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Planning application

7 THORNHILL ROAD ICKENHAM

Granted Hillingdon 22596/APP/2026/99 Full

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference 22596/APP/2026/99

Application record

Reference
22596/APP/2026/99
Type
Full
Status
Approval
Decision
Permitted
Received
13 Jan 2026
Validated
13 Jan 2026
Decided
11 Feb 2026
Ward
ICK/HAM & S HF/D 22

Site history

Applications at this address on the Hillingdon register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 22596/APP/2025/2664 Awaiting decision

    7 THORNHILL ROAD ICKENHAM

    Erection of part single, part double storey side and rear extension, single storey front porch and bay window extension following demolition of existing porch and bay windows, conversion of interior garage to habitable room with amendments to fenestrations, conversion of roof space to habitable use with roof extensions including crown roof formation, rooflights, and rear dormer (revised description 25.11.25)

    Submitted 15 Oct 2025

Timeline

Dates from the published record

  1. 13 Jan 2026

    Received by Hillingdon

  2. 11 Feb 2026

    Decision issued: Permitted

  3. 12 Aug 2026

    Added to PlanIndex

Documents

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

5 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 grant of permission means

Hillingdon granted permission on 11 February 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.

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