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Planning application

21 NORTH AVENUE HAYES UB3 2JE

Refused Hillingdon 79879/APP/2026/176 Full

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

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.

As published by the council, reference 79879/APP/2026/176

Application record

Reference
79879/APP/2026/176
Type
Full
Status
Refusal
Decision
Refused
Received
21 Jan 2026
Validated
21 Jan 2026
Decided
17 Mar 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: 1 approved, 2 refused.

  • 79879/APP/2026/1765 Awaiting decision

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).

    Submitted 15 Jul 2026
  • 79879/APP/2026/1749 Granted

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of part single storey, part double storey rear extension

    Decided 3 Sep 2026 Full applications
  • 79879/APP/2026/154 Refused

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of a part single part two storey rear extension

    Decided 5 Mar 2026 Full applications

Timeline

Dates from the published record

  1. 21 Jan 2026

    Received by Hillingdon

  2. 17 Mar 2026

    Decision issued: Refused

  3. 12 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

10 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 documents

What this refusal means

Hillingdon refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 21 NORTH AVENUE HAYES UB3 2JE

    79879/APP/2026/1749 Submitted 13 Jul 2026 0m away

    Erection of part single storey, part double storey rear extension

    Granted Full applications Extension 6 docs
    Small domestic

  • 9 NORTH AVENUE HAYES UB3 2JE

    79706/APP/2025/2498 Submitted 26 Sep 2025 0m away

    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 docs
    Small domestic

  • 12 NORTH AVENUE HAYES UB3 2JE

    79939/APP/2026/491 Submitted 25 Feb 2026 0m away

    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

    79879/APP/2026/154 Submitted 19 Jan 2026 0m away

    Erection of a part single part two storey rear extension

    Refused Full applications Extension 7 docs

  • 21 NORTH AVENUE HAYES UB3 2JE

    79879/APP/2026/1765 Submitted 15 Jul 2026 0m away

    86% historically approved · decision due ~9 Sep

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).

    Awaiting decision

  • 10 ST MARY'S ROAD HAYES UB3 2JW

    79026/APP/2024/2640 Submitted 3 Oct 2024 84m away

    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 3.00 metres, and for which the height of the eaves would be 2.50 metres

    Withdrawn Full applications Extension 7 docs
    Small domestic

In Hillingdon

  • 80149/APP/2026/1572 Granted

    14 LADYGATE LANE RUISLIP HA4 7QU

    Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sloped roof, following the removal of the rear chimney and garden shed. (Description Amended)

    24 Jun 2026 Full applications
  • 79879/APP/2026/1749 Granted

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of part single storey, part double storey rear extension

    13 Jul 2026 Full applications
  • 74889/APP/2026/1363 Granted

    32 MANOR ROAD HAYES UB3 2DG

    Erection of a first-floor rear extension.

    1 Jun 2026 Full applications
  • 53073/APP/2026/1645 Granted

    50 MINET DRIVE HAYES UB3 3JW

    Erection of a part single storey, part two storey extension to the rear

    1 Jul 2026 Full applications
  • 80172/APP/2026/1717 Refused

    6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ

    Change of use from Class B8 to Class E retail

    8 Jul 2026 Full applications