Skip to content
PlanIndex Get alerts
Menu

Planning application

Delamead Onslow Road Sunningdale Ascot SL5 0HW

Granted Windsor and Maidenhead 25/02546/FULL Full

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

1no. outbuilding ancillary to the main dwelling.

As published by the council, reference 25/02546/FULL

Application record

Reference
25/02546/FULL
Type
Full
Status
Decided
Decision
Application Permitted
Received
29 Sep 2025
Validated
22 Oct 2025
Decided
17 Dec 2025
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 0HW

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2021: 3 approved, 0 refused.

  • 21/02774/FULL Granted

    Delamead Onslow Road Sunningdale Ascot SL5 0HW

    First floor front and side extensions, single and two storey rear extensions, part garage conversion into habitable accommodation, x1 new front canopy, alteration to existing roof over garage, external finishes and to fenestration following demolition of existing conservatory.

    Decided 17 Dec 2021 Full applications
  • 21/02591/TPO Granted

    Delamead Onslow Road Sunningdale Ascot SL5 0HW

    Yew Tree - raise canopy to 2.5m from ground level, reduce crown diameter from a maximum of 12.8m to a minimum of 8.4m and remove deadwood - TPO 25 of 1994.

    Decided 14 Oct 2021 Trees

Timeline

Dates from the published record

  1. 29 Sep 2025

    Received by Windsor and Maidenhead

  2. 22 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 17 Dec 2025

    Decision issued: Application Permitted

  4. 11 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 17 December 2025, 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.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Delamead Onslow Road Sunningdale Ascot SL5 0HW

    21/02774/FULL Submitted 13 Sep 2021 0m away

    First floor front and side extensions, single and two storey rear extensions, part garage conversion into habitable accommodation, x1 new front canopy, alteration to existing roof over garage, external finishes and to fenestration following demolition of existing conservatory.

    Granted Full applications Extension Demolition +1 18 docs

  • Delamead Onslow Road Sunningdale Ascot SL5 0HW

    21/02591/TPO Submitted 16 Aug 2021 4m away

    Yew Tree - raise canopy to 2.5m from ground level, reduce crown diameter from a maximum of 12.8m to a minimum of 8.4m and remove deadwood - TPO 25 of 1994.

    Granted Trees 7 docs

  • Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

    22/01543/FULL Submitted 8 Jun 2022 46m away

    Replacement detached dwelling

    Granted Full applications New dwelling 46 docs
    Domestic

  • Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

    22/02833/CONDIT Submitted 21 Oct 2022 46m away

    Details required by condition 2 (external materials), 7 (hard and soft landscaping), 8 (biodiversity net gain), 12 (surface water drainage) and 13 (PV and air source heat pump) for planning permission (22/01543/FULL) for a replacement detached dwelling.

    Granted Conditions New dwelling 29 docs
    Domestic

  • Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

    22/02801/VAR Submitted 17 Oct 2022 50m away

    Variation (under Section 73) of Condition 14 (Approved Plans) to substitute those plans approved under 22/01543/FULL for a replacement detached dwelling with amended plans.

    Granted Amendments New dwelling 21 docs
    Domestic

  • Russetts Onslow Road Sunningdale Ascot SL5 0HW

    24/02275/TPO Submitted 18 Sep 2024 82m away

    T1 and T2 - Silver Birch - reduce lateral branches over neighbouring roof to give 2m clearance to a finished spread of 8m (047/2004/TPO).

    Granted Trees 6 docs

In Windsor and Maidenhead

  • 26/01628/FULL Granted

    25 Bannard Road Maidenhead SL6 4NP

    Single storey rear extension following the demolition of the existing conservatory.

    3 Jul 2026 Full applications
  • 26/01384/FULL Granted

    Stoney Vere Farm House Butchers Lane White Waltham Maidenhead SL6 3SD

    Single storey side extension

    4 Jun 2026 Full applications
  • 26/01674/FULL Granted

    50 Welley Road Wraysbury Staines TW19 5DJ

    Detached annexe to be used ancillary to the main dwelling.

    9 Jul 2026 Full applications
  • 26/01312/FULL Refused

    16 Whyteladyes Lane Cookham Maidenhead SL6 9NA

    Hip to gable, 1no. front dormer, 1no. rear dormer and alterations to fenestration and relocation of PV panels.

    27 May 2026 Full applications
  • 26/01379/FULL Granted

    Lotus Cottage Holyport Street Holyport Maidenhead SL6 2JR

    Part single part two storey part first floor rear/side extension and alterations to fenestration.

    4 Jun 2026 Full applications