Skip to content
PlanIndex Get alerts
Menu

Planning application

Delamead Onslow Road Sunningdale Ascot SL5 0HW

Granted Windsor and Maidenhead 21/02774/FULL Full

Works: Extension Demolition Windows or glazing

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

Proposal

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.

As published by the council, reference 21/02774/FULL

Application record

Reference
21/02774/FULL
Type
Full
Status
Decided
Decision
Granted As published: Application Permitted
Received
13 Sep 2021
Validated
13 Sep 2021
Decided
17 Dec 2021
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.

  • 25/02546/FULL Granted

    Delamead Onslow Road Sunningdale Ascot SL5 0HW

    1no. outbuilding ancillary to the main dwelling.

    Decided 17 Dec 2025 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. 13 Sep 2021

    Received by Windsor and Maidenhead

  2. 17 Dec 2021

    Decision issued: Application Permitted

  3. 16 Aug 2026

    Added to PlanIndex

Documents

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

18 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 17 December 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.

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 0.3 miles

  • Delamead Onslow Road Sunningdale Ascot SL5 0HW

    25/02546/FULL Submitted 29 Sep 2025 50 yards away

    1no. outbuilding ancillary to the main dwelling.

    Granted Full applications 11 docs
    Small domestic

  • Delamead Onslow Road Sunningdale Ascot SL5 0HW

    21/02591/TPO Submitted 16 Aug 2021 50 yards 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

    23/00963/FULL Submitted 19 Apr 2023 50 yards away

    Detached garage and new entrance gates

    Granted Full applications 20 docs

  • Edgcumbe Heather Drive Sunningdale Ascot SL5 0HP

    22/01543/FULL Submitted 8 Jun 2022 50 yards 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 50 yards 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 50 yards 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

In Windsor and Maidenhead

  • 26/02029/FULL Granted

    5 Kimber Close Windsor SL4 4BJ

    Single storey rear extension.

    Received 17 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01955/FULL Granted

    2 Holmlea Road Datchet Slough SL3 9HQ

    Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

    Received 7 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01121/FULL Granted

    Zain House 15 Wilton Crescent Windsor SL4 4YJ

    Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

    Received 6 May, published by the council 11 Aug 2026 Full applications
  • 26/01977/FULL Granted

    9 St Marks Place Windsor SL4 3BG

    Garage conversion and alterations to fenestration.

    Received 11 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01804/FULL Granted

    16 Devereux Road Windsor SL4 1JJ

    Installation of air conditioning compressor unit to the first floor side elevation.

    Received 23 Jul, published by the council 24 Aug 2026 Full applications