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Planning application

19 Longbourn Windsor SL4 3TN

Refused Windsor and Maidenhead 23/00491/FULL Full

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

Proposal

Erection of a single storey granny annexe ancillary to the main dwelling.

As published by the council, reference 23/00491/FULL

Application record

Reference
23/00491/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
23 Feb 2023
Validated
2 Mar 2023
Decided
27 Apr 2023
Ward
Clewer East
Parish
Windsor Unparished
Decision by
Delegated
Postcode
SL4 3TN

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2022: 0 approved, 2 refused.

  • 22/02540/FULL Withdrawn

    19 Longbourn Windsor SL4 3TN

    Erection of a single storey granny annexe ancillary to the main dwelling.

    Decided 23 Nov 2022 Full applications
  • 22/02541/CPD Refused

    19 Longbourn Windsor SL4 3TN

    Certificate of lawfulness to determine whether the siting of a mobile home constructed and assembled to the specifications within the terms of the application, supporting statement and plans, ancillary to the main dwelling is lawful.

    Decided 14 Dec 2022 Lawful development

Timeline

Dates from the published record

  1. 23 Feb 2023

    Received by Windsor and Maidenhead

  2. 2 Mar 2023

    Validated

    Checked as complete and ready for consideration.

  3. 27 Apr 2023

    Decision issued: Refuse

  4. 2 Sep 2026

    Added to PlanIndex

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 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 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

  • 19 Longbourn Windsor SL4 3TN

    22/02540/FULL Submitted 16 Sep 2022 50 yards away

    Erection of a single storey granny annexe ancillary to the main dwelling.

    Withdrawn Full applications 13 docs
    Small domestic

  • 19 Longbourn Windsor SL4 3TN

    22/02541/CPD Submitted 16 Sep 2022 50 yards away

    Certificate of lawfulness to determine whether the siting of a mobile home constructed and assembled to the specifications within the terms of the application, supporting statement and plans, ancillary to the main dwelling is lawful.

    Refused Lawful development 9 docs
    Domestic

  • 16 Bailey Close Windsor SL4 3RD

    22/02409/PDXL Submitted 1 Sep 2022 50 yards away

    Single storey rear extension no greater than 4.56m in depth, 3.00m high with an eaves height of 3.00m.

    Granted Prior approval Extension 9 docs
    Small domestic

  • 17 Longbourn Windsor SL4 3TN

    22/01760/TPO Submitted 29 Jun 2022 50 yards away

    T1 - English Oak - Tip reduction, reduce the lower eastern sector of the tree canopy to provide branch clearance of 3m from the western elevation and roofline of the garage and the boundary fence with 16 Longbourn (004/1979/TPO).

    Granted Trees 5 docs
    Small domestic

  • 17 Longbourn Windsor SL4 3TN

    19/03486/TPO Submitted 12 Dec 2019 50 yards away

    (T1) - Oak - Cut back by 9.5m to boundary fence. (TPO 4 of 1979)

    Split decision Trees 4 docs
    Small domestic

  • 28 Bailey Close Windsor SL4 3RD

    20/01869/FULL Submitted 27 Jul 2020 50 yards away

    Two storey rear/side extension, No.1 rooflight and alteration to fenestration.

    Granted Full applications Extension Loft or dormer +1 11 docs

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