21 Laggan Road Maidenhead SL6 7JY

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

• 26/00465/CPD Refused

  21 Laggan Road Maidenhead SL6 7JY

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

  Decided 3 Mar 2026 Lawful development

1. 9 Mar 2026

   Received by Windsor and Maidenhead

2. 27 Apr 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 27 April 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 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.

• 21 Laggan Road Maidenhead SL6 7JY

  26/00465/CPD Submitted 20 Feb 2026 50 yards away

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

  Refused Lawful development Extension 7 docs
  Small domestic

• 11 Laggan Road Maidenhead SL6 7JY

  25/02458/FULL Submitted 19 Sep 2025 50 yards away

  Conversion of existing outbuilding with single storey side extension to form 1 no. dwelling.

  Refused Full applications Extension 12 docs
  Domestic

• 39 Laggan Road Maidenhead SL6 7JY

  22/01244/FULL Submitted 10 May 2022 50 yards away

  Detached rear outbuilding.

  Granted Full applications 7 docs

• 50 Laggan Road Maidenhead SL6 7JZ

  22/02818/FULL Submitted 19 Oct 2022 50 yards away

  Replacement garage.

  Granted Full applications 8 docs

• 37 Laggan Road Maidenhead SL6 7JY

  22/01879/CPD Submitted 12 Jul 2022 100 yards away

  Certificate of lawfulness to determine whether the proposed outbuilding is lawful.

  Granted Lawful development 5 docs

• 37 Laggan Road Maidenhead SL6 7JY

  22/00922/FULL Submitted 4 Apr 2022 100 yards away

  Single storey side/rear extension.

  Granted Full applications Extension 9 docs
  Small domestic

• 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