26 Twynham Road Maidenhead SL6 5AS

1. 15 Mar 2022

   Received by Windsor and Maidenhead

2. 10 May 2022

   Decision issued: Permitted Development

3. 4 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 10 May 2022, 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.

• 24 Twynham Road Maidenhead SL6 5AS

  20/03387/FULL Submitted 14 Dec 2020 50 yards away

  Part two storey part first floor rear extension

  Granted Full applications Extension 9 docs

• 20 Twynham Road Maidenhead SL6 5AS

  26/00061/FULL Submitted 12 Jan 2026 50 yards away

  Single storey side/rear extension following demolition of existing elements.

  Granted Full applications Extension Demolition 14 docs
  Small domestic

• 22 Birdwood Road Maidenhead SL6 5AP

  21/00145/TPO Submitted 19 Jan 2021 50 yards away

  (T1) - Copper Beech - Tip reduction by up to 3m of the lateral branches on the north-eastern side of the crown and crown lift to 5m by tip reducing low hanging branches - resulting in no change in height, but a final width of 14m (from south-west to north-east) (TPO 96 of 2002).

  Granted Trees 7 docs

• 21 Twynham Road Maidenhead SL6 5AT

  20/00874/FULL Submitted 7 Apr 2020 50 yards away

  A single storey side extension, single storey rear extension, new flue, a rear dormer window, alterations to the roof including new rooflights, x1 window each to the first floor front and rear elevation and hip-to-gable alteration to the front and side roof to create first floor accommodation and alterations to fenestration, following demolition of the existing rear conservatory

  Granted Full applications Extension Loft or dormer +2 11 docs
  Small domestic

• 24 Birdwood Road Maidenhead SL6 5AP

  24/02672/FULL Submitted 1 Nov 2024 100 yards away

  Garage conversion and single storey rear/side extension.

  Granted Full applications Extension 8 docs
  Small domestic

• 24 Birdwood Road Maidenhead SL6 5AP

  23/01378/CPD Submitted 2 Jun 2023 100 yards away

  Certificate of lawfulness to determine whether the loft conversion with rooflights to front elevation and 1no. rear dormer is lawful.

  Withdrawn Lawful development Loft or dormer 9 docs

• 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