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Planning application

Challenger House, 125 Gunnersbury Lane, Acton, London, W3 8LH

Granted Hounslow PAC/2025/3046 Prior Approval Office to Residential

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

Proposal

Prior Approval for the change of use of the building's existing basement floor office (Class E) to a self-contained one bedspace, one person studio flat (Class C3).

As published by the council, reference PAC/2025/3046

Application record

Reference
PAC/2025/3046
Type
Prior Approval Office to Residential
Status
Granted As published: Decided: PRIOR APPROVAL NEEDED AND GRANTED
Decision
Granted As published: PRIOR APPROVAL NEEDED AND GRANTED
Received
7 Oct 2025
Validated
9 Oct 2025
Decided
4 Dec 2025
Ward
Chiswick Gunnersbury
Postcode
W3 8LH

Timeline

Dates from the published record

  1. 7 Oct 2025

    Received by Hounslow

  2. 9 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 4 Dec 2025

    Decision issued: PRIOR APPROVAL NEEDED AND GRANTED

  4. 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.

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Open the documents

What this grant of permission means

Hounslow granted permission on 4 December 2025, 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 prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Challenger House 125 Gunnersbury Lane Acton W3 8LH

    253949CONS Submitted 16 Oct 2025 50 yards away

    Prior Approval for the change of use of the building's existing lower ground floor office (Class E) to a self-contained one bedroom, one person flat (Class C3). (Out of borough)

    Granted Outline 9 docs

  • Challenger House 125 Gunnersbury Lane Acton W3 8LH

    253949CONS Submitted 16 Oct 2025 50 yards away

    Prior Approval for the change of use of the building's existing lower ground floor office (Class E) to a self-contained one bedroom, one person flat (Class C3). (Out of borough)

    Granted Outline 9 docs

  • Acton Town Underground Station Gunnersbury Lane Acton W3 8HN

    243845LBC Submitted 11 Oct 2024 50 yards away

    Installation of new One Person Operations (OPO) cameras, brackets etc for a new Platform-Train Interface System with retention and eventually removal of existing OPO cameras, brackets etc to enable the introduction of new rolling stock to the Piccadilly Line as part of the Piccadilly Line Upgrade Project and associated works. (Listed Building Consent)

    Granted Heritage and listed buildings 14 docs

  • Acton Town Underground Station Gunnersbury Lane Acton W3 8HN

    243845LBC Submitted 11 Oct 2024 50 yards away

    Installation of new One Person Operations (OPO) cameras, brackets etc for a new Platform-Train Interface System with retention and eventually removal of existing OPO cameras, brackets etc to enable the introduction of new rolling stock to the Piccadilly Line as part of the Piccadilly Line Upgrade Project and associated works. (Listed Building Consent)

    Granted Heritage and listed buildings 14 docs

  • 6 THE BROADWAY GUNNERSBURY LANE, ACTON, LONDON, W3 8HR

    P/2023/1165 Submitted 13 Apr 2023 50 yards away

    Non Material amendment following planning permission 00163/6/P4 dated 02/12/2022 for removal of all roof lights within the new rear extension roof.

    Granted Amendments Extension Loft or dormer 3 docs

  • Acton Medical Centre 122 Gunnersbury Lane Acton London W3 9BA

    215528FUL Submitted 6 Sep 2021 50 yards away

    Construction of a part three, part five storey residential development with commercial ground floor space, comprising of nine residential units (6 x 2-bedroom, 2 x 1-bedroom, 1 x 4-bedroom), with associated private and communal amenity space, cycle parking and refuse/recycling provision (following demolition of the existing building)

    Withdrawn Full applications New dwelling Demolition 17 docs

In Hounslow

  • PA/2026/2437 Refused

    17 Orchard Road, Brentford, TW8 0QX

    Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

    Received 26 Aug, published by the council 2 Sep 2026 Prior approval
  • PA/2026/2481 Refused

    6 Speart Lane, Hounslow, TW5 9EF

    Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

    Received 1 Sep, published by the council 5 Sep 2026 Prior approval
  • PA/2026/2768 Awaiting decision

    86 Kneller Gardens, Isleworth, TW7 7NW

    Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

    Received 30 Sep, published by the council 6 Oct 2026 Prior approval
  • PA/2026/2393 Granted

    2 Letchworth Avenue, Feltham, TW14 9RY

    Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eaves

    Received 18 Aug, published by the council 23 Aug 2026 Prior approval
  • PA/2026/2364 Granted

    9 Westbourne Road, Feltham, TW13 4LX

    Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

    Received 13 Aug, published by the council 23 Aug 2026 Prior approval