approved
58A WALDECK ROAD, CHISWICK, W4 3NP
Erection of a new and extended roof with alterations to elevations
P/2021/0074
2020 Approved
56 WALDECK ROAD, CHISWICK, LONDON, W4 3NP
Erection of a single storey side infill extension to the house
P/2020/4007
2020 Approved
28 PYRMONT ROAD, CHISWICK, W4 3NR
Reduce crown to Silver birch by 30% in rear garden within TPO 22
P/2020/2622
2020 Approved
32 PYRMONT ROAD, CHISWICK, W4 3NR
Reduce crown to Syacmore tree by 30% within TPO 22
P/2020/2623
2020 Approved
36 PYRMONT ROAD, CHISWICK, LONDON, W4 3NR
Erection of a single storey rear extension to the house
P/2020/1681
2020 Approved
66B WALDECK ROAD, CHISWICK, W4 3NU
Erection of a rear roof extension with three front roof windows to the house
P/2020/1238
2020 Refused
36 PYRMONT ROAD, CHISWICK, LONDON, W4 3NR
Removal of existing timber and glass roof extension and replacement of new extension with…
P/2020/0905
2019 Refused
66A WALDECK ROAD, CHISWICK, W4 3NU
Erection of a three storey block of five flats following demolition of existing buildings.
P/2019/3155
2019 Approved
19 GERALDINE ROAD, CHISWICK, LONDON, W4 3PA
Erection of a rear roof extension with Juliet balcony and two front roof windows to the h…
P/2019/2792
2016 Approved
22B OXFORD GARDENS CHISWICK LONDON W4 3BW
Erection of a rear roof extension with front roof windows to the first floor flat.
P/2016/2709
2016 Approved
64F WALDECK ROAD CHISWICK LONDON W4 3NU
Erection of a rear roof extension to the house and two rooflights to the front of the pro…
P/2016/1659
2016 Approved
22 PYRMONT ROAD CHISWICK LONDON W4 3NR
Erection of a rear roof extension with roof lights to front elevation and a single storey…
P/2016/1470
2016 Approved
OXFORD GARDENS CHISWICK LONDON LONDON W4 3BL
Felling of 8 Sycamore trees in a conservation area
P/2016/1540
2016 Refused
40 STILE HALL GARDENS CHISWICK LONDON W4 3BU
Erection of a single storey rear extension with rear lightwell over existing basement.
P/2016/0510
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