Planning application
11 WHITETHORN AVENUE YIEWSLEY
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a single storey extension to the rear
As published by the council, reference 35961/APP/2026/1601
Application record
- Reference
- 35961/APP/2026/1601
- Status
- Approval
- Decision
- Granted As published: Permitted
- Received
- 27 Jun 2026
- Validated
- 29 Jun 2026
- Decided
- 24 Aug 2026
Timeline
Dates from the published record
-
27 Jun 2026
Received by Hillingdon
-
29 Jun 2026
Validated
Checked as complete and ready for consideration.
-
26 Jul 2026
Added to PlanIndex
-
24 Aug 2026
Decision issued: Permitted
-
6 Sep 2026
Status changed to Approval
Previously Undecided.
Who's behind it
Company information only, from the register and Companies House
Keenan Project Designs Ltd Agent, a design practice registered in Leamington Spa
Active · incorporated 2017 · Leamington Spa
359 applications on PlanIndex · across 100 councils · 88% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordWhat this grant of permission means
Hillingdon granted permission on 24 August 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About this record
The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.