Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

This site has had 11 applications since 2020: 8 approved, 0 refused.

• 25/02716/TCA Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  (T1) Holly - Reduce height by 2m and shape round, leaving a final hight of 6m and spread of 5m. (T2) Lawson Cypress - Fell. (T3) Unknown - Fell.

  Decided 20 Nov 2025 Trees
• 22/01786/FULL Withdrawn

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

  Decided 15 Sep 2022 Full applications
• 22/01787/LBC Withdrawn

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Consent for a single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

  Decided 15 Sep 2022 Heritage and listed buildings
• 21/02276/TCA Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  T1 - Horse Chestnut - cut back from summer house, T2 - Lawson Cypress - reduce height by 3 meters, T5 - Sycamore - fell. T6 - Species unknown - fell, T7 - Ash - fell, T8 - Tulip tree - pollard to a height of 4m.

  Decided 1 Sep 2021 Trees
• 21/00759/LBC Withdrawn

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Consent for detached garage with workshop/storage above and extension to drive following demolition of existing garage.

  Decided 27 May 2021 Heritage and listed buildings
• 20/02498/CONDIT Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Details required by condition 2 (drawings and methodology) of listed building consent 20/00030/LBC for consent for a single storey rear extension with glazed link to the main dwelling.

  Decided 18 Nov 2020 Conditions
• 20/02313/CPD Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Certificate of lawfulness to determine whether the provision of a mobile home (not operational development) within the garden of the residential property for use as additional accommodation by one household (not a material change of use) is lawful.

  Decided 2 Nov 2020 Lawful development
• 20/01133/TCA Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  (T1) Lawson's Cypress - fell; (T20) Horse Chestnut - cut back north east side by 3 -4 meters where it encroaches in to the crown of Beech tree to leave 10m; (T23) Lawson's Cypress - crown reduce by 10-11m to leave a height of 4m and (T27) Lawson's Cypress - fell.

  Decided 5 Aug 2020 Trees
• 20/00030/LBC Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Consent for a single storey rear extension with glazed link to the main dwelling

  Decided 25 Feb 2020 Heritage and listed buildings
• 20/00029/FULL Granted

  Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  Single storey rear extension with glazed link to the main dwelling

  Decided 25 Feb 2020 Full applications

1. 31 Oct 2025

   Received by Windsor and Maidenhead

2. 22 Dec 2025

   Decision issued: Application Permitted

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 22 December 2025, 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• Court Cottage Dean Lane Cookham Maidenhead SL6 9AF

  21/02274/TCA Submitted 21 Jul 2021 50 yards away

  T1 - Ash - fell.

  Granted Trees 7 docs

• Hamilton Lodge Dean Lane Cookham Maidenhead SL6 9AF

  21/00032/TCA Submitted 6 Jan 2021 50 yards away

  T1 - T5 Leylandii - Crown reduction by 4-5m in height, 2-3m in width and crown lift by 1-2m to leave an overall diameter of 6m; T2 Leylandii - fell; T7 Ash - Crown reduction by 6m in height and 3m in width, crown lift by 1m to leave an overall diameter of 8m.

  Granted Trees 6 docs

• Little Dean Dean Lane Cookham Maidenhead SL6 9AF

  25/02834/TCA Submitted 24 Oct 2025 50 yards away

  (T1) Apple - crown reduce by 1m, leaving a final height of 6m and spread of 3.5m and (T2) Apple - crown reduce by 1m, leaving a final height of 5.5m and spread of 3.5m.

  Granted Trees 6 docs

• Little Dean Dean Lane Cookham Maidenhead SL6 9AF

  24/03141/TCA Submitted 20 Dec 2024 50 yards away

  (T1) Holly - Reduce in height by 2m leaving a final height of 10.5m and spread of 4.5m.

  Granted Trees 7 docs

• Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  22/01787/LBC Submitted 1 Jul 2022 50 yards away

  Consent for a single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

  Withdrawn Heritage and listed buildings Extension Windows or glazing 16 docs
  Small domestic

• Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

  22/01786/FULL Submitted 4 Jul 2022 50 yards away

  Single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

  Withdrawn Full applications Extension Windows or glazing 17 docs
  Small domestic

• 26/02457/TPO Awaiting decision

  Chadwicke House Sunning Avenue Sunningdale Ascot SL5 9PW

  (T1) Beech - selectively reduce the northern side of the crown by up to 2m, reducing the crown spread in this area from approximately 15m to 13m, reduction will target the longest sections of the crown, pruning back to suitable growth points and crown lift to approximately 5m above ground level. (033/2005/TPO).

  Received 8 Oct, published by the council 12 Oct 2026 Trees
• 26/01945/TCA Granted

  Chandlers Pinkneys Drive Maidenhead SL6 6QD

  (T1) Spruce - Fell.

  Received 6 Aug, published by the council 16 Aug 2026 Trees
• 26/01392/TCA Granted

  3 Camden Road Maidenhead SL6 6HA

  T1 Cherry - prune to give 5.3m clearance directly over the road, 2.5m clearance over the pavement, prune to give up to 1m clearance to the front elevation of the house, and to provide up to 0.3m clearance to the overhead telephone wires removing secondary branches and smaller growth only; and crown lift to 2.5m above ground level, T2, T3 and T4 - Leyland cypress hedge - fell, T5 - Willow - fell and T6 - Whitebeam - fell.

  Received 5 Jun, published by the council 25 Jul 2026 Trees
• 26/02215/TCA Granted

  20 King Stable Street Eton Windsor SL4 6AB

  Magnolia grandiflora - fell.

  Received 8 Sep, published by the council 12 Sep 2026 Trees
• 26/02448/TPO Awaiting decision

  Green Shadows Hancocks Mount Ascot SL5 9PQ

  (T2) - Sweet Chestnut - Reduce two branches, branch A by 2.5m and branch B by 3m, overhanging the roof and chimney and to a distance of 1m from the house, leaving a final height of 17m and width perpendicular to the house from 15m to 12m. (003/1990/TPO).

  Received 7 Oct, published by the council 12 Oct 2026 Trees