18 Grove Road, Isleworth, TW7 4JH Data via plota.co.uk
Proposal
Retrospective application for the installation of a new window and side access door to the side elevation. Alterations to the rear extension, including the reduction of the existing opening and the omission of the previously approved flat‑roof skylights. Removal of the rear balcony and its replacement with a new window. Repositioning of the rear skylight and installation of a new sun tunnel to the rear roof slope. Alterations to the front landscaping. Modifications to the existing two‑storey side and single‑storey rear roof forms. Data via plota.co.uk
Application progress
Approved on 16 Jun 2026 · Last checked 19 Sept 2026
Planning committee
Decided by Hounslow Planning Committee on 11 Jun 2026.
Approved
As officers recommended.
- Officers advised approval because the changes would not harm neighbours or the conservation area, subject to conditions.
- A neighbour objected that the new side door could bring regular movement, noise and disturbance beside the property.
- Members approved the application by nine votes to one, with one abstention, subject to planning conditions.
Source: Plota analysis of Hounslow's committee minutes of 11 Jun 2026.
Documents 16
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 10
Application forms 1
Site constraints 5
Checked on 11 September 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 3
Last sold for £350,000 in May 2025. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Hounslow - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
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Felling of Bay Tree (T1) within the Spring Grove Conservation Area
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Important details
How this decision compares
Decided in 130 days from validation, 76 days slower than Hounslow's median of 54 for extensions. Approved, as 81% of extensions here are.
Plota live figures for extensions decided by Hounslow in the last twelve months, from validation. Hounslow decision record →
Consultation & key dates
- Consultation
- 5 Feb 2026
- Comments by
- 20 Mar 2026
- Site or press notice
- 27 Feb 2026
- Statutory expiry
- 3 Apr 2026
Historical activity at this location
34 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
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.
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 owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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18 Grove Road, Isleworth, TW7 4JH
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