UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

This site has had 6 applications since 2026: 5 approved, 0 refused.

• 49261/APP/2026/2094 Awaiting decision

  UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

  Details pursuant to the discharge of Condition 25 (Air Quality Assessment) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

  Submitted 25 Aug 2026
• 49261/APP/2026/1445 Granted

  UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

  Details pursuant to the discharge of Condition 19 (Detailed Landscape Scheme) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

  Decided 31 Jul 2026
• 49261/APP/2026/1013 Granted

  UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

  Details pursuant to the discharge of Condition 20 (Flood Risk Assessment and Drainage Strategy) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

  Decided 26 Jun 2026 Full applications
• 49261/APP/2026/985 Granted

  UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

  Details pursuant to the discharge of Condition 21(i) (Contaminated Land) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

  Decided 9 Jun 2026 Full applications
• 49261/APP/2026/763 Granted

  UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

  Details pursuant to the discharge of Condition 15 (Low Emission Strategy) and Condition 16 (Construction and Demolition Management and Logistics Plan) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

  Decided 15 May 2026 Full applications

1. 16 Apr 2026

   Received by Hillingdon

2. 10 Jul 2026

   Decision issued: Permitted

3. 26 Jul 2026

   Added to PlanIndex

Hillingdon granted permission on 10 July 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.

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.

• 3638/APP/2026/1538 Refused

  FORMER REGAL CINEMA 233 HIGH STREET UXBRIDGE UB8 1LD

  Change of use of existing nightclub (Sui Generis) to a banqueting suite (Sui Generis) and development of a hotel (Use Class C1) including the change of use of existing gymnasium (Use Class E) and associated landscaping, car, and cycle spaces (Part retrospective).

  Received 22 Jun, published by the council 3 Sep 2026 Full applications
• 80157/APP/2026/1606 Awaiting decision

  9 & 11 PINKWELL LANE HAYES UB3 1PQ

  Joint application for a single storey rear & front extension. Followed by demolition of existing rear conservatory & sheds.

  Received 29 Jun, published by the council 23 Aug 2026 Full applications
• 76676/APP/2026/2023 Awaiting decision

  87 NORTH VIEW EASTCOTE HA5 1PX

  Erection of a single storey wrap around side and rear extension

  Received 13 Aug, published by the council 3 Sep 2026 Full applications
• 22901/APP/2026/2013 Awaiting decision

  THE RANCHER RICKMANSWORTH ROAD HAREFIELD UB9 6JX

  Erection of single storey front infill and side extension

  Received 12 Aug, published by the council 3 Sep 2026 Full applications
• 76795/APP/2025/2062 Awaiting decision

  LAND AT YIEWSLEY LIBRARY & FORMER YIEWSLEY POOL FALLING LANE OTTERFIELD ROAD YIEWSLEY UB7 8AB

  Details pursuant to the partial discharge of Conditions 13 (Energy Statement), 14 (Energy Monitoring Plan) and 31 (Drainage Design) for the Falling Lane Site only of planning permission ref. 76795/APP/2023/2503 dated 14-09-2023 for 'Demolition of existing Yiewsley Library Building and the erection of a new residential building on the Yiewsley Library site (Falling Lane) and the erection of a new mixed use building on the former Yiewsley Swimming Pool site (Otterfield Road), with a replacement library at ground floor level, residential uses above and new pedestrian access off of the High Street'. Detailed Description: Demolition of existing Yiewsley Library Building and the erection of a 5-storey residential building, comprising 50 dwellings, with 28 undercroft parking spaces (13 for residential and 15 for use by Rabbsfarm Primary School). The Otterfield Road site proposes the erection of a 5-storey building, comprising 45 dwellings, with 25 car parking spaces (23 for residential and 2 for library users)).

  Received 31 Jul, published by the council 26 Jul 2026 Full applications