Gantry House School Lane Cookham Maidenhead SL6 9QN

This site has had 4 applications since 2021: 3 approved, 0 refused.

• 22/01678/FULL Granted

  Gantry House School Lane Cookham Maidenhead SL6 9QN

  Replacement and raising of the roof, loft conversion, x5 new rooflights, replacement and enlargement of existing gantry and x1 new dormer to east elevation.

  Decided 16 Sep 2022 Full applications
• 21/03745/TCA Granted

  Gantry House School Lane Cookham Maidenhead SL6 9QN

  Fig - reduce the height by 1.5m to leave a final height of 6.5m and reduce the crown by 1m.

  Decided 11 Feb 2022 Trees
• 21/01856/FULL Withdrawn

  Gantry House School Lane Cookham Maidenhead SL6 9QN

  Replacement roof with infill roof extension and increased ridge height, projecting side dormer and alterations to fenestration to facilitate a loft conversion.

  Decided 27 Oct 2021 Full applications

1. 19 Jan 2026

   Received by Windsor and Maidenhead

2. 21 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Feb 2026

   Decision issued: Application Permitted

4. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 20 February 2026, 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.

• Gantry House School Lane Cookham Maidenhead SL6 9QN

  21/01856/FULL Submitted 15 Jun 2021 50 yards away

  Replacement roof with infill roof extension and increased ridge height, projecting side dormer and alterations to fenestration to facilitate a loft conversion.

  Withdrawn Full applications Extension Loft or dormer +2 24 docs

• Gantry House School Lane Cookham Maidenhead SL6 9QN

  22/01678/FULL Submitted 20 Jun 2022 50 yards away

  Replacement and raising of the roof, loft conversion, x5 new rooflights, replacement and enlargement of existing gantry and x1 new dormer to east elevation.

  Granted Full applications Loft or dormer 22 docs

• Maltings Cottage School Lane Cookham Maidenhead SL6 9QN

  23/01531/TCA Submitted 22 Jun 2023 50 yards away

  T1 - Magnolia - Crown reduction by 1.5-2m, leaving a final height of 5m and spread of 6m, reduce overhanging branches on boundary by 1-2m.

  Granted Trees 6 docs

• Gantry House School Lane Cookham Maidenhead SL6 9QN

  21/03745/TCA Submitted 22 Dec 2021 50 yards away

  Fig - reduce the height by 1.5m to leave a final height of 6.5m and reduce the crown by 1m.

  Granted Trees 7 docs

• The Tannery House School Lane Cookham Maidenhead SL6 9QN

  21/02285/FULL Submitted 22 Jul 2021 50 yards away

  Alterations to fenestration following demolition of existing conservatory,

  Granted Full applications Extension Demolition +1 15 docs

• The Maltings High Street Cookham Maidenhead SL6 9SL

  24/02341/CONDIT Submitted 27 Sep 2024 50 yards away

  Details required by Condition 2 (Biodiversity Enhancements) and Condition 4 (External Materials) of planning permission 23/03076/FULL for a replacement single storey infill extension with new lantern rooflight, replacement tiles to front bay window and bricks to top section of chimney at rear, repairs to windows on side elevation and to front gate pier.

  Granted Conditions Extension Loft or dormer +1 12 docs
  Small domestic

• 26/01982/TPO Granted

  Knights Kingdom Legoland Windsor Resort Winkfield Road Windsor

  G3 - Acer - Prune clear of building by 2m, lateral growth on north side after pruning will be 2.5m, G4 - Oak - Prune clear of building by 2m lateral growth on west side after pruning will be 7m (003/1963/TPO).

  Received 11 Aug, published by the council 24 Aug 2026 Trees
• 26/00667/TPO Split decision

  Styles Charters Road Sunningdale Ascot SL5 9QD

  (T1) Lime - Reduce height by 7m and reduce spread by 6m to leave finished height of 12m and finished spread of 10m. (T2) Oak - Fell to ground level. (T3) Oak - Remove 2 x lowest branches that have been previously cut back. The two branches have previously been stubbed and it would be more appropriate for these branches to be removed entirely. (T4) Oak - Reduce spread on NW side to previous pruning points to leave finished spread of 5m. (003/2023/TPO)

  Received 12 Mar, published by the council 25 Jul 2026 Trees
• 26/01998/TCA Granted

  Mayflower New Road Hurley Maidenhead SL6 5LN

  (T1) Eucalyptus - Fell.

  Received 12 Aug, published by the council 16 Aug 2026 Trees
• 26/01964/TCA Granted

  Baldwins End Cottage Eton College Baldwins Shore Eton Windsor SL4 6DB

  (048G) Beech - Fell to ground level

  Received 10 Aug, published by the council 16 Aug 2026 Trees
• 26/02235/TCA Awaiting decision

  32 Edinburgh Gardens Windsor SL4 2AW

  3no. Apple trees - Crown reduction to a final height of 3m and spread of 2.5m.

  Received 9 Sep, published by the council 18 Sep 2026 Trees