The Regus Group Gainsborough House 59 - 60 Thames Street Windsor SL4 1TX Data via plota.co.uk

26/02547/CPU - Cert of Lawfulness of Proposed Use Awaiting decision

Proposal

Certificate of lawfulness to determine whether the proposed use of a ground floor office (1.15) as a private hire operators licence is lawful. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
19 Oct 2026
✓
Validated
22 Oct 2026
Decision
Expected by 16 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 16 Dec 2026, from Windsor and Maidenhead's recent changes of use.

Site constraints 10

Listed building: at the site
List entry 1117674 · 12 m away · 25 more listed buildings within 150 m (3 Grade II*, 22 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 25 with distances
Historic England ↗
Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Scheduled monument 149 m away: Windsor Castle
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Also on the record
Registered park or garden 113 m away: The Royal Estate, Windsor: Windsor Castle and Home Park; Radon affected area, class 2; National infrastructure project 1711 m away: M4 Junctions 3 to 12 Smart Motorway; Inside the Windsor built-up area; Green belt 49 m away: London; Flood defence 48 m away (natural high ground, designed for a 1 in 5 year flood).

Checked on 23 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.

Building

Floor area1,660 m² (17,868 sq ft)
Energy ratingD (asset rating 100)
UseB1 Offices and Workshop businesses
HeatingAir Conditioning

From the energy performance certificate lodged in December 2019, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Cert of Lawfulness of Proposed Use
Postcode
SL4 1TX
Received
19 Oct 2026
Validated
22 Oct 2026
Ward
Eton And Castle
Parish
Windsor Unparished
Target decision
16 Dec 2026
Applicant
Show

Decision outlook

Day 6 of the 56-day target. Windsor and Maidenhead usually decides changes of use by day 55.

Day 650 days to the 56-day target
61%decided within 8 weeks
65%approved
79decided in the last year

Plota live figures for changes of use decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →

Consultation & key dates

Alt. reference
PP-15307529
Planning Portal ref
PP-15307529
Statutory expiry
16 Dec 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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.