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Planning application

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

Awaiting decision Windsor and Maidenhead 26/01270/VAR Variation Under Reg 73

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 11 applications since 2024: 9 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
  • 26/01000/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.

    Decided 15 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
  • 24/00456/FULL Granted

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

    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 14 Jan 2025 Full applications

Timeline

Dates from the published record

  1. 20 May 2026

    Received by Windsor and Maidenhead

  2. 28 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 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 56 days over the applications it decided in the last year.

Documents

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

27 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What 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 49 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 0.3 miles

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

    24/00456/FULL Submitted 20 Feb 2024 50 yards away

    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 Full applications Extension Demolition +1 129 docs
    Small domestic

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

    25/02572/CONDIT Submitted 1 Oct 2025 50 yards 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 50 yards 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 50 yards 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 50 yards 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

    26/01000/NMA Submitted 22 Apr 2026 50 yards away

    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

In Windsor and Maidenhead

  • 26/00814/VAR Granted

    Land West of Switchback Road North And North of Nightingale Lane Maidenhead

    Variation (under Section 73a) of planning permission 21/02963/FULL to vary the wording of Condition 8 (Drainage), 9 (Vehicles), 10 (Landscaping) and 11 (Painting) without complying with one month time limit.

    Received 27 Mar, published by the council 25 Jul 2026 Amendments
  • 26/01411/VAR Granted

    Whiteladies Park Prince Albert Drive Ascot SL5 8AQ

    Variation (under Section 73) of Condition 11 to substitute those plans approved under 25/03016/FULL for the Redevelopment of existing dwelling, including demolition and reconstruction of western extension, the construction of an eastern extension including an indoor swimming pool, and creation of a basement area with amended plans.

    Received 8 Jun, published by the council 25 Jul 2026 Amendments
  • 26/01792/VAR Granted

    Silver Birches St Marys Road Ascot SL5 9JE

    Variation (under Section 73) of Condition 9 (Approved Plans) to substitute those plans approved under 26/00205/FULL for a raised ridge, 2 no. front dormers and 1 no. rear dormer, 1no. side bay window, new chimney, single storey side/rear extension, alterations to fenestration and hardstanding, following demolition of existing elements with amended plans.

    Received 22 Jul, published by the council 31 Jul 2026 Amendments
  • 26/02420/NMA Awaiting decision

    Development At King Street And Queen Street And Broadway Maidenhead

    Non material amendments to planning permission 25/00066/VAR as per covering letter.

    Received 2 Oct, published by the council 9 Oct 2026 Amendments
  • 26/02152/NMA Granted

    Land Bounded By Ascot Fire Station Station Hill And West of Hermitage Parade And South of High Street Ascot SL5 7HF

    Non material amendments to planning permission 25/01050/FULL to amend the wording of Condition 8 (Bat Mitigation Scheme).

    Received 1 Sep, published by the council 8 Sep 2026 Amendments