Thames Works, Unit 1, Church Street, Chiswick W4 2PD

1. 20 Oct 2025

   Received by Hounslow

2. 19 Dec 2025

   Decision issued: PRIOR APPROVAL NEEDED AND GRANTED

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 19 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.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• Second Floor Flat, Thames Works, Church Street, Chiswick, London,W4 2PD

  P/2025/3456 Submitted 17 Nov 2025 0m away

  Certificate of lawfulness proposed for change within Class C3 from dwellinghouse (C3a) to supported housing (C3b) for up to five People.

  Granted Lawful development 8 docs
  Domestic

• Flat 5 The Barley Store, Lamb Brewery Studios Church Street, Chiswick, London, W4 2PD

  P/2026/0350 Submitted 4 Feb 2026 2m away

  Replacing the existing single glazed window to double glazed window to the rear elevation of flat 5.

  Granted Full applications Windows or glazing 13 docs

• Thames Works, Church Street, Chiswick, London, W4 2PD

  P/2026/1750 Submitted 12 Jun 2026 20m away

  Non material amendment to allow the re-wording of condition 2 (approved plans) to update the approved plan list and to amendment the description of development to External alterations to the existing building including amendments to existing openings and associated works to elevations of planning permission P/2025/3155

  Granted Amendments 7 docs

• Thames Works, Church Street, Chiswick, London, W4 2PD

  PA/2026/1927 Submitted 29 Jun 2026 20m away

  Prior approval for the installation of 14 roof mounted solar photovoltaic (PV) panels to the existing pitched roof on the buildings Northwest elevation.

  Granted Outline 8 docs

• Thames Works, Church Street, Chiswick, London, W4 2PD

  P/2025/3166 Submitted 20 Oct 2025 20m away

  Alterations to existing doorways on the front elevation, one to be widened and a fan light added, and the other replaced with a glazed door.

  Granted Full applications Windows or glazing 13 docs

• Thames Works, Church Street, Chiswick, London, W4 2PD

  P/2025/0155 Submitted 17 Jan 2025 20m away

  Erection of a part second floor extension and conversion of the second floor from office use (Class E) to a House of Multiple Occupation for up to 5 people (Class C4)

  Withdrawn Full applications Extension 21 docs

• PAC/2026/2008 Granted

  First Floor, Vine Works, Church Street, Chiswick, London, W4 2PD

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

  3 Jul 2026 Outline
• SC/2026/1860 Decided

  Brentford Community Stadium Lionel Road South, Brentford, TW8 0RU

  Scoping opinion for the use of the existing stadium for live music events.

  23 Jun 2026 Outline
• PA/2026/1852 Granted

  Dukes Gate, Acton Lane, Chiswick, London, W4 5DX

  Prior approval for the erection of an additional floor extension to provide 10 residential units

  18 Jun 2026 Outline
• PAC/2026/1850 Granted

  Dukes Gate, Acton Lane, Chiswick, London, W4 5DX

  Prior approval for the change of use from commercial, business and service (Use Class E) to residential floorspace (C3) creating 29 residential units

  18 Jun 2026 Outline
• PA/2026/1927 Granted

  Thames Works, Church Street, Chiswick, London, W4 2PD

  Prior approval for the installation of 14 roof mounted solar photovoltaic (PV) panels to the existing pitched roof on the buildings Northwest elevation.

  29 Jun 2026 Outline