P/2026/0591Planning Application P/2026/0591
Full application at 4 St Marys Crescent, Isleworth, TW7 4NA, Hounslow. View planning documents, track the decision and get email alerts on updates.
Erection of a first-floor rear infill extension, loft conversion, and increase to the roof ridge height.
P/2026/0591
4 St Marys Crescent, Isleworth, TW7 4NA
This is a full planning application for a loft conversion at 4 St Marys Crescent, Isleworth, TW7 4NA. Hounslow has handled 2,388 applications of this type and approves 77% of them, typically deciding them in 57 days. It was submitted on 19 February 2026 and is still awaiting a decision. The site is in the Osterley Park conservation area. There has been 1 other application at this address. In the past year there have been 140 applications across Osterley & Spring Grove. We hold 393 applications in total for the TW7 postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Hounslow