Trimstone Hermitage Lane Windsor SL4 4AZ

This site has had 4 applications since 2021: 3 approved, 1 refused.

• 22/02223/CPD Refused

  Trimstone Hermitage Lane Windsor SL4 4AZ

  Certificate of lawfulness to determine whether the proposed 3no. rear dormers and 10no. rooflights to facilitate a loft conversion is lawful.

  Decided 20 Oct 2022 Lawful development
• 21/03146/VAR Granted

  Trimstone Hermitage Lane Windsor SL4 4AZ

  Variation (under Section 73) of planning permission 21/00152/FULL to remove Condition 5 (Aircraft Noise).

  Decided 12 Jan 2022 Amendments
• 21/00152/FULL Granted

  Trimstone Hermitage Lane Windsor SL4 4AZ

  Replacement dwelling with associated parking.

  Decided 23 Apr 2021 Full applications

1. 22 Mar 2023

   Received by Windsor and Maidenhead

2. 22 May 2023

   Decision issued: Application Permitted

3. 12 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 22 May 2023, 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.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• Trimstone Hermitage Lane Windsor SL4 4AZ

  21/03146/VAR Submitted 22 Oct 2021 50 yards away

  Variation (under Section 73) of planning permission 21/00152/FULL to remove Condition 5 (Aircraft Noise).

  Granted Amendments 9 docs

• Trimstone Hermitage Lane Windsor SL4 4AZ

  21/00152/FULL Submitted 20 Jan 2021 50 yards away

  Replacement dwelling with associated parking.

  Granted Full applications 13 docs
  Domestic

• Trimstone Hermitage Lane Windsor SL4 4AZ

  22/02223/CPD Submitted 15 Aug 2022 50 yards away

  Certificate of lawfulness to determine whether the proposed 3no. rear dormers and 10no. rooflights to facilitate a loft conversion is lawful.

  Refused Lawful development Loft or dormer 5 docs

• Hermitage Lodge 5 Winkfield Road Windsor SL4 4BA

  21/01378/FULL Submitted 4 May 2021 100 yards away

  Alterations to the roof to include raising of part of the eaves and ridge to create a new first floor with x3 rear dormers and new first floor windows to both side elevations.

  Refused Full applications Loft or dormer Windows or glazing 13 docs

• Hermitage Lodge 5 Winkfield Road Windsor SL4 4BA

  20/03384/FULL Submitted 15 Dec 2020 100 yards away

  First floor rear extension with Juliet balcony and x1 new rooflight.

  Refused Full applications Extension Loft or dormer 12 docs

• S G Autopoint 437 - 441 St Leonards Road Windsor SL4 3DT

  23/01392/CONDIT Submitted 7 Jun 2023 100 yards away

  Details required by Conditions 2 (demolition plan), 3 (CEMP) and 4 (tree protection measures) of Planning Permission 19/01513 (allowed on appeal) for the demolition of the existing buildings on site and the erection of a 50-bed hotel with associated facilities.

  Granted Conditions Demolition Trees 15 docs

• 26/00814/VAR Granted

  Land West of Switchback Road North And North of Nightingale Lane Maidenhead

  Variation (under Section 73a) of planning permission 21/02963/FULL to vary the wording of Condition 8 (Drainage), 9 (Vehicles), 10 (Landscaping) and 11 (Painting) without complying with one month time limit.

  Received 27 Mar, published by the council 25 Jul 2026 Amendments
• 26/01411/VAR Granted

  Whiteladies Park Prince Albert Drive Ascot SL5 8AQ

  Variation (under Section 73) of Condition 11 to substitute those plans approved under 25/03016/FULL for the Redevelopment of existing dwelling, including demolition and reconstruction of western extension, the construction of an eastern extension including an indoor swimming pool, and creation of a basement area with amended plans.

  Received 8 Jun, published by the council 25 Jul 2026 Amendments
• 26/01792/VAR Granted

  Silver Birches St Marys Road Ascot SL5 9JE

  Variation (under Section 73) of Condition 9 (Approved Plans) to substitute those plans approved under 26/00205/FULL for a raised ridge, 2 no. front dormers and 1 no. rear dormer, 1no. side bay window, new chimney, single storey side/rear extension, alterations to fenestration and hardstanding, following demolition of existing elements with amended plans.

  Received 22 Jul, published by the council 31 Jul 2026 Amendments
• 26/02420/NMA Awaiting decision

  Development At King Street And Queen Street And Broadway Maidenhead

  Non material amendments to planning permission 25/00066/VAR as per covering letter.

  Received 2 Oct, published by the council 9 Oct 2026 Amendments
• 26/02152/NMA Granted

  Land Bounded By Ascot Fire Station Station Hill And West of Hermitage Parade And South of High Street Ascot SL5 7HF

  Non material amendments to planning permission 25/01050/FULL to amend the wording of Condition 8 (Bat Mitigation Scheme).

  Received 1 Sep, published by the council 8 Sep 2026 Amendments