Mulliner House Flanders Road Chiswick London W4 1NN

1. 10 Feb 2026

   Received by Old Oak and Park Royal Development Corporation

2. 3 Mar 2026

   Decision issued: Objection

3. 10 Aug 2026

   Added to PlanIndex

Old Oak and Park Royal Development Corporation 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.

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.

• Mulliner House Flanders Road Chiswick London W4 1NN

  260527CONS Submitted 10 Feb 2026 50 yards away

  Erection of a single storey side extension and an additional floor at roof level with a roof terrace, relocation of the entrance and alterations to the facade, enclosure of the basement car park to create swimming pools with landscaping and associated works ( out of borough)

  Refused Outline Extension 2 docs
  Small domestic

• MULLINER HOUSE FLANDERS ROAD, CHISWICK, W4 1NN

  P/2021/2577 Submitted 24 Jun 2021 50 yards away

  T1 Norway Maple. Crown reduce close to previous prune points. Height reduce 2m Spread 1.5m. Prune back off building to create a 2m clearance between tree and building. Lift crowns to 2.5m. T2 Norway Maple. Crown reduce close to previous prune points. Height reduce 2m Spread max 1m. Prune back off building to create a 2m clearance between tree and building. Lift crowns to 2.5m. T3 Norway Maple (red). Crown reduced by 30%. Height reduce 3m Spread 2m. Prune back off building to create a 2m clearance between tree and building. Lift crowns to 2.5m. T4 Norway Maple. Crown reduced by 30%. Height reduce 2m Spread 1.5m. Prune back off building to create a 2m clearance between tree and building. Lift crowns to 2.5m. Reason for works. To maintain the trees at no larger than the present size.

  Granted Trees 6 docs

• Mulliner House,Flanders Road,Chiswick,London,W4 1NN

  P/2025/3229 Submitted 24 Oct 2025 50 yards away

  Certificate of lawfulness of the proposed use of the site as a family childcare and indoor recreation facility comprising children's activity areas, a creche, soft play area, gym and wellness facilities, workspace and meeting rooms, lounges, and a cafe/restaurant falls within the existing building's lawful use (Use Class E)

  Granted Lawful development 13 docs

• Mulliner House,Flanders Road,Chiswick,W4 1NN

  P/2024/3506 Submitted 21 Oct 2024 50 yards away

  Works to trees in a Conservation Area - G1- 3 X Maple prune clear of building to allow 1.5 metres clearance and T2-Maple prune clear of street lamp by 1 metre in front garden

  Granted Trees 4 docs

• MULLINER HOUSE FLANDERS ROAD, CHISWICK, W4 1NN

  PAC/2021/3121 Submitted 30 Jul 2021 50 yards away

  Prior approval notification for change of use from office (Use Class E(g)(i)) (previously Use Class B1(a)) to form 50 residential flats comprising 37 studios, 11 one bedroom flats and two. 2 bedroom flats (Use Class C3).

  Refused Prior approval New dwelling 21 docs

• Mulliner House, Flanders Road, Chiswick, London, W4 1NN

  P/2025/3644 Submitted 8 Dec 2025 50 yards away

  Erection of a single storey side extension and an additional floor at roof level with a roof terrace, relocation of the entrance and alterations to the façade, enclosure of the basement car park to create swimming pools with landscaping, plants and associated works

  Granted Full applications Extension 105 docs
  Small domestic

• 263623OPDCOB Awaiting decision

  North Acton Square Victoria Road Acton W3 6UP

  Installation of digital display in self supported structure over existing containers ( out of borough)

  Received 1 Oct, published by the council 12 Oct 2026 Outline
• 263686OPDCOB Awaiting decision

  Energy Centre Building, Pipework (western Arm) Pipework (eastern Arm) 1 Minerva Road Park Royal NW10 6HJ

  Partial details of part (i) of condition 7 (Construction Logistics Plans) and part (i) of condition 8 (Construction and Environmental Management Plans), in relation to the demolition and piling mat works at 1 Minerva Road only; Partial details of parts (ii) and (iii) of condition 7 (Construction Logistics Plans) and parts (ii) and (iii) of condition 8 (Construction and Environmental Management Plans), in relation to the installation of the buried pipework along Minerva Road and North Acton Road only; and Partial details of condition 11 (HS2 Safeguarding), in relation to 1 Minerva Road and works along Minerva Road and North Acton Road only; pursuant to planning permission reference 25/0184/FUMOPDC dated 25/03/2026, for 'Development associated with the Old Oak and Park Royal Energy Network (OPEN) district heating network, comprising: Demolition of a warehouse building at 1 Minerva Road, London, NW10 6HJ, and erection of a purposebuilt energy centre building; Laying of a network of underground heat pipes; Erection of a crossover gantry to carry the pipework over existing railway tracks, running parallel to the Park Royal Road Overbridge; and Other associated works.' (Out of Borough)

  Received 1 Oct, published by the council 12 Oct 2026 Outline
• 263227OPDCOB Refused

  37 - 39 North Acton Road Park Royal NW10 6PF

  Partial discharge of condition 4 (Noise Testing Results) pursuant to planning permission reference 22/0142/REMOPDC dated 25/01/2023 for 'Reserved Matters Application with full details of access, layout, scale, appearance and landscaping pursuant to outline planning permission reference 20/0122/OUTOPDC dated 27/09/2022 for a data centre (Use Class B8), generator building, plant, sub-station, hard and soft landscaping and associated works (out of borough)

  Received 24 Aug, published by the council 30 Aug 2026 Outline
• 263634CONS Awaiting decision

  36 Old Oak Road London W3 7HQ

  Erection of a single storey rear extension, to the side and rear of the existing back addition following the demolition of existing store room at the rear of the property (out of borough)

  Received 25 Sep, published by the council 12 Oct 2026 Outline
• 263459CONS Granted

  Clayponds Open Space Clayponds Gardens London W5 4RQ

  Replacement of ball court (MUGA) to a football foundation play zone, installation of new fencing, lighting and surface joint (Out of Borough)

  Received 11 Sep, published by the council 21 Sep 2026 Outline