45 Cell Farm Avenue Old Windsor Windsor SL4 2PD

1. 26 Mar 2020

   Received by Windsor and Maidenhead

2. 21 May 2020

   Decision issued: Permitted Development

3. 12 Oct 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 21 May 2020, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 47 Cell Farm Avenue Old Windsor Windsor SL4 2PD

  26/00906/CPD Submitted 10 Apr 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed hip to gable roof alteration is lawful.

  Granted Lawful development Loft or dormer 8 docs

• 37 Cell Farm Avenue Old Windsor Windsor SL4 2PD

  21/03357/CPD Submitted 12 Nov 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey rear extension and alterations to fenestration is lawful.

  Granted Lawful development Extension Windows or glazing 10 docs
  Small domestic

• 28 Cell Farm Avenue Old Windsor Windsor SL4 2PD

  20/02278/PDXL Submitted 3 Sep 2020 50 yards away

  Single storey rear extension no greater than 3.38m in depth, 3.31m high with an eaves height of 2.39m.

  Granted Prior approval Extension 9 docs
  Small domestic

• 43 Meadow Way Old Windsor Windsor SL4 2NX

  21/02656/FULL Submitted 31 Aug 2021 50 yards away

  Single storey side/rear extension, relocation of existing front door and alteration to fenestration following demolition of existing elements.

  Granted Full applications Extension Demolition +1 10 docs
  Small domestic

• 23 Meadow Close Old Windsor Windsor SL4 2PB

  22/01302/FULL Submitted 16 May 2022 50 yards away

  Hip to gable to accommodate a loft conversion to include x2 front rooflights and x1 rear dormer, single storey rear extension and alteration to door on side elevation following demolition of existing garage.

  Granted Full applications Extension Loft or dormer +1 16 docs
  Small domestic

• 6 Meadow Close Old Windsor Windsor SL4 2PB

  22/02799/FULL Submitted 17 Oct 2022 100 yards away

  Garage conversion, part single, part two storey rear extension, first floor front extension, 2no. front rooflights and 1no. rear dormer.

  Refused Full applications Extension Loft or dormer 10 docs

• 26/02222/CPD Refused

  52 Audley Way Ascot SL5 8EF

  Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

  Received 8 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01954/CPD Withdrawn

  Mulberry House Waltham Road Maidenhead SL6 3NH

  Certificate of lawfulness to determine whether the single storey rear extension is lawful.

  Received 7 Aug, published by the council 16 Aug 2026 Lawful development
• 26/01856/CLU Granted

  Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

  Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

  Received 28 Jul, published by the council 24 Aug 2026 Lawful development
• 26/02022/CPD Refused

  14 Church View White Waltham Maidenhead SL6 3JQ

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

  Received 17 Aug, published by the council 2 Sep 2026 Lawful development
• 26/01862/CLU Granted

  Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

  Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

  Received 29 Jul, published by the council 4 Aug 2026 Lawful development