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Planning application

Ellesmere 4 Green Lane Ascot SL5 7QJ

Awaiting decision Windsor and Maidenhead 26/01817/FULL Full

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Construction of a single-storey side extension, enlargement of the existing roof space, and alterations to fenestration including two rear rooflights and one front rooflight, following the demolition of existing structures/elements, including a garage / shed (part retrospective).

As published by the council, reference 26/01817/FULL

Application record

Reference
26/01817/FULL
Type
Full
Status
Awaiting decision
Received
23 Jul 2026
Validated
19 Aug 2026
Ward
Sunningdale And Cheapside
Parish
Sunninghill And Ascot Parish
Postcode
SL5 7QJ

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 25/03193/PDXL Granted

    Ellesmere 4 Green Lane Ascot SL5 7QJ

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 2.40m, 2no. front canopies no greater than 3 sqm, hip to gable, new roof to existing side element and alterations to fenestration.

    Decided 19 Jan 2026 Prior approval
  • 25/02964/PDXL Withdrawn

    Ellesmere 4 Green Lane Ascot SL5 7QJ

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 2.40m, 2no. front canopies, hip to gable, new roof to existing side element and alterations to fenestration.

    Decided 17 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 23 Jul 2026

    Received by Windsor and Maidenhead

  2. 19 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 27 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 14 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

Documents

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

16 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 happens while it is decided

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided full applications in a median of 64 days. More in our guide to how long planning decisions take.

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

  • Ellesmere 4 Green Lane Ascot SL5 7QJ

    25/02964/PDXL Submitted 10 Nov 2025 50 yards away

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 2.40m, 2no. front canopies, hip to gable, new roof to existing side element and alterations to fenestration.

    Withdrawn Prior approval Extension Loft or dormer +2 8 docs
    Small domestic

  • Ellesmere 4 Green Lane Ascot SL5 7QJ

    25/03193/PDXL Submitted 8 Dec 2025 50 yards away

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 2.40m, 2no. front canopies no greater than 3 sqm, hip to gable, new roof to existing side element and alterations to fenestration.

    Granted Prior approval Extension Loft or dormer +2 10 docs
    Small domestic

  • Fourwinds 2 Green Lane Ascot SL5 7QJ

    26/01204/PDXL Submitted 12 May 2026 50 yards away

    Single storey rear extension no greater than 7.46m in depth, 3.20m high with an eaves height of 2.45m.

    Granted Prior approval Extension 8 docs
    Small domestic

  • Fourwinds 2 Green Lane Ascot SL5 7QJ

    26/00705/PDXL Submitted 18 Mar 2026 50 yards away

    Single storey rear extension no greater than 8.00m in depth, 3.20m high with an eaves height of 3.00m.

    Refused Prior approval Extension 7 docs
    Small domestic

  • Fourwinds 2 Green Lane Ascot SL5 7QJ

    26/01089/CPD Submitted 1 May 2026 50 yards away

    Certificate of lawfulness to determine whether the proposed single storey side extension, single storey rear extension and 1no. outbuilding incidental to the main dwelling are lawful.

    Granted Lawful development Extension 10 docs
    Small domestic

  • Fourwinds 2 Green Lane Ascot SL5 7QJ

    26/01912/PDXL Submitted 3 Aug 2026 50 yards away

    Single storey rear extension no greater than 7.46m in depth, 3.20m high with an eaves height of 2.45m.

    Granted Prior approval Extension 9 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