17 Laggan Square Maidenhead SL6 7LA

This site has had 3 applications since 2026: 3 approved, 0 refused.

• 26/01689/FULL Granted

  17 Laggan Square Maidenhead SL6 7LA

  2no. front canopies, 3no. front rooflights, part single part two storey side/rear extension, hip to gable, 1no. loft conversion with 1no. rear dormer and 1no. detached outbuilding ancillary to the main dwelling following the demolition of the existing elements.

  Decided 11 Sep 2026 Full applications
• 26/00704/PDXL Granted

  17 Laggan Square Maidenhead SL6 7LA

  Single storey rear extension no greater than 6.00m in depth, 4.00m high with an eaves height of 3.00m.

  Decided 27 Apr 2026 Prior approval

1. 19 Mar 2026

   Received by Windsor and Maidenhead

2. 2 Apr 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 2 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.

• 17 Laggan Square Maidenhead SL6 7LA

  26/00704/PDXL Submitted 18 Mar 2026 50 yards away

  Single storey rear extension no greater than 6.00m in depth, 4.00m high with an eaves height of 3.00m.

  Granted Prior approval Extension 12 docs
  Small domestic

• 17 Laggan Square Maidenhead SL6 7LA

  26/01689/FULL Submitted 10 Jul 2026 50 yards away

  2no. front canopies, 3no. front rooflights, part single part two storey side/rear extension, hip to gable, 1no. loft conversion with 1no. rear dormer and 1no. detached outbuilding ancillary to the main dwelling following the demolition of the existing elements.

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

• 15 Laggan Square Maidenhead SL6 7LA

  22/02508/CPD Submitted 14 Sep 2022 50 yards away

  Certificate of lawfulness to determine whether the proposed detached outbuilding to be used as an office ancillary to the main dwelling is lawful.

  Granted Lawful development 6 docs
  Small domestic

• 9 Laggan Square Maidenhead SL6 7LA

  23/00787/FULL Submitted 29 Mar 2023 50 yards away

  Part single part two storey side/rear extension, garage conversion, part hip to gable, 2no. rooflights and 1no. rear dormer following demolition of existing element.

  Granted Full applications Extension Loft or dormer +1 9 docs

• 32 Pearce Road Maidenhead SL6 7LF

  19/03623/CPD Submitted 31 Dec 2019 50 yards away

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

  Granted Lawful development Extension 6 docs
  Small domestic

• 20 Laggan Square Maidenhead SL6 7LA

  23/02309/CPD Submitted 20 Sep 2023 100 yards away

  Certificate of lawfulness to determine whether the single storey rear extension, hip to gable, 3no. front rooflights and loft conversion to include 1no. rear dormer is lawful.

  Granted Lawful development Extension Loft or dormer 14 docs
  Small domestic

• 26/02222/CPD Refused

  52 Audley Way Ascot SL5 8EF

  Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

  Received 8 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01954/CPD Withdrawn

  Mulberry House Waltham Road Maidenhead SL6 3NH

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

  Received 7 Aug, published by the council 16 Aug 2026 Lawful development
• 26/01856/CLU Granted

  Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

  Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

  Received 28 Jul, published by the council 24 Aug 2026 Lawful development
• 26/02022/CPD Refused

  14 Church View White Waltham Maidenhead SL6 3JQ

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

  Received 17 Aug, published by the council 2 Sep 2026 Lawful development
• 26/01862/CLU Granted

  Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

  Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

  Received 29 Jul, published by the council 4 Aug 2026 Lawful development