Delamead Onslow Road Sunningdale Ascot SL5 0HW

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

• 25/02546/FULL Granted

  Delamead Onslow Road Sunningdale Ascot SL5 0HW

  1no. outbuilding ancillary to the main dwelling.

  Decided 17 Dec 2025 Full applications
• 21/02774/FULL Granted

  Delamead Onslow Road Sunningdale Ascot SL5 0HW

  First floor front and side extensions, single and two storey rear extensions, part garage conversion into habitable accommodation, x1 new front canopy, alteration to existing roof over garage, external finishes and to fenestration following demolition of existing conservatory.

  Decided 17 Dec 2021 Full applications

1. 16 Aug 2021

   Received by Windsor and Maidenhead

2. 14 Oct 2021

   Decision issued: Application Permitted

3. 16 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 14 October 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.

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.

• Delamead Onslow Road Sunningdale Ascot SL5 0HW

  25/02546/FULL Submitted 29 Sep 2025 50 yards away

  1no. outbuilding ancillary to the main dwelling.

  Granted Full applications 11 docs
  Small domestic

• Delamead Onslow Road Sunningdale Ascot SL5 0HW

  21/02774/FULL Submitted 13 Sep 2021 50 yards away

  First floor front and side extensions, single and two storey rear extensions, part garage conversion into habitable accommodation, x1 new front canopy, alteration to existing roof over garage, external finishes and to fenestration following demolition of existing conservatory.

  Granted Full applications Extension Demolition +1 18 docs

• Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

  23/00963/FULL Submitted 19 Apr 2023 50 yards away

  Detached garage and new entrance gates

  Granted Full applications 20 docs

• Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

  22/01543/FULL Submitted 8 Jun 2022 50 yards away

  Replacement detached dwelling

  Granted Full applications New dwelling 46 docs
  Domestic

• Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

  22/02833/CONDIT Submitted 21 Oct 2022 50 yards away

  Details required by condition 2 (external materials), 7 (hard and soft landscaping), 8 (biodiversity net gain), 12 (surface water drainage) and 13 (PV and air source heat pump) for planning permission (22/01543/FULL) for a replacement detached dwelling.

  Granted Conditions New dwelling 29 docs
  Domestic

• Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

  22/02801/VAR Submitted 17 Oct 2022 50 yards away

  Variation (under Section 73) of Condition 14 (Approved Plans) to substitute those plans approved under 22/01543/FULL for a replacement detached dwelling with amended plans.

  Granted Amendments New dwelling 21 docs
  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