THORNEY MILL ROAD WEST DRAYTON Hillingdon
(Cross Borough Boundary Application) Outline planning application with the details of access, appearance, landscaping, layout and scale reserved for later determination. Demolition and redevelopment to comprise a data centre (Use Class B8 (Data Centre) or Sui Generis (Data Centre) of up to 55,000 sq.m (GEA) including ancillary offices, internal plant and equipment and substation. In addition to the above the Development may also include: car parking; provision of external plant and equipment and fuel storage; creation of servicing areas and provision of associated services, including waste, refuse, cycle storage and lighting; and for the laying out of the buildings; routes and open spaces within the development; realignment of railhead; all associated and ancillary works and operations including but not limited to: demolition; earthworks; and provision of attenuation infrastructure and engineering operations.
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Progress
Application details
- Reference
- 73420/APP/2020/4268
- Local authority
- Hillingdon
- Ward
- WEST DRAYTON
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 21 Dec 2020
- Validated
- 21 Dec 2020
- Comments close
- 2 Feb 2021
- Target decision
- 8 Apr 2022
- Decided
- 6 Apr 2022
Estimated project value
£15k–£120k
Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: trade estimate.
Floor area gained: 55,000m²
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
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