Silwood Manor House Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

1. 31 Jan 2025

   Received by Windsor and Maidenhead

2. 27 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 March 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided tree works applications in a median of 48 days. More in our guide to how long planning decisions take.

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.

• Land At Silwood Park London Road Sunninghill Ascot

  21/02205/FULL Submitted 14 Jul 2021 150 yards away

  Change of use and Refurbishment of the Grade II listed Silwood Manor and attached Stables from D1 educational use to residential use to comprise 21 apartments (mix of 1, 2 and 3 bedrooms), plus associated external works to provide parking, access, and landscaping. Retention and refurbishment of Silwood Lodge. Erection of 13 new dwellings within the Silwood Park grounds comprising 9x 2-bed terraced houses, 1x 3-bed detached house, and 2x 2-bed apartments following the demolition of the existing outbuildings including access, parking, and landscaping. Reuse of existing site access from London Road

  Withdrawn Full applications New dwelling Demolition 197 docs
  Major scheme

• Land At Silwood Park London Road Sunninghill Ascot

  21/02206/LBC Submitted 14 Jul 2021 150 yards away

  Consent for change of use and refurbishment of the Grade II listed Silwood Manor and attached Stables from D1 educational use to residential use to comprise 21 apartments (mix of 1, 2 and 3 bedrooms). Retention and refurbishment of Silwood Lodge and the demolition of the existing outbuildings.

  Withdrawn Heritage and listed buildings New dwelling Demolition 99 docs
  Major scheme

• Land At Silwood Park London Road Sunninghill Ascot

  25/03408/CONDIT Submitted 24 Dec 2025 150 yards away

  Details required by Condition 4 (Surface Water Drainage Scheme) of planning permission 23/02311/FULL for a change of use and refurbishment of the Grade II listed Silwood Manor and attached stables to residential use comprising 21 apartments plus associated external works to provide parking, access, and landscaping. Retention, refurbishment and extension of Silwood Lodge. Erection of 14 new dwellings within the Silwood Park grounds following the demolition of the existing outbuildings including access, parking and landscaping. Reuse of existing site access from London Road.

  Granted Conditions New dwelling Extension +1 17 docs
  Major scheme

• Land At Silwood Park London Road Sunninghill Ascot SL5 7PZ

  26/01307/CONDIT Submitted 26 May 2026 150 yards away

  94% historically approved · decision due ~21 Jul

  Details required by Condition 19 (Details required of PV panels and ASHP) of planning permission 23/02311/FULL for a Change of use and refurbishment of the Grade II listed Silwood Manor and attached stables to residential use comprising 21 apartments plus associated external works to provide parking, access, and landscaping. Retention, refurbishment and extension of Silwood Lodge. Erection of 14 new dwellings within the Silwood Park grounds following the demolition of the existing outbuildings including access, parking and landscaping. Reuse of existing site access from London Road.

  Awaiting decision Conditions New dwelling Extension +1 4 docs
  Major scheme

• Land At Silwood Park London Road Sunninghill Ascot

  25/03240/CONDIT Submitted 9 Dec 2025 150 yards away

  Details required by Condition 17 (Precautionary Method Statement) of planning permission 23/02311/FULL for a Change of use and refurbishment of the Grade II listed Silwood Manor and attached stables to residential use comprising 21 apartments plus associated external works to provide parking, access, and landscaping. Retention, refurbishment and extension of Silwood Lodge. Erection of 14 new dwellings within the Silwood Park grounds following the demolition of the existing outbuildings including access, parking and landscaping. Reuse of existing site access from London Road.

  Granted Conditions New dwelling Extension +1 6 docs
  Major scheme

• Land At Silwood Park London Road Sunninghill Ascot

  23/02312/LBC Submitted 19 Sep 2023 150 yards away

  Consent for internal and external alterations and refurbishment of the Grade II listed Silwood Manor and attached stables to facilitate the conversion to residential use comprising 21 apartments

  Granted Heritage and listed buildings New dwelling 161 docs
  Major scheme

• 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