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Planning application

Cornerstone Onslow Road Sunningdale Ascot SL5 0HW

Refused Windsor and Maidenhead 22/00133/NMA Non-material Amendment

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Non material amendments to planning permission 21/02680 for change to front porch, new ensuite windows to front and side elevations, change to front window to guest bedroom, new dormer to side of guest bedroom, rear utility room door changed to window, utility and gym door and windows changed on side elevation.

As published by the council, reference 22/00133/NMA

Application record

Reference
22/00133/NMA
Type
Non-material Amendment
Status
Decided
Decision
Refused As published: Refuse
Received
19 Jan 2022
Validated
19 Jan 2022
Decided
9 Feb 2022
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 2022: 1 approved, 1 refused.

  • 22/00913/VAR Granted

    Cornerstone Onslow Road Sunningdale Ascot SL5 0HW

    Variation (under Section 73a) of Condition 5 substitute those plans approved under 21/02680 for the Relocation of existing front entrance door to include x1 new canopy, two storey rear extension, single storey link extension to side elevation, two storey side extension, alteration to roof of and of front dormers, garage conversion into habitable accommodation, removal of chimney, entrance gate and alterations to fenestration on ground and first floor following demolition of existing elements (part retrospective). amended plans.

    Decided 27 May 2022 Amendments
  • 22/00489/VAR Withdrawn

    Cornerstone Onslow Road Sunningdale Ascot SL5 0HW

    Variation (under Section 73) of Condition 5 (Approved Plans) to substitute those plans approved under 21/02680/FULL for the relocation of existing front entrance door to include x1 new canopy, two storey rear extension, single storey link extension to side elevation, two storey side extension, alteration to roof of and of front dormers, garage conversion into habitable accommodation, removal of chimney, entrance gate and alterations to fenestration on ground and first floor following demolition of existing elements (part retrospective) with amended plans.

    Decided 6 Apr 2022 Amendments

Timeline

Dates from the published record

  1. 19 Jan 2022

    Received by Windsor and Maidenhead

  2. 9 Feb 2022

    Decision issued: Refuse

  3. 16 Aug 2026

    Added to PlanIndex

Documents

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

5 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 refusal means

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • Sharnbrook Onslow Road Sunningdale Ascot SL5 0HW

    21/02680/FULL Submitted 2 Sep 2021 50 yards away

    Relocation of existing front entrance door to include x1 new canopy, two storey rear extension, single storey link extension to side elevation, two storey side extension, alteration to roof of and of front dormers, garage conversion into habitable accommodation, removal of chimney, entrance gate and alterations to fenestration on ground and first floor following demolition of existing elements (part retrospective).

    Granted Full applications Extension Loft or dormer +2 11 docs
    Small domestic

  • Cornerstone Onslow Road Sunningdale Ascot SL5 0HW

    22/00489/VAR Submitted 24 Feb 2022 50 yards away

    Variation (under Section 73) of Condition 5 (Approved Plans) to substitute those plans approved under 21/02680/FULL for the relocation of existing front entrance door to include x1 new canopy, two storey rear extension, single storey link extension to side elevation, two storey side extension, alteration to roof of and of front dormers, garage conversion into habitable accommodation, removal of chimney, entrance gate and alterations to fenestration on ground and first floor following demolition of existing elements (part retrospective) with amended plans.

    Withdrawn Amendments Extension Loft or dormer +2 11 docs
    Small domestic

  • Cornerstone Onslow Road Sunningdale Ascot SL5 0HW

    22/00913/VAR Submitted 1 Apr 2022 50 yards away

    Variation (under Section 73a) of Condition 5 substitute those plans approved under 21/02680 for the Relocation of existing front entrance door to include x1 new canopy, two storey rear extension, single storey link extension to side elevation, two storey side extension, alteration to roof of and of front dormers, garage conversion into habitable accommodation, removal of chimney, entrance gate and alterations to fenestration on ground and first floor following demolition of existing elements (part retrospective). amended plans.

    Granted Amendments Extension Loft or dormer +2 13 docs
    Small domestic

  • Sharnbrook Onslow Road Sunningdale Ascot SL5 0HW

    21/01521/FULL Submitted 17 May 2021 50 yards away

    New front canopy, garage conversion, new roof to single storey front element, 2no. front dormers, part single, part first floor, part three storey rear extensions, 2 x rear gables, garage including first floor accommodation with side dormer and single storey side link to main dwelling and alterations to fenestration, new front boundary wall and gate.

    Withdrawn Full applications Extension Loft or dormer +2 15 docs
    Small domestic

  • Willow House Onslow Road Sunningdale Ascot SL5 0HW

    21/02856/FULL Submitted 22 Sep 2021 50 yards away

    Enclosure of existing carport to form a garage.

    Granted Full applications 15 docs

  • Ashley House Onslow Road Sunningdale Ascot SL5 0HW

    22/03348/FULL Submitted 16 Dec 2022 100 yards away

    Garage conversion, new front porch canopy, part single, part first floor, part two storey side/rear extension, change from flat to pitched roof to the single storey rear element, alterations to fenestration and detached garage.

    Granted Full applications Extension Windows or glazing 23 docs
    Small domestic

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