Planning application
56 COLBROOK AVENUE HAYES UB3 1TQ
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of a single storey rear extension for use as a conservatory.
As published by the council, reference 17025/APP/2026/1772
Application record
- Reference
- 17025/APP/2026/1772
- Status
- Approval
- Received
- 16 Jul 2026
- Validated
- 27 Jul 2026
- Decided
- 18 Sep 2026
- Postcode
- UB3 1TQ
Site history
Applications at this address on the Hillingdon register
This site has had 2 applications since 2024: 1 approved, 0 refused.
-
17025/APP/2024/2273 Granted
56 COLBROOK AVENUE HAYES UB3 1TQ
Erection of an outbuilding to rear garden following the demolition of the existing shed. (Application for a Certificate of Lawful Development for a Proposed Development)
Timeline
Dates from the published record
-
16 Jul 2026
Received by Hillingdon
-
27 Jul 2026
Validated
Checked as complete and ready for consideration.
-
12 Aug 2026
Added to PlanIndex
-
18 Sep 2026
Decision issued
What happens while it is decided
This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 58 days. More in our guide to how long planning decisions take.
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.
Nearby applications
Within 0.3 miles
-
69 COLBROOK AVENUE HAYES UB3 1TQ
Single storey rear extension
Granted Full applications Extension 9 docsSmall domestic -
56 COLBROOK AVENUE HAYES UB3 1TQ
Erection of an outbuilding to rear garden following the demolition of the existing shed. (Application for a Certificate of Lawful Development for a Proposed Development)
Granted Full applications Demolition 9 docsSmall domestic -
54 WALTHAM AVENUE HAYES UB3 1TB
Use as 2 self-contained flats ( 1 x 2 bedroom and 1 x 1 bedroom) (Application for a Certificate of Lawful Development for an Existing Development)
Granted Full applications New dwelling 6 docs -
48 WENTWORTH CRESCENT HAYES MIDDLESEX UB3 1NN
Erection of a single storey rear extension
Granted Full applications Extension 7 docsSmall domestic -
2 COLBROOK AVENUE HAYES UB3 1TG
Details pursuant to the discharge of Conditions 3 (Materials), 9 (On-Site Parking), 12 (Sustainable Water Management), and 14 (Landscaping) of planning permission reference 77319/APP/2023/1106, dated 27.10.2023, for 'Erection of a two storey side extension to facilitate the creation of a two-bedroom dwellinghouse with front porch, alterations to existing boundary wall, provision of car and cycle parking, bin storage, subdivision of amenity space and associated landscaping'.
Granted Full applications Extension 23 docsSmall domestic -
2A COLBROOK AVENUE HAYES UB3 1TG
86% historically approved · decision due ~3 Apr
Erection of a single storey rear extension
Awaiting decision ExtensionSmall domestic