14 Highgrove Avenue Ascot SL5 7HR

1. 13 Jul 2021

   Received by Windsor and Maidenhead

2. 8 Oct 2021

   Decision issued: Permitted Development

3. 3 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 8 October 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.

• 16 Highgrove Avenue Ascot SL5 7HR

  22/01267/FULL Submitted 12 May 2022 50 yards away

  Garage conversion and loft space over to create habitable accommodation with x1 front and x1 rear dormer, x1 new window to first floor side elevation and alterations door on rear elevation.

  Granted Full applications Loft or dormer Windows or glazing 13 docs

• 8 Highgrove Avenue Ascot SL5 7HR

  22/01754/FULL Submitted 29 Jun 2022 50 yards away

  Part garage conversion, single storey rear extension and alterations to fenestration, following demolition of the existing single storey rear element.

  Granted Full applications Extension Demolition +1 16 docs
  Small domestic

• 11 Gatcombe Crescent Ascot SL5 7HA

  21/01035/FULL Submitted 6 Apr 2021 100 yards away

  Replacement conservatory roof.

  Granted Full applications Extension 13 docs

• 9 Gatcombe Crescent Ascot SL5 7HA

  20/00762/FULL Submitted 24 Mar 2020 100 yards away

  Single storey rear orangery extension following demolition of existing conservatory.

  Granted Full applications Extension Demolition 10 docs
  Small domestic

• 7 Gatcombe Crescent Ascot SL5 7HA

  20/03342/FULL Submitted 10 Dec 2020 100 yards away

  Single storey rear extension following demolition of existing conservatory.

  Granted Full applications Extension Demolition 9 docs
  Small domestic

• 4 Crown Cottages Kennel Green Ascot SL5 8ET

  21/03304/FULL Submitted 8 Nov 2021 100 yards away

  Part garage conversion and alterations to fenestration.

  Granted Full applications Windows or glazing 13 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