3 High Street Windsor SL4 1LD Data via plota.co.uk

26/01398/FULL - Full Awaiting decision
Change of useNew homesCommercial premises

Proposal

Change of use of second floor from Class E Offices to Class C3 residential to provide two self-contained apartments. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
8 Jun 2026
✓
Validated
30 Jun 2026
Decision
Target date was 19 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 28 Oct 2026; it is now day 120.

The consultation period closed on 29 Jul 2026.

Documents 19

Statements & assessments 8

PDF Sustainability Consultee - Comments · 24 Aug 2026 View ↗ PDF Energy statement. Supporting Information - General · 24 Aug 2026 View ↗ PDF Sustainability. Consultee - Comments · 22 Jul 2026 View ↗ PDF Transport note Supporting Information - Transport · 16 Jul 2026 View ↗ PDF Energy statement Supporting Information - General · 8 Jun 2026 View ↗ PDF Heritage statement Heritage Statement · 8 Jun 2026 View ↗ PDF Noise impact assessment Supporting Information - General · 8 Jun 2026 View ↗ PDF Planning, design and access statement Planning Statement · 8 Jun 2026 View ↗

Plans & drawings 1

PDF Design & servicing management plan Supporting Information - General · 1 Jul 2026 View ↗

Application forms 2

PDF Application form redacted Application Forms · 8 Jun 2026 View ↗ PDF Cil form 1 CIL Documents · 8 Jun 2026 View ↗

Consultation & comments 3

PDF Conservation comments Consultee - Comments · 3 Aug 2026 View ↗ PDF Environmental protection comment Consultee - Comments · 21 Jul 2026 View ↗ PDF Neighbour notification list Neighbour Notification List · 2 Jul 2026 View ↗

Other documents 5

PDF Eot agreement Extension of Time · 10 Sept 2026 View ↗ PDF Advert Supporting Information - General · 3 Jul 2026 View ↗ PDF Waste & recycling strategy Supporting Information - General · 1 Jul 2026 View ↗ PDF History log Property History · 1 Jul 2026 View ↗ PDF Marketing report Supporting Information - General · 8 Jun 2026 View ↗

All documents on the council site ↗

Site constraints 6

Grade II listed: 4, High Street
List entry 1204505 · 1 m away · 55 more listed buildings within 150 m (1 Grade I, 10 Grade II*, 44 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 55 with distances
Historic England ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Radon affected area, class 2; Registered park or garden 148 m away: The Royal Estate, Windsor: Windsor Castle and Home Park; Scheduled monument 206 m away: Windsor Castle; Inside the Windsor built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, 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.

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Other new applications on this street

9 Oct 2026Pending

7 High Street Windsor SL4 1LD

Consent to display 1 No. Non - illuminated A- Frame Sign.

26/02421/ADV
12 Oct 2026Pending

15 High Street And 2 Guards View 16 High Street Windsor

Consent for removal of the existing pitched roof for the construction of an exte...

26/02202/LBC
17 Sept 2026Pending

Red Noodle 50 High Street Windsor SL4 1LR

Consent to display 1 no. non-illuminated hanging sign.

26/02253/ADV
11 Sept 2026Pending

Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

Consent for 18no. non illuminated wall mounted signs; 1no. non illuminated pole ...

26/02049/ADV

Nearby new applications

22 Oct 2026Pending

Flaxman 50 Peascod Street Windsor SL4 1DE

Installation of a roller shutter (Retrospective)

26/02399/FULL
22 Oct 2026Pending

The Regus Group Gainsborough House 59 - 60 Thames Street Windsor SL4 1TX

Certificate of lawfulness to determine whether the proposed use of a ground floo...

26/02547/CPU
20 Oct 2026Pending

Boots 17 - 18 Peascod Street Windsor SL4 1DU

Details required by condition 17 (lighting scheme) of planning permission 20/035...

26/02557/CONDIT
20 Oct 2026Pending

Boots 17 - 18 Peascod Street Windsor SL4 1DU

Details required by condition 19 (odour control) of planning permission 20/03514...

26/02558/CONDIT
19 Oct 2026Pending

Brunswick Villa 24 Kings Road Windsor SL4 2AG

(T1) Magnolia - Reduce height down by approximately 2m leaving 4.5m high and red...

26/02541/TCA
19 Oct 2026Pending

14 Alexandra Road Windsor SL4 1HN

Alterations to fenestration to the rear and side elevation.

26/02506/FULL

Important details

Council
Windsor and Maidenhead
Application type
Full
Postcode
SL4 1LD
Received
8 Jun 2026
Validated
30 Jun 2026
Ward
Eton And Castle
Parish
Windsor Unparished
Case officer
Show
Target decision
19 Oct 2026
Applicant
Show
Agent
Show
Leaseholder
Show

Decision outlook

Day 120, past the statutory target. 83% of changes of use in Windsor and Maidenhead are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 27 Oct 2026.

Day 12064 days past 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-14913170
Planning Portal ref
PP-14913170
Comments by
29 Jul 2026
Statutory expiry
24 Aug 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
12 High Street Windsor SL4 1LT
1no. accessibility ramp to front entrance, 1no. new door and new steps to rear elevation…
25/02952/FULL
2025 Approved
12 High Street Windsor SL4 1LT
Consent for new signage and 2no. flagpoles.
25/02886/LBC
2025 Approved
Castle Hotel Windsor 18 High Street Windsor SL4 1LJ
Consent for 7no. replacement windows and the redecoration and repair of 3no. windows to t…
25/02141/LBC
2025 Approved
Castle Hotel Windsor 18 High Street Windsor SL4 1LJ
7no. replacement windows and the redecoration and repair of 3no. windows to the north ele…
25/02140/FULL
2025 Withdrawn
15 High Street And 2 Guards View 16 High Street Windsor
Part change of use of the existing rear single storey element of the shop to residential…
25/02426/FULL
2025 Withdrawn
15 High Street And 2 Guards View 16 High Street Windsor
Consent for part change of use of the existing rear single storey element of the shop to…
25/02427/LBC
2025 Approved
12 High Street Windsor SL4 1LT
Consent for 1no. accessibility ramp to front entrance, 1no. new door and new steps to rea…
25/02366/LBC
2025 Approved
12 Park Street Windsor SL4 1LU
Consent for the change of use of property from offices (Use Class E) and two self-contain…
25/01426/LBC
2025 Refused
12 High Street Windsor SL4 1LT
Consent for new signage.
25/01941/LBC
2025 Approved
Dunk Design Coach House Madeira Walk Windsor SL4 1EU
Consent for structural repair work to the brickwork arch.
25/01736/LBC
2025
12 Park Street Windsor SL4 1LU
Change of use of property from offices (Use Class E) and two self-contained residential a…
25/01425/FULL
2025 Approved
Clairmont Cafe 5 High Street Windsor SL4 1LD
Consent for replacement front door and occupant sign, new piers and alterations to existi…
25/00699/FULL
2025 Approved
Clairmont Cafe 5 High Street Windsor SL4 1LD
Consent for replacement front door and occupant sign, new piers and alterations to existi…
25/00700/LBC
2025
9A High Street Windsor
Creation of 3no. dwellings with ancillary storage units in basement, new external stairca…
25/01060/FULL
2025
9A High Street Windsor
Consent for internal alterations to create 3no. dwellings with ancillary storage units in…
25/01061/LBC
2023 Withdrawn
11 High Street Windsor
Internal alterations to first and second floor to facilitate the change of use of the fir…
23/02012/FULL
2023 Withdrawn
11 High Street Windsor
Consent for internal alterations to first and second floor to facilitate the change of us…
23/02013/LBC
2025 Refused
Welcome Southern Co-op 12 High Street Windsor SL4 1LT
Consent for the replacement of 7no. sash windows and 3no. french doors to the front eleva…
25/00082/LBC
2024 Approved
11 High Street Windsor
Consent for internal alterations to the first and second floor to facilitate a change of…
24/01231/LBC
2024 Approved
11 High Street Windsor
Change of use of the first and second floor from office to residential to create 4no. fla…
24/01230/FULL
2016 Approved
Mercure Castle Hotel 18 High Street Windsor SL4 1LJ
Consent for construction of third floor to provide an additional 30 guest bedrooms with a…
16/01389/LBC
2016 Approved
Mistress Pages House 13A High Street Windsor SL4 1LD
Change of use from office to dwelling with amendments to fenestration (previously approve…
16/00540/FULL
2016 Approved
Mistress Pages House 13A High Street Windsor SL4 1LD
Consent for internal alterations and amendments to fenestration to facilitate a single dw…
16/00541/LBC
2016 Approved
Royal Mews Castle Hill Windsor
Consent for the re-roofing of P. Locker Room roof with repairs to render and I-beams
16/00449/LBC
2016 Approved
NatWest 12 High Street Windsor SL4 1LT
Change of use of 1st and 2nd floor office to 3 x 1-bed and 1 x 2-bed flats, including int…
16/00407/LBC
Windsor and Maidenhead
Planning Authority Score
5.3/10
Average
#135 of 296 councils
Relevant to this application:
Change of use

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
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.