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Planning application

Little Oak St Marys Hill Ascot SL5 9AP

Granted Windsor and Maidenhead 21/00173/FULL Full

Works: Extension Loft or dormer Windows or glazing Small domestic

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

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

Proposal

Two storey side extension with rear Juliet balcony, single storey rear extension with balcony above and alterations to first floor rear fenestration, 5 No. front and 5 No. rear dormers to facilitate a loft conversion and rear steps.

As published by the council, reference 21/00173/FULL

Application record

Reference
21/00173/FULL
Type
Full
Status
Decided
Decision
Granted As published: Application Permitted
Received
22 Jan 2021
Validated
2 Feb 2021
Decided
8 Jul 2021
Ward
Ascot & Sunninghill
Parish
Sunninghill And Ascot Parish
Decision by
Delegated
Postcode
SL5 9AP

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 22/00250/CONDIT Granted

    Little Oak St Marys Hill Ascot SL5 9AP

    Details required by condition 3 (Tree Protection details) of Planning Permission 21/00173 for the Two storey side extension with rear Juliet balcony, single storey rear extension with balcony above and alterations to first floor rear fenestration, 5 No. front and 5 No. rear dormers to facilitate a loft conversion and rear steps.

    Decided 7 Jun 2022 Conditions

Timeline

Dates from the published record

  1. 22 Jan 2021

    Received by Windsor and Maidenhead

  2. 2 Feb 2021

    Validated

    Checked as complete and ready for consideration.

  3. 8 Jul 2021

    Decision issued: Application Permitted

  4. 12 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

HAC Designs Ltd Agent, a design practice registered in Reading

Active · incorporated 2019 · Reading

44 applications on PlanIndex · across 13 councils · 87% granted

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Documents

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

32 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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What this grant of permission means

Windsor and Maidenhead granted permission on 8 July 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

  • Little Oak St Marys Hill Ascot SL5 9AP

    22/00250/CONDIT Submitted 2 Feb 2022 50 yards away

    Details required by condition 3 (Tree Protection details) of Planning Permission 21/00173 for the Two storey side extension with rear Juliet balcony, single storey rear extension with balcony above and alterations to first floor rear fenestration, 5 No. front and 5 No. rear dormers to facilitate a loft conversion and rear steps.

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

  • Tinkers Lodge Brockenhurst Road Ascot SL5 9HB

    20/00004/CONDIT Submitted 2 Jan 2020 50 yards away

    Details required by condition 5 (hard and soft landscaping) of planning permission 17/01385/FULL (allowed on appeal) for the erection of a 4 bedroom dwelling following demolition of existing dwelling.

    Granted Conditions Demolition 6 docs
    Domestic

  • The Frith Brockenhurst Road Ascot SL5 9HA

    22/01187/FULL Submitted 3 May 2022 50 yards away

    Construction of x9 apartments, including associated access, tree works, landscaping and parking, following demolition of existing buildings.

    Refused Full applications New dwelling Demolition +1 58 docs

  • Hollybank House St Marys Hill Ascot SL5 9AP

    24/02419/TPO Submitted 3 Oct 2024 50 yards away

    (T1 and T2) Indian Bean trees - Crown reduce leaving a final height of 12m and spread of 7m. (025/1993/TPO)

    Granted Trees 9 docs

  • Hollybank House St Marys Hill Ascot SL5 9AP

    22/01383/TPO Submitted 19 May 2022 50 yards away

    (T1 and T2) Scots Pine and Lawson Cypress - removal all major dead, dying and dangerous branches (T3 and T4) Indian Bean - reduce and shape by 2-3m to leave a final height of 6m and spread of 3-4m and (T5) Indian Bean - section fell to ground level - 025/1993TPO.

    Granted Trees 6 docs

  • Haining Chase Brockenhurst Road Ascot SL5 9HB

    25/02680/FULL Submitted 10 Oct 2025 50 yards away

    New front canopy, single storey front infill extension, garage conversion and part single part two storey rear extension

    Granted Full applications Extension 11 docs
    Small 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