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Planning application

Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

Refused Windsor and Maidenhead 26/01000/NMA Non-material Amendment

Works: Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Non material amendments to planning permission 24/00456/FULL for alterations to fenestration on the first and second floor.

As published by the council, reference 26/01000/NMA

Application record

Reference
26/01000/NMA
Type
Non-material Amendment
Status
Decided
Decision
Refuse
Received
22 Apr 2026
Validated
22 Apr 2026
Decided
15 May 2026
Ward
Eton And Castle
Parish
Eton Town Council
Decision by
Delegated
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.

  • 26/01773/TCA Granted

    Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    (T1) Horse chestnut - Fell.

    Decided 25 Aug 2026 Trees
  • 26/01270/VAR Awaiting decision

    Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    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.

    Submitted 20 May 2026 Amendments
  • 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.

    Decided 12 May 2026 Conditions
  • 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.

    Decided 13 Mar 2026 Conditions
  • 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.

    Decided 13 Jan 2026 Conditions
  • 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.

    Decided 2 Feb 2026 Conditions
  • 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.

    Decided 20 Nov 2025 Conditions
  • 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.

    Decided 28 Oct 2025 Conditions
  • 24/02163/TCA Granted

    Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    T2 - Apple tree - fell.

    Decided 10 Oct 2024 Trees

Timeline

Dates from the published record

  1. 22 Apr 2026

    Received by Windsor and Maidenhead

  2. 15 May 2026

    Decision issued: Refuse

  3. 25 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

11 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 documents

What this refusal means

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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

    25/02572/CONDIT Submitted 1 Oct 2025 0m away

    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 docs
    Small domestic

  • Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    25/03055/CONDIT Submitted 19 Nov 2025 0m away

    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 docs
    Small domestic

  • Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    26/00299/CONDIT Submitted 3 Feb 2026 0m away

    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 docs
    Small domestic

  • Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    25/02535/CONDIT Submitted 26 Sep 2025 0m away

    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 docs
    Small domestic

  • Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    26/01270/VAR Submitted 20 May 2026 0m away

    71% historically approved · decision due ~23 Jul

    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.

    Awaiting decision Amendments Extension Demolition +1 25 docs
    Small domestic

  • Cotton Hall House Eton College Eton Wick Road Eton Windsor SL4 6HA

    25/02293/CONDIT Submitted 4 Sep 2025 0m away

    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 docs
    Small domestic

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).

    29 Jul 2026 Amendments
  • 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.

    11 Sep 2026 Amendments
  • 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.

    15 Dec 2025 Amendments
  • 26/02137/NMA Refused

    Woodhaven 8 Dawnay Close Ascot SL5 7PQ

    Non material amendments to planning permission 23/02519/FULL as per supporting document.

    28 Aug 2026 Amendments
  • 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).

    10 Aug 2026 Amendments