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Planning application

Sunningdale Park Larch Avenue Ascot SL5 0QE

Granted Windsor and Maidenhead 20/00671/NMA Non-material Amendment

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

Proposal

Non material amendments to planning permission 18/00356/FULL to vary the wording of Condition 3(Materials); Condition 29(Drainage); Condition 30(Contaminated land) and Informative 5(Highways Legal Agreement).

As published by the council, reference 20/00671/NMA

Application record

Reference
20/00671/NMA
Type
Non-material Amendment
Status
Decided
Decision
Granted As published: Application Permitted
Received
12 Mar 2020
Validated
12 Mar 2020
Decided
29 Apr 2020
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. 12 Mar 2020

    Received by Windsor and Maidenhead

  2. 29 Apr 2020

    Decision issued: Application Permitted

  3. 12 Oct 2026

    Added to PlanIndex

Documents

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

7 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 29 April 2020, 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 amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Sunningdale Park Larch Avenue Ascot SL5 0QE

    21/01182/FULL Submitted 14 Apr 2021 50 yards away

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

    Granted Full applications Loft or dormer 21 docs

  • 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

In Windsor and Maidenhead

  • 26/00814/VAR Granted

    Land West of Switchback Road North And North of Nightingale Lane Maidenhead

    Variation (under Section 73a) of planning permission 21/02963/FULL to vary the wording of Condition 8 (Drainage), 9 (Vehicles), 10 (Landscaping) and 11 (Painting) without complying with one month time limit.

    Received 27 Mar, published by the council 25 Jul 2026 Amendments
  • 26/01411/VAR Granted

    Whiteladies Park Prince Albert Drive Ascot SL5 8AQ

    Variation (under Section 73) of Condition 11 to substitute those plans approved under 25/03016/FULL for the Redevelopment of existing dwelling, including demolition and reconstruction of western extension, the construction of an eastern extension including an indoor swimming pool, and creation of a basement area with amended plans.

    Received 8 Jun, published by the council 25 Jul 2026 Amendments
  • 26/01792/VAR Granted

    Silver Birches St Marys Road Ascot SL5 9JE

    Variation (under Section 73) of Condition 9 (Approved Plans) to substitute those plans approved under 26/00205/FULL for a raised ridge, 2 no. front dormers and 1 no. rear dormer, 1no. side bay window, new chimney, single storey side/rear extension, alterations to fenestration and hardstanding, following demolition of existing elements with amended plans.

    Received 22 Jul, published by the council 31 Jul 2026 Amendments
  • 26/02420/NMA Awaiting decision

    Development At King Street And Queen Street And Broadway Maidenhead

    Non material amendments to planning permission 25/00066/VAR as per covering letter.

    Received 2 Oct, published by the council 9 Oct 2026 Amendments
  • 26/02152/NMA Granted

    Land Bounded By Ascot Fire Station Station Hill And West of Hermitage Parade And South of High Street Ascot SL5 7HF

    Non material amendments to planning permission 25/01050/FULL to amend the wording of Condition 8 (Bat Mitigation Scheme).

    Received 1 Sep, published by the council 8 Sep 2026 Amendments