Manor Farm and land north of Wraysbury Reservoir
Recovered appeal (ref 3366043) allowed on 10 June 2026 by the Minister of State for Housing and Planning on behalf of the Secretary of State, granting planning permission subject to conditions. The appellant is Manor Farm Propco Limited, a subsidiary of Tritax Big Box REIT; the end operator is not identified. The decision letter and Inspector's Report record 72 MW of proposed data-centre IT capacity, together with a co-located 100 MW battery energy storage system.
Key facts
- Operator / developer
- Manor Farm Propco Limited
- Location
- Poyle Road, Slough, SL3 0AA, South East, United Kingdom
- Status
- Approved
- Facility type
- Data centre
- AI relevance
- Not stated
Power & grid
- Published capacity
- 72 MW — Published IT loadThe IT load the operator or planning documents state the facility will draw.
- Share of UK tracked capacity
- 2% of published it load
- Grid position
- Private-wire connection to Iver and Laleham substations, through separate EDF applications; no connection date stated
- Power
- The Inspector's Report accompanying the Secretary of State's decision records that the appellant designed the data centre to deliver an IT capacity of around 72 MW. The consented scheme also includes a battery energy storage system with a 100 MW capacity, which stores electricity and is not data centre load. No grid connection capacity is published.
- Backup fuel
- Diesel
- On-site generation
- 47 diesel backup generators; a 100MW battery energy storage system is part of the scheme (Inspector's report).
Planning
- Council
- Slough Borough Council
- Planning route
- Local planning (TCPA)
- Planning reference
- P/10076/013; APP/J0350/W/25/3366043
- Planning decision
- Appeal allowed by the Secretary of State, subject to conditions
- Decision date
- 10 June 2026
- Appeal status
- Appeal allowed
- Refusal reasons
- Green belt, Other
- Green belt
- Yes
Benefits vs drawbacks
Benefits
Drawbacks
- Great weight given to harm to heritage assets (Poyle Farmhouse and The Hollies)Source
- Green belt land (judged grey belt); moderate harm to local character and the Strategic GapSource
- Refused by Slough Council on need, coalescence with London, Colne Valley Regional Park and Heathrow grounds; approved only on appealSource
- 47 diesel backup generatorsSource
Timeline
The Secretary of State allowed the appeal, subject to conditions (APP/J0350/W/25/3366043).
Source
Reality Score
Sources
- Recovered appeal decision: Manor Farm and land north of Wraysbury Reservoir, Poyle Road, Slough (APP/J0350/W/25/3366043)
Primary record · Ministry of Housing, Communities and Local Government · 2026-06-10 · accessed 2026-08-12
- Decision letter and inspector's report, recovered appeal APP/J0350/W/25/3366043, Manor Farm, Slough
Secondary source · MHCLG · 2026-06-10
- 147MW Slough data center receives approval from UK government
Secondary source · DatacenterDynamics (secondary)
Last verified
27 September 2026
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