18 The Avenue Old Windsor Windsor SL4 2RS

1. 30 Apr 2021

   Received by Windsor and Maidenhead

2. 20 Jul 2021

   Decision issued: Permitted Development

3. 27 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 20 July 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 17 The Avenue Old Windsor Windsor SL4 2RS

  22/03322/CPD Submitted 14 Dec 2022 50 yards away

  Certificate of lawfulness to determine whether the loft conversion into habitable accommodation and x1 rear dormer is lawful.

  Granted Lawful development Loft or dormer 7 docs

• 17 The Avenue Old Windsor Windsor SL4 2RS

  22/03324/PDXL Submitted 14 Dec 2022 50 yards away

  Single storey rear extension no greater than 5.00m in depth, 3.65m high with an eaves height of 2.62m.

  Granted Prior approval Extension 8 docs
  Small domestic

• 15 The Avenue Old Windsor Windsor SL4 2RS

  26/00306/CPD Submitted 4 Feb 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed detached outbuilding incidental to the main dwelling is lawful.

  Granted Lawful development 8 docs
  Small domestic

• 7 Meadow Way Old Windsor Windsor SL4 2NX

  21/01803/FULL Submitted 10 Jun 2021 50 yards away

  New front porch.

  Granted Full applications Extension 11 docs
  Small domestic

• 14 The Avenue Old Windsor Windsor SL4 2RS

  22/01794/FULL Submitted 4 Jul 2022 50 yards away

  Part single part two storey side/rear extension and hip to gable loft conversion with x2 front rooflights and x1 rear dormer.

  Refused Full applications Extension Loft or dormer 9 docs

• 9 Meadow Way Old Windsor Windsor SL4 2NX

  21/00358/FULL Submitted 8 Feb 2021 50 yards away

  Formation of rear dormer with balcony to accommodate a loft conversion and x3 rooflights to front elevation.

  Granted Full applications Loft or dormer 9 docs

• 26/01743/CPD Refused

  1 Aston Mead Windsor SL4 5PW

  Certificate of lawfulness to determine whether the proposed replacement single storey rear extension is lawful.

  Received 16 Jul, published by the council 31 Jul 2026 Lawful development
• 26/01828/CPU Granted

  Concorde Park Concorde Road Maidenhead SL6 4FJ

  Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01853/CPU Granted

  20 Craufurd Rise Maidenhead SL6 7LS

  Certificate of lawfulness to determine whether the proposed use of a room on the ground floor as private hire operators licence is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01781/CPD Refused

  163 Arthur Road Windsor SL4 1RZ

  Certificate of lawfulness to determine whether the proposed rear L shaped dormer with Juliet balcony and new air source heat pump are lawful.

  Received 21 Jul, published by the council 27 Jul 2026 Lawful development
• 26/01553/CLU Granted

  64 Priors Way Maidenhead SL6 2EN

  Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

  Received 24 Jun, published by the council 25 Jul 2026 Lawful development