Land At Manor Farm Poyle Road Poyle Slough Data via plota.co.uk

26/30013/SMI - Spheres of Mutual Interest Awaiting decision

Proposal

Construction of a proposed demolition of existing buildings and structures, and erection of three Data Centres (Use Class B8) with ancillary substation, offices, associated plant, emergency backup generators and associated fuel storage, landscaping, sustainable drainage systems, car and cycle parking, and new and amended vehicular and emergency access from Poyle Road, site re-levelling, community building, river diversion and other associated works. Data via plota.co.uk

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View original council record ↗Last checked 7 Oct 2026, 17:08

Application progress

✓

Received

21 Sept 2026

Decision

Expected by 18 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 12 Nov 2026 and 30 Nov 2026, from Windsor and Maidenhead's recent commercial and major works.

Documents 2

Consultation & comments 1

PDF Consultation letter Correspondence - General · 21 Sept 2026 View ↗

Site constraints 5

Green belt: London

Inappropriate development needs very special circumstances.

Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.

Read the government guidance ↗

Also on the record

1 listed building within 150 m; National infrastructure project 1243 m away: M4 Junctions 3 to 12 Smart Motorway; Inside the Poyle built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 2, but it predates the buildings here and the current map does not class it as farmland.

Not affected

Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council: Windsor and Maidenhead
Application type: Spheres of Mutual Interest
Received: 21 Sept 2026
Validated: 21 Sept 2026
Target decision: 18 Oct 2026
Applicant: Show

Decision outlook

Day 18 of the 56-day target. Windsor and Maidenhead usually decides commercial and major works by day 55.

prediction

Day 1838 days to the 56-day target

56%decided within 8 weeks

81%approved

36decided in the last year

Plota live figures for commercial and major works decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →

Consultation & key dates

Statutory expiry: 18 Oct 2026
Env. assessment: No

Windsor and Maidenhead

Planning Authority Score

5.3/10

Average

#135 of 296 councils

Relevant to this application:

Householder decisions

Windsor and Maidenhead is faster than most councils at deciding householder applications, ranking #82 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 74% approved vs 90% nationally.

One of the strictest councils

only 74% approved vs 90% nationally

These figures are council-wide context, not a prediction for this application. View full council performance

Windsor and Maidenhead decision statistics

Based on MHCLG data, the year to March 2026

72%

Overall approval rate

Below avg (87%) #293 of 296

74%

Householder approved

Below avg (90%) #294 of 296

75%

Decided in 8 weeks

Above avg (63%) #82 of 296

28%

Extended time limit

Below avg (41%) #47 of 296

44%

Minor dwellings approved

156 decided (1-9 homes)

96%

Major dwellings approved

27 decided (10+ homes)

64%

Change of use approved

25 decided

1,530

Total decisions

434 refused in the year to March 2026