Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

This site has had 4 applications since 2020: 4 approved, 0 refused.

• 20/01143/CPD Granted

  Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  Certificate of lawfulness to determine whether the proposed two single storey side extensions are lawful.

  Decided 24 Jun 2020 Lawful development
• 20/01144/CPD Granted

  Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  Certificate of lawfulness to determine whether the proposed outbuilding is lawful.

  Decided 24 Jun 2020 Lawful development
• 20/01154/PDXL Granted

  Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  Single storey rear extension no greater than 8m in depth, 4m high with an eaves height of 2.70m.

  Decided 23 Jun 2020 Prior approval

1. 28 Oct 2021

   Received by Windsor and Maidenhead

2. 21 Dec 2021

   Decision issued: Permitted Development

3. 16 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 21 December 2021, 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.

• Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  20/01143/CPD Submitted 20 May 2020 50 yards away

  Certificate of lawfulness to determine whether the proposed two single storey side extensions are lawful.

  Granted Lawful development Extension 11 docs
  Small domestic

• Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  20/01144/CPD Submitted 20 May 2020 50 yards away

  Certificate of lawfulness to determine whether the proposed outbuilding is lawful.

  Granted Lawful development 10 docs

• Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  20/01154/PDXL Submitted 20 May 2020 50 yards away

  Single storey rear extension no greater than 8m in depth, 4m high with an eaves height of 2.70m.

  Granted Prior approval Extension 12 docs
  Small domestic

• Applewood Alleyns Lane Cookham Maidenhead SL6 9AD

  25/02901/TPO Submitted 3 Nov 2025 50 yards away

  T1 - Oak tree - fell (019/2010/TPO).

  Granted Trees 13 docs

• Mulberry Lodge Alleyns Lane Cookham Maidenhead SL6 9AD

  22/00164/FULL Submitted 24 Jan 2022 50 yards away

  Decrease size of x1 garage door, raising of the eves and ridge with x1 front Juliet balcony, x2 side dormers and x1 side gable on NE elevation, x1 side dormer and alteration to existing chimney on SW elevation, x1 front dormers, x2 front gables to NW elevation, x1 rear gable, x1 rear dormer and first floor extension on SE elevation to enlarge existing accommodation in roof space, alterations to external finishes and fenestration.

  Granted Full applications Extension Loft or dormer +1 18 docs

• Mulberry Lodge Alleyns Lane Cookham Maidenhead SL6 9AD

  21/03157/VAR Submitted 25 Oct 2021 100 yards away

  Variation (under Section 73a) of planning permission 09/01137/FULL without complying with Condition 2 matching materials to alter the design of the proposal, to include an increase in ridge height of the gable, and a new double gabled dormer.

  Withdrawn Amendments Loft or dormer Roofing 14 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