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Planning application

Alfriston House The Avenue Ascot SL5 7LY

Granted Windsor and Maidenhead 21/00518/FULL Full

Works: Extension 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

Single storey rear extension and alterations to fenestration

As published by the council, reference 21/00518/FULL

Application record

Reference
21/00518/FULL
Type
Full
Status
Decided
Decision
Application Permitted
Received
22 Feb 2021
Validated
24 Feb 2021
Decided
19 Apr 2021
Ward
Ascot & Sunninghill
Parish
Sunninghill And Ascot Parish
Decision by
Delegated
Postcode
SL5 7LY

Timeline

Dates from the published record

  1. 22 Feb 2021

    Received by Windsor and Maidenhead

  2. 24 Feb 2021

    Validated

    Checked as complete and ready for consideration.

  3. 19 Apr 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

David Herbert Architects Agent, an architecture practice registered in Harrow

Active · incorporated 2013 · Harrow

4 applications on PlanIndex · across 3 councils

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Documents

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

17 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 19 April 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 500 metres

  • Evergreens The Avenue Ascot SL5 7LY

    26/00866/FULL Submitted 7 Apr 2026 66m away

    Single storey side/front extension.

    Granted Full applications Extension 14 docs
    Small domestic

  • Erinmore The Avenue Ascot SL5 7NB

    26/00548/FULL Submitted 2 Mar 2026 71m away

    New front porch, first floor front extension, 1no. front dormer, 3 no. rear dormers, 2no. rear Juliet balconies, raising of the eaves and ridge, enlargement of the existing roof space, new pitched roofs to the single storey side elements, 1no. rear canopy and alterations to fenestration.

    Granted Full applications Extension Loft or dormer +1 18 docs
    Small domestic

  • Erinmore The Avenue Ascot SL5 7NB

    23/00793/FULL Submitted 28 Mar 2023 71m away

    Construction of 2no. detached dwellings and associated site works, following demolition of the existing house.

    Granted Full applications Demolition 31 docs

  • Erinmore The Avenue Ascot SL5 7NB

    25/02354/FULL Submitted 10 Sep 2025 71m away

    Proposed two storey front extension, part two storey and part first floor rear extension, raised ridge, 1no. front dormer, 3 no. rear dormers with 1 no. rear juliet balcony and alterations to fenestration.

    Refused Full applications Extension Loft or dormer +1 14 docs

  • Erinmore The Avenue Ascot SL5 7NB

    22/01442/FULL Submitted 27 May 2022 73m away

    Construction of 2no. detached dwellings and associated site works, following demolition of the existing house.

    Granted Full applications Demolition 36 docs

  • Coire Cas The Avenue Ascot SL5 7LY

    24/02505/FULL Submitted 16 Oct 2024 75m away

    New pitched roof to the single storey front element, new solar panels to the roof and alterations to fenestration.

    Granted Full applications Windows or glazing 12 docs
    Small domestic

In Windsor and Maidenhead

  • 26/01575/FULL Granted

    Huntsmans House Church Road Cookham Dean Maidenhead SL6 9PG

    Part conversion and extension of the existing car port to form a pool house and plant room, alterations to fenestration, 1no. sunken swimming pool and 1no. hot tub, steps, landscaping and hardstanding.

    26 Jun 2026 Full applications
  • 26/01687/FULL Refused

    7 Woodhurst Road Maidenhead SL6 8TG

    New Car Port.

    10 Jul 2026 Full applications
  • 26/01321/FULL Granted

    The Manor House Manor Drive Shurlock Row Reading RG10 0PX

    Change of use of grassland to a menage.

    28 May 2026 Full applications
  • 26/01551/FULL Granted

    16A Camley Gardens Maidenhead SL6 5JW

    Single storey side extension and single storey rear extension, following demolition of existing conservatory

    24 Jun 2026 Full applications
  • 26/02223/FULL Awaiting decision

    1 Mossy Vale Maidenhead SL6 7RX

    Loft conversion with dormer windows to the side elevations and five rooflights to the roof slopes.

    9 Sep 2026 Full applications