6 Castle Avenue Datchet Slough SL3 9BA

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/00454/FULL Refused

  6 Castle Avenue Datchet Slough SL3 9BA

  Detached outbuilding with terrace ancillary to the main dwelling.

  Decided 16 Apr 2026 Full applications

1. 1 May 2026

   Received by Windsor and Maidenhead

2. 24 Jun 2026

   Decision issued: Application Permitted

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 24 June 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 6 Castle Avenue Datchet Slough SL3 9BA

  26/00454/FULL Submitted 20 Feb 2026 50 yards away

  Detached outbuilding with terrace ancillary to the main dwelling.

  Refused Full applications 10 docs
  Small domestic

• 8 Castle Avenue Datchet Slough SL3 9BA

  21/00867/CPD Submitted 19 Mar 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed side dormer to facilitate additional habitable accommodation in loft space is lawful.

  Granted Lawful development Loft or dormer 8 docs

• 4 Castle Avenue Datchet Slough SL3 9BA

  23/02493/FULL Submitted 10 Oct 2023 50 yards away

  Single storey front extension, single storey rear extension, partial garage conversion, 1no. side dormer, enlargement and alterations of existing front and rear dormers and alterations to fenestration (retrospective).

  Refused Full applications Extension Loft or dormer +1 20 docs
  Small domestic

• 10 Castle Avenue Datchet Slough SL3 9BA

  23/00353/PDXL Submitted 8 Feb 2023 50 yards away

  Single storey rear extension no greater than 6.7m in depth, 3.6m high with an eaves height of 2.7m.

  Refused Prior approval Extension 8 docs
  Small domestic

• 10 Castle Avenue Datchet Slough SL3 9BA

  22/01288/CPD Submitted 12 May 2022 50 yards away

  Certificate of lawfulness to determine whether the alterations and extension to first floor roof space are lawful

  Granted Lawful development Extension 10 docs

• 10 Castle Avenue Datchet Slough SL3 9BA

  21/01678/FULL Submitted 1 Jun 2021 50 yards away

  Single storey side/rear extension, hip to gable with x2 front dormers, x1 rear dormer, x1 new door to side elevation, x1 new rooflight to rear extension and alteration to fenestration.

  Withdrawn Full applications Extension Loft or dormer +1 16 docs
  Small domestic

• 26/02029/FULL Granted

  5 Kimber Close Windsor SL4 4BJ

  Single storey rear extension.

  Received 17 Aug, published by the council 27 Aug 2026 Full applications
• 26/01955/FULL Granted

  2 Holmlea Road Datchet Slough SL3 9HQ

  Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

  Received 7 Aug, published by the council 27 Aug 2026 Full applications
• 26/01121/FULL Granted

  Zain House 15 Wilton Crescent Windsor SL4 4YJ

  Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

  Received 6 May, published by the council 11 Aug 2026 Full applications
• 26/01977/FULL Granted

  9 St Marks Place Windsor SL4 3BG

  Garage conversion and alterations to fenestration.

  Received 11 Aug, published by the council 24 Aug 2026 Full applications
• 26/01804/FULL Granted

  16 Devereux Road Windsor SL4 1JJ

  Installation of air conditioning compressor unit to the first floor side elevation.

  Received 23 Jul, published by the council 24 Aug 2026 Full applications