13 William Ellis Close Old Windsor Windsor SL4 2QS

This site has had 4 applications since 2026: 1 approved, 1 refused.

• 26/01942/CONDIT Withdrawn

  13 William Ellis Close Old Windsor Windsor SL4 2QS

  Details required by Condition 4 (Approved plans) (partial discharge) of planning permission 26/00355/FULL for a Single storey front extension with enclosed entrance and alterations to fenestration.

  Decided 20 Aug 2026 Conditions
• 26/01402/NMA Refused

  13 William Ellis Close Old Windsor Windsor SL4 2QS

  Non material amendments to planning permission 26/00355/FULL for the enlargement of the single storey front extension, alterations to the front mono pitched roof and window openings, 1no. front canopy and repositioning of the 2no. rooflights.

  Decided 2 Jul 2026 Amendments
• 26/00355/FULL Granted

  13 William Ellis Close Old Windsor Windsor SL4 2QS

  Single storey front extension with enclosed entrance and alterations to fenestration.

  Decided 8 Apr 2026 Full applications

1. 28 Aug 2026

   Received by Windsor and Maidenhead

2. 8 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 23 October 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.

• 26/00355/FULL Granted

  13 William Ellis Close Old Windsor Windsor SL4 2QS

  Single storey front extension with enclosed entrance and alterations to fenestration.

  Decided 8 Apr 2026 Full applications

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.

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.

• 13 William Ellis Close Old Windsor Windsor SL4 2QS

  26/01402/NMA Submitted 8 Jun 2026 50 yards away

  Non material amendments to planning permission 26/00355/FULL for the enlargement of the single storey front extension, alterations to the front mono pitched roof and window openings, 1no. front canopy and repositioning of the 2no. rooflights.

  Refused Amendments Extension Loft or dormer +1 8 docs
  Small domestic

• 13 William Ellis Close Old Windsor Windsor SL4 2QS

  26/00355/FULL Submitted 11 Feb 2026 50 yards away

  Single storey front extension with enclosed entrance and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 21 docs
  Small domestic

• 13 William Ellis Close Old Windsor Windsor SL4 2QS

  26/01942/CONDIT Submitted 6 Aug 2026 50 yards away

  Details required by Condition 4 (Approved plans) (partial discharge) of planning permission 26/00355/FULL for a Single storey front extension with enclosed entrance and alterations to fenestration.

  Withdrawn Conditions Extension Windows or glazing 10 docs
  Small domestic

• 15 William Ellis Close Old Windsor Windsor SL4 2QS

  23/01955/FULL Submitted 8 Aug 2023 50 yards away

  Detached garden annex following the demolition of the existing outbuildings.

  Granted Full applications Demolition 20 docs

• 20 St Andrews Close Old Windsor Windsor SL4 2QU

  21/03489/FULL Submitted 25 Nov 2021 50 yards away

  Single storey wrap around extension (front/side/rear)

  Granted Full applications Extension 10 docs
  Small domestic

• Rostrevor 78 St Lukes Road Old Windsor Windsor SL4 2QJ

  22/01558/FULL Submitted 9 Jun 2022 50 yards away

  Single storey side/rear extension and alterations to fenestration following the demolition of the existing garage.

  Granted Full applications Extension Demolition +1 10 docs
  Small domestic

• 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