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Planning application

23/00353/PDXL

10 Castle Avenue Datchet Slough SL3 9BA

Refused Windsor and Maidenhead Permitted Development Extended

Proposal

Single storey rear extension no greater than 6.7m in depth, 3.6m high with an eaves height of 2.7m.

As published by the council, reference 23/00353/PDXL

Timeline

Dates from the published record

  1. 8 Feb 2023

    Received by Windsor and Maidenhead

  2. 13 Feb 2023

    Validated

    Checked as complete and ready for consideration.

  3. 24 Mar 2023

    Decision issued: Refuse

  4. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About prior approval applications

How this application type works

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • 26/00454/FULL Refused

    6 Castle Avenue Datchet Slough SL3 9BA

    Detached outbuilding with terrace ancillary to the main dwelling.

    20 Feb 2026 24m away Full applications
  • 26/01087/FULL Granted

    6 Castle Avenue Datchet Slough SL3 9BA

    Outbuilding ancillary to the main dwelling, with new patio and steps

    1 May 2026 24m away Full applications
  • 26/00561/FULL Refused

    4 Agars Place Datchet Slough SL3 9AH

    Garage conversion to habitable accommodation ancillary to the main dwellinghouse (Retrospective).

    3 Mar 2026 49m away Full applications
  • 26/01525/PDXL Awaiting decision

    Eton Manor 60 Eton Road Datchet Slough SL3 9AY

    Single storey rear extension no greater than 6.00m in depth, 3.00m high with an eaves height of 2.75m.

    22 Jun 2026 77m away Prior approval
  • 26/01265/FULL Awaiting decision

    107 Slough Road Datchet Slough SL3 9AQ

    Single storey rear extension and alterations to fenestration following demolition of existing rear element and 1no. chimney.

    20 May 2026 121m away Full applications
  • 26/00226/PDXL Refused

    107 Slough Road Datchet Slough SL3 9AQ

    Single storey rear extension no greater than 5.50m in depth, 3.85m high with an eaves height of 3.85m.

    27 Jan 2026 125m away Prior approval

In Windsor and Maidenhead

  • 26/01831/PDXL Awaiting decision

    1 Bell View Windsor SL4 4ET

    Single storey rear extension no greater than 4.30m in depth, 2.80m high with an eaves height of 2.50m.

    27 Jul 2026 Prior approval
  • 26/01846/PDXL Awaiting decision

    24 New Road Datchet Slough SL3 9JB

    Single storey rear extension no greater than 4.00m in depth, 3.20m high with an eaves height of 3.00m.

    27 Jul 2026 Prior approval
  • 26/01470/PDXL Refused

    14 Church View White Waltham Maidenhead SL6 3JQ

    Single storey rear extension no greater than 6.00m in depth, 3.80m high with an eaves height of 2.80m.

    15 Jun 2026 Prior approval
  • 26/01789/PDXL Awaiting decision

    6 The Dell Maidenhead SL6 3NS

    Single storey rear extension no greater than 3.76m in depth, 2.90m high with an eaves height of 2.90m.

    22 Jul 2026 Prior approval
  • 26/01446/PDXL Granted

    16 Buckland Crescent Windsor SL4 5JS

    Single storey rear extension no greater than 6.00m in depth, 2.81m high with an eaves height of 2.71m.

    10 Jun 2026 Prior approval