Planning application
21 NORTH AVENUE HAYES UB3 2JE
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 part single storey, part double storey rear extension
As published by the council, reference 79879/APP/2026/1749
Application record
- Reference
- 79879/APP/2026/1749
- Type
- Full
- Status
- Approval
- Decision
- Permitted
- Received
- 13 Jul 2026
- Validated
- 13 Jul 2026
- Decided
- 3 Sep 2026
- Ward
- WOOD END 2022
- Postcode
- UB3 2JE
Site history
Applications at this address on the Hillingdon register
This site has had 4 applications since 2026: 2 approved, 2 refused.
-
79879/APP/2026/1765 Granted
21 NORTH AVENUE HAYES UB3 2JE
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
-
79879/APP/2026/176 Refused
21 NORTH AVENUE HAYES UB3 2JE
Construction of a part two storey, part single storey rear extension; together with the conversion of a single family dwellinghouse (Use Class C3) into a six-bed person HMO, with a maximum occupancy of six people and associated works.
-
79879/APP/2026/154 Refused
21 NORTH AVENUE HAYES UB3 2JE
Erection of a part single part two storey rear extension
Timeline
Dates from the published record
-
13 Jul 2026
Received by Hillingdon
-
3 Aug 2026
Added to PlanIndex
-
3 Sep 2026
Decision issued: Permitted
Documents
Plans, drawings, consultee responses and the officer's report
6 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Hillingdon granted permission on 3 September 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
9 NORTH AVENUE HAYES UB3 2JE
Erection of a single storey rear extension which will extend beyond the wall of the original house by 4.00 metres, for which the maximum height will be 3.00m and height of the eaves will be 2.85m.
Granted Full applications Extension 4 docsSmall domestic -
12 NORTH AVENUE HAYES UB3 2JE
Erection of an outbuilding to rear garden for use as a gym/store (Application for a Certificate of Lawful Development for a Proposed Development).
Granted Full applications 5 docs -
21 NORTH AVENUE HAYES UB3 2JE
Construction of a part two storey, part single storey rear extension; together with the conversion of a single family dwellinghouse (Use Class C3) into a six-bed person HMO, with a maximum occupancy of six people and associated works.
Refused Full applications Extension 10 docsSmall domestic -
21 NORTH AVENUE HAYES UB3 2JE
Erection of a part single part two storey rear extension
Refused Full applications Extension 7 docs -
6 NORTH AVENUE HAYES UB3 2JE
Erection of a part single storey, part double storey side extension and part first floor rear extension including chimney removal works.
Granted Full applications Extension 7 docsSmall domestic -
21 NORTH AVENUE HAYES UB3 2JE
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
Granted
Other full applications
In Hillingdon
-
80210/APP/2026/1925 Granted
33 FLEMMING AVENUE RUISLIP HA4 9LE
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.30 metres, and for which the height of the eaves would be 3.00 metres.
-
79068/APP/2026/1422 Granted
2 COLLEGE DRIVE RUISLIP HA4 8SB
Variation of Condition 2 (Approved Plans), 3 (Materials) of planning permission ref. 79068/APP/2024/2610, dated 10-02-25 (Erection of a single storey extension to the side, erection of a single storey extension to the rear, following the demolition of existing single storey side extension and garage. Installation of 4 front roof lights and amendments to fenestrations including removal of pebble dash and the installation of an Air Source Heat Pump.) to be amended in accordance with drawing numbers C01,C02,C03 & C04 with amendment of the rear element and Condition 3 to be amended so that the front extension elevation remains brick, with the side and rear elevations to be silicone render with stipple finish to match existing traditional render.
-
78325/APP/2026/1804 Granted
1 COPSE CLOSE NORTHWOOD HA6 2XG
Details pursuant to the discharge of Condition 10 (Accessible Housing) of planning permission ref. 78325/APP/2023/2889, dated 19-01-2024 (Erection of a two storey detached dwelling with associated access, parking and amenity space following demolition of existing dwelling.)
-
79711/APP/2026/1801 Granted
132 WHITETHORN AVENUE YIEWSLEY UB7 8LB
Change of use from ground floor office to annex
-
4260/APP/2025/2721 Granted
RUISLIP METHODIST CHURCH ICKENHAM ROAD RUISLIP MIDDLESEX. HA7 7BZ
Amendments to fenestration to include replacement windows on the front elevation and the insertion of a new fire door on the east side elevation.