8 Lonsdale Road, Chiswick, London, W4 1ND Data via plota.co.uk

P/2026/1489 - Householder Applications Approved

Proposal

Erection of a single storey rear extension to the house. Data via plota.co.uk

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View original council record ↗Last checked 4 Oct 2026, 08:38

Street View

Application progress

✓

Received

18 May 2026

✓

Approved

13 Jul 2026

Approved on 13 Jul 2026 · Last checked 19 Sept 2026

Documents 11

Site constraints 9

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.

2 Article 4 directions

Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 Direction · Article 4(2) directions for Bedford Park and Gunnersbury Conservation areas. Named permitted development rights are withdrawn here.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 ↗

21 listed buildings within 150 m

Nearest: 48, Bath Road W4, Grade II, 41 m away · 21 Grade II

The site itself is not listed. 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 all 21 with distances

41 m48, Bath Road W4Grade II
42 m44 and 46, Bath Road W4Grade II
43 m40 and 42, Bath RoadGrade II
55 m38, Bath Road W4Grade II
60 m50-58, Bath Road W4Grade II
73 m31, Bath Road W4Grade II
76 m29, Bath Road W4Grade II
77 m36, Bath Road W4Grade II
78 m33 and 35, Bath Road W4Grade II
83 m37, Bath Road W4Grade II
90 m60 and 62, Bath Road W4Grade II
92 m32 and 34, Bath Road W4Grade II
93 m17-27, Bath Road W4Grade II
109 m13 and 15, Bath Road W4Grade II
122 m22, Addison Grove W4Grade II
122 m28 and 30, Bath Road W4Grade II
130 m18 and 20, Addison Grove W4Grade II
132 m16, Addison Grove W4Grade II
133 m9 and 11 Bath RoadGrade II
143 m12 and 14, Addison Grove W4Grade II
143 m2, Rupert Road W4Grade II

Historic England ↗

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

Not green belt · No scheduled monument at the site

Checked on 6 October 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.