Planning application
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Works: Extension Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation (under Section 73a) of Condition 25 to substitute those plans approved under 24/00456/FULL for the Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works with amended plans.
As published by the council, reference 26/01270/VAR
Application record
- Reference
- 26/01270/VAR
- Type
- Variation Under Reg 73
- Status
- Awaiting decision
- Received
- 20 May 2026
- Validated
- 28 May 2026
- Ward
- Eton And Castle
- Parish
- Eton Town Council
- Postcode
- SL4 6HA
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 10 applications since 2024: 8 approved, 1 refused.
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26/01773/TCA Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
(T1) Horse chestnut - Fell.
-
26/01000/NMA Refused
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Non material amendments to planning permission 24/00456/FULL for alterations to fenestration on the first and second floor.
-
26/00787/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 7 (Railings (Dame's accommodation)) of planning permission 24/00456/FULL for the Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
26/00299/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 12 (Flood Warning and Evacuation Plan) of planning permission 24/00456/FULL for the Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
25/03055/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 15 (Service And Utility Runs) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
25/02572/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 24 (Air Source Heat Pump Details) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
25/02535/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 13 (details of solar panels) of planning permission 24/00456/FULL for a Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
25/02293/CONDIT Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 5 (Metal Pressings) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
-
24/02163/TCA Granted
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
T2 - Apple tree - fell.
Timeline
Dates from the published record
-
20 May 2026
Received by Windsor and Maidenhead
-
28 May 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 23 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Windsor and Maidenhead took a median of 55 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
25 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided amendment applications in a median of 46 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 24 (Air Source Heat Pump Details) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
Granted Conditions Extension Demolition +1 10 docsSmall domestic -
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 15 (Service And Utility Runs) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
Granted Conditions Extension Demolition +1 5 docsSmall domestic -
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 12 (Flood Warning and Evacuation Plan) of planning permission 24/00456/FULL for the Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
Granted Conditions Extension Demolition +1 7 docsSmall domestic -
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 13 (details of solar panels) of planning permission 24/00456/FULL for a Part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
Granted Conditions Extension Demolition +1 6 docsSmall domestic -
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Non material amendments to planning permission 24/00456/FULL for alterations to fenestration on the first and second floor.
Refused Amendments Windows or glazing 11 docs -
Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA
Details required by Condition 5 (Metal Pressings) of planning permission 24/00456/FULL for the part demolition of existing elements, single storey extension with plant room to North West elevation, replacement external fire escape to South West elevation, single storey extension to North East / South East elevation, new balcony on North East elevation, three storey extension to South East elevation with replacement main entrance, alterations to fenestration, enlargement of existing patio, new cycle store and associated works.
Granted Conditions Extension Demolition +1 8 docsSmall domestic
Other amendment applications
In Windsor and Maidenhead
-
26/01860/VAR Refused
72 - 72B High Street Sunninghill Ascot
Variation (under Section 73A) of planning permission 22/01291/FULL without complying with Condition 8 (Electric Vehicle Charging Point).
-
26/02252/VAR Awaiting decision
18 Forlease Drive Maidenhead SL6 1UD
Variation (under Section 73a) of Condition 4 to substitute those plans approved under 26/00518/FULL for the Garage conversion and single storey front/side extension with amended plans.
-
25/03312/VAR Granted
Land South of Bray Lake Windsor Road Maidenhead
Variation (under Section 73) of Condition 29 (Approved Plans) to substitute those plans approved under 22/01791/OUT for an outline application for access, appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the construction of x99 dwellings with associated vehicular and pedestrian access, car parking, drainage works and open space with amended plans.
-
26/02137/NMA Refused
Woodhaven 8 Dawnay Close Ascot SL5 7PQ
Non material amendments to planning permission 23/02519/FULL as per supporting document.
-
26/01975/VAR Withdrawn
2 And LAnd At 2 Westfield Road Maidenhead SL6 5AU
Variation (under Section 73) of planning permission 25/01013/FULL to remove Condition 15 (BNG).