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Planning application

16 Duncannon Crescent Windsor SL4 4YP

Refused Windsor and Maidenhead 26/00769/FULL Full

Works: Extension 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

Part first floor part two storey front/side extension with relocated front door, garage conversion, single storey rear extension and alterations to fenestration

As published by the council, reference 26/00769/FULL

Application record

Reference
26/00769/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
24 Mar 2026
Validated
25 Mar 2026
Decided
19 May 2026
Ward
Clewer And Dedworth West
Parish
Windsor Unparished
Decision by
Delegated
Postcode
SL4 4YP

Site history

Applications at this address on the Windsor and Maidenhead register

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

  • 26/01308/FULL Granted

    16 Duncannon Crescent Windsor SL4 4YP

    Garage conversion, part two storey part first floor front extension, 1no. front canopy and alterations to fenestration.

    Decided 13 Jul 2026 Full applications
  • 25/02398/TPO Awaiting decision

    16 Duncannon Crescent Windsor SL4 4YP

    Oak tree- Remove disease and deadwood (001/1970/TPO)

    Submitted 12 Sep 2025 Trees

Timeline

Dates from the published record

  1. 24 Mar 2026

    Received by Windsor and Maidenhead

  2. 25 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 19 May 2026

    Decision issued: Refuse

  4. 25 Jul 2026

    Added to PlanIndex

Documents

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

14 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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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

  • 16 Duncannon Crescent Windsor SL4 4YP

    26/01308/FULL Submitted 22 May 2026 0.1 miles away

    Garage conversion, part two storey part first floor front extension, 1no. front canopy and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 14 docs
  • 16 Duncannon Crescent Windsor SL4 4YP

    25/02398/TPO Submitted 12 Sep 2025 0.1 miles away

    96% historically approved · decision due ~20 Nov

    Oak tree- Remove disease and deadwood (001/1970/TPO)

    Awaiting decision Trees 4 docs
  • 18 Duncannon Crescent Windsor SL4 4YP

    22/02038/FULL Submitted 26 Jul 2022 0.1 miles away

    Single storey front/side extension with balcony over and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 12 docs
    Small domestic
  • 19 Basford Way Windsor SL4 4NF

    20/02644/FULL Submitted 7 Oct 2020 0.1 miles away

    Single storey front extension.

    Granted Full applications Extension 11 docs
    Small domestic
  • 161 Wolf Lane Windsor SL4 4YY

    25/03095/TPO Submitted 24 Nov 2025 0.1 miles away

    T1 Laurel (Cherry) - fell (001/1970/TPO).

    Withdrawn Trees 9 docs
  • Land At Junctiuon of Duncannon Crescent And Hemwood Road Windsor

    21/03236/FULL Submitted 1 Nov 2021 0.1 miles away

    Construction of x1 new dwelling with new dropped kerb and all associate works including parking and boundary treatment.

    Withdrawn Full applications New dwelling 52 docs
    Small domestic

In Windsor and Maidenhead

  • 26/00980/FULL Granted

    19 Linchfield Road Datchet Slough SL3 9NA

    Single storey rear extension

    Received 21 Apr, published by the council 25 Jul 2026 Full applications
  • 26/01706/FULL Granted

    Loraine 36 Forlease Road Maidenhead SL6 1RU

    Single storey rear extension to the main dwelling, partial demolition to existing garage with a relocated door, alterations to the patio and new steps

    Received 13 Jul, published by the council 31 Jul 2026 Full applications
  • 26/01675/FULL Granted

    59 Grove Road Windsor SL4 1HT

    Increase in height of the existing side boundary brick wall following the removal of the existing timber fencing and a reduction in height and new railings to the existing front/side boundary wall.

    Received 9 Jul, published by the council 25 Jul 2026 Full applications
  • 26/01265/FULL Granted

    107 Slough Road Datchet Slough SL3 9AQ

    Single storey rear extension and alterations to fenestration following the demolition of the existing rear element.

    Received 20 May, published by the council 25 Jul 2026 Full applications
  • 26/01700/FULL Granted

    4 Dhoon Rise Maidenhead SL6 1BS

    Garage conversion, front bay window and a single storey front/side extension.

    Received 13 Jul, published by the council 27 Jul 2026 Full applications