Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

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

• 21/03201/CPD Granted

  Alleyn House Alleyns Lane Cookham Maidenhead SL6 9AD

  Certificate of lawfulness to determine whether the proposed x2 outbuildings are lawful.

  Decided 21 Dec 2021 Lawful development
• 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

1. 20 May 2020

   Received by Windsor and Maidenhead

2. 23 Jun 2020

   Decision issued: Prior Approval Not Required

3. 12 Oct 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 23 June 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. 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

  21/03201/CPD Submitted 28 Oct 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed x2 outbuildings are lawful.

  Granted Lawful development 9 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 50 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

• Applewood Alleyns Lane Cookham Maidenhead SL6 9AD

  25/02901/TPO Submitted 3 Nov 2025 100 yards away

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

  Granted Trees 13 docs

• 26/02170/PDXL Granted

  15 Cell Farm Avenue Old Windsor Windsor SL4 2PD

  Single storey rear extension no greater than 5.00m in depth, 2.85m high with an eaves height of 2.85m following demolition of the existing elements.

  Received 3 Sep, published by the council 12 Sep 2026 Prior approval
• 26/02445/PDXL Awaiting decision

  Mulberry House Waltham Road Maidenhead SL6 3NH

  Single storey rear extension no greater than 7.88m in depth, 3.50m high with an eaves height of 3.00m.

  Received 7 Oct, published by the council 9 Oct 2026 Prior approval
• 26/02001/CLAMA Granted

  158 Blackamoor Lane Maidenhead SL6 8RN

  Prior approval for the change of use of the ground floor from Use Class Eg(iii) to form 8 no. x 1 bedroom flats.

  Received 13 Aug, published by the council 24 Aug 2026 Prior approval
• 26/02425/PDXL Awaiting decision

  Eton Manor 60 Eton Road Datchet Slough SL3 9AY

  Single storey rear extension no greater than 6.00m in depth, 3.00m high with an eaves height of 2.75m.

  Received 5 Oct, published by the council 9 Oct 2026 Prior approval
• 26/02007/PDXL Refused

  18 Bradshaw Close Windsor SL4 5PS

  Single storey rear extension no greater than 3.60m in depth, 3.77m high with an eaves height of 2.43m.

  Received 13 Aug, published by the council 24 Aug 2026 Prior approval