72 Arnold Crescent, Isleworth, TW7 7NU Data via plota.co.uk

P/2026/0530 - Householder Applications Decided

Proposal

Erection of a single storey side extension, single storey rear extension, front porch extension and rear roof extension with hip to gable conversion and three front roof windows following the demolition of the existing garage and conservatory. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
13 Feb 2026
✓
Validated
26 Feb 2026
✓
Decided
23 Apr 2026
✓
Appeal allowed
11 Sept 2026

Decided on 23 Apr 2026 · Last checked 19 Sept 2026

Site constraints 7

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 Named permitted development rights are withdrawn here.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
National infrastructure project 86 m away: Teddington Direct River Abstraction (TDRA), at pre-application; Inside the Hounslow built-up area; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square; Designated open space 39 m away; Priority habitat 40 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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.

Sales history 1

Last sold for £572,500 in January 2026. Semi-detached house, freehold.

9 January 2026£572,500

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

Building

Floor area75 m² (807 sq ft)
Energy ratingC (71 out of 100), could reach B
PropertySemi-detached house, 4 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in May 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Hounslow
Application type
Householder Applications
Postcode
TW7 7NU
Received
13 Feb 2026
Validated
26 Feb 2026
Ward
Hounslow South
Case officer
Show
Decision date
23 Apr 2026
Appeal
Allowed · 11 Sept 2026 · Written Representations · Inspectorate case 6009759 ↗
Applicant
Show

Consultation & key dates

Consultation
9 Mar 2026
Comments by
30 Mar 2026
Statutory expiry
23 Apr 2026
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

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.