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Planning application

Sunningdale Park Larch Avenue Ascot SL5 0QE

Granted Windsor and Maidenhead 21/01182/FULL Full

Works: Loft or dormer

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

Proposal

Conversion of storage space at roof level, including additional rooflights to create two additional units of accommodation.

As published by the council, reference 21/01182/FULL

Application record

Reference
21/01182/FULL
Type
Full
Status
Decided
Decision
Granted As published: Application Permitted
Received
14 Apr 2021
Validated
14 Apr 2021
Decided
2 Sep 2022
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 0QE

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 94 applications since 2020: 79 approved, 4 refused.

  • 23/01957/ADV Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Consent to display 1no. non illuminated free standing sign.

    Decided 1 Nov 2023 Advertising
  • 23/01583/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 5 (Refuse and recycling strategy), 10 (Biodiversity enhancements) and 11 (Lighting strategy for biodiversity) of Planning Permission 21/01721 for the redevelopment of part of the Sunningdale Park estate including the erection of new buildings to provide 96 homes (Class C3), conversion of 3x market dwellings to shared ownership in Mackenzie House alongside associated internal access roads, parking, landscaping, footpaths, drainage, provision of 19 hectares of SANG and other associated works.

    Decided 7 Nov 2023 Conditions
  • 23/01561/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 30 (C) - Implementation of Approved Remediation Scheme (partial discharge - Phase B6 - Walled Garden - Communal Garden (Section 3) and plots 152 to 157) of planning permission 18/00356/FULL for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works.

    Decided 11 Aug 2023 Conditions
  • 23/00895/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 19b (Partial Discharge - Lighting) (Phase B10 - SANG) and Condition 30c (Partial Discharge - Contamination) (Phase B6 - Communal Garden) of Planning Permission 18/00356 for The redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works.

    Decided 23 Jun 2023 Conditions
  • 23/00733/LBC Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Consent for alterations to the raised terrace to the east elevation of Northcote House to include a new glass gate, beam and stainless steel posts to the existing glass balustrade.

    Decided 6 Jun 2023 Heritage and listed buildings
  • 23/00539/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 30 (C) (Partial Discharge - Contaminated Land) (Phase B6) of planning permission 18/00356/FULL for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works.

    Decided 28 Mar 2023 Conditions
  • 23/00328/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 3 (Landscaping) of Planning Permission 21/01721 for the redevelopment of part of the Sunningdale Park estate including the erection of new buildings to provide 96 homes (Class C3), conversion of 3x market dwellings to shared ownership in Mackenzie House alongside associated internal access roads, parking, landscaping, footpaths, drainage, provision of 19 hectares of SANG and other associated works.

    Decided 11 May 2023 Conditions
  • 23/00199/CONDIT Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Details required by Condition 18 - Biodivirsity Enhancement (partial discharge - Phase B10 SANG) of Planning Permission 18/00356 for The redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works

    Decided 24 Mar 2023 Conditions
  • 23/00116/TPO Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    T14 - Beech - Fell, leaving a 2m high monolith. (015/2017/TPO)

    Decided 20 Feb 2023 Trees
  • 22/03141/LEG Granted

    Sunningdale Park Larch Avenue Ascot SL5 0QE

    Discharge of planning obligation - SANG Public Access (Clause 3, Fourth Schedule), Notification of SANG excluding Phase 2 Completion (Clause 6. Fourth Schedule) in regards to planning application 21/01721/FULL for The redevelopment of part of the Sunningdale Park estate including the erection of new buildings to provide 96 homes (Class C3), conversion of 3x market dwellings to shared ownership in Mackenzie House alongside associated internal access roads, parking, landscaping, footpaths, drainage, provision of 19 hectares of SANG and other associated works.

    Decided 13 Feb 2023 Conditions

Timeline

Dates from the published record

  1. 14 Apr 2021

    Received by Windsor and Maidenhead

  2. 2 Sep 2022

    Decision issued: Application Permitted

  3. 3 Sep 2026

    Added to PlanIndex

Documents

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

21 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.

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Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 2 September 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.

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

  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    22/01689/CONDIT Submitted 22 Jun 2022 50 yards away

    Details required by Condition 3 (Materials) (partial discharge) and Condition 4 (Landscape) (partial discharge) of Planning Permission 18/00356 for The redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works

    Granted Conditions Extension Demolition 20 docs
    Major scheme
  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    22/00916/CONDIT Submitted 1 Apr 2022 50 yards away

    Details required by Condition 4 (Landscaping) (partial discharge) of Planning Permisson 18/00356 for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works

    Granted Conditions Extension Demolition 11 docs
    Major scheme
  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    20/02695/CONDIT Submitted 13 Oct 2020 50 yards away

    Details required by part condition 4 (phase A1) (hard and soft landscaping) of planning permission 18/00356 for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works

    Granted Conditions Extension Demolition 14 docs
    Major scheme
  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    20/00509/CONDIT Submitted 26 Feb 2020 50 yards away

    Details required by condition 4 (record of existing glasshouses) of Listed Building Consent 18/000357 for consent for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works

    Granted Conditions Extension Demolition 9 docs
    Major scheme
  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    20/03087/CONDIT Submitted 18 Nov 2020 50 yards away

    Details required by Condition 19 (Archaeological watching brief) of Listed Building Consent 18/00357/LBC for consent for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works.

    Granted Conditions Extension Demolition 9 docs
    Major scheme
  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    22/01690/CONDIT Submitted 21 Jun 2022 50 yards away

    94% historically approved · decision due ~16 Aug

    Details required by conditions 3 (prior to commencing), 12 (external installations), 13 (internal services) and 17 (repair and restoration) of listed building consent 18/00357/LBC for consent for the redevelopment of Sunningdale Park including the part demolition, alteration, restoration, conversion and extension of Northcote House (Grade II Listed), Gloucester Stables and the Walled Garden; the alteration, restoration, conversion and extension of North Lodge, the alteration, restoration and conversion of the Gamekeeper's Lodge and Store, and The Dairy; the part demolition and part alteration, restoration and conversion of South Lodge; refurbishment and extension of Gardeners Cottages and the demolition of other buildings including Park House; and the erection of new buildings to provide 168 dwellings (Use Class C3) (160 net), a Care Community of 103 units of accommodation incorporating communal facilities (Use Class C2), restoration of the Registered Park and Garden, provision of 16.97 Hectares of SANG (within 19 hectares of open space in total), plus associated internal access roads, parking, landscaping, footpaths, drainage and other associated works.

    Awaiting decision Conditions Extension Demolition 20 docs
    Major scheme

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