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Planning application

10 Castle Avenue Datchet Slough SL3 9BA

Refused Windsor and Maidenhead 23/02503/PDXL Permitted Development Extended

Works: Extension 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

Single storey rear extension no greater than 6.30m in depth, 3.07m high with an eaves height of 3.05m.

As published by the council, reference 23/02503/PDXL

Application record

Reference
23/02503/PDXL
Type
Permitted Development Extended
Status
Decided
Decision
Refuse
Received
10 Oct 2023
Validated
10 Oct 2023
Decided
20 Nov 2023
Ward
Datchet Horton And Wraysbury
Parish
Datchet Parish
Decision by
Delegated
Postcode
SL3 9BA

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 4 applications since 2021: 1 approved, 2 refused.

  • 23/00353/PDXL Refused

    10 Castle Avenue Datchet Slough SL3 9BA

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

    Decided 24 Mar 2023 Prior approval
  • 22/01288/CPD Granted

    10 Castle Avenue Datchet Slough SL3 9BA

    Certificate of lawfulness to determine whether the alterations and extension to first floor roof space are lawful

    Decided 6 Oct 2022 Lawful development
  • 21/01678/FULL Withdrawn

    10 Castle Avenue Datchet Slough SL3 9BA

    Single storey side/rear extension, hip to gable with x2 front dormers, x1 rear dormer, x1 new door to side elevation, x1 new rooflight to rear extension and alteration to fenestration.

    Decided 6 Dec 2021 Full applications

Timeline

Dates from the published record

  1. 10 Oct 2023

    Received by Windsor and Maidenhead

  2. 20 Nov 2023

    Decision issued: Refuse

  3. 8 Sep 2026

    Added to PlanIndex

Documents

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

29 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.

Trade members open them 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 prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 10 Castle Avenue Datchet Slough SL3 9BA

    21/01678/FULL Submitted 1 Jun 2021 0m away

    Single storey side/rear extension, hip to gable with x2 front dormers, x1 rear dormer, x1 new door to side elevation, x1 new rooflight to rear extension and alteration to fenestration.

    Withdrawn Full applications Extension Loft or dormer +1 16 docs
    Small domestic

  • 10 Castle Avenue Datchet Slough SL3 9BA

    23/00353/PDXL Submitted 8 Feb 2023 1m away

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

    Refused Prior approval Extension 8 docs
    Small domestic

  • 10 Castle Avenue Datchet Slough SL3 9BA

    22/01288/CPD Submitted 12 May 2022 4m away

    Certificate of lawfulness to determine whether the alterations and extension to first floor roof space are lawful

    Granted Lawful development Extension 10 docs

  • 8 Castle Avenue Datchet Slough SL3 9BA

    21/00867/CPD Submitted 19 Mar 2021 14m away

    Certificate of lawfulness to determine whether the proposed side dormer to facilitate additional habitable accommodation in loft space is lawful.

    Granted Lawful development Loft or dormer 8 docs

  • 6 Castle Avenue Datchet Slough SL3 9BA

    26/01087/FULL Submitted 1 May 2026 25m away

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

    Granted Full applications 11 docs
    Small domestic

  • 6 Castle Avenue Datchet Slough SL3 9BA

    26/00454/FULL Submitted 20 Feb 2026 25m away

    Detached outbuilding with terrace ancillary to the main dwelling.

    Refused Full applications 10 docs
    Small domestic

In Windsor and Maidenhead

  • 26/01912/PDXL Granted

    Fourwinds 2 Green Lane Ascot SL5 7QJ

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

    3 Aug 2026 Prior approval
  • 26/01831/PDXL Granted

    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
  • 26/01894/PDXL Granted

    1 Grange Lane Cookham Maidenhead SL6 9RP

    1No. single storey rear extension and 1No. single storey side/rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

    3 Aug 2026 Prior approval
  • 26/01822/PDXL Granted

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.80m.

    24 Jul 2026 Prior approval
  • 26/01846/PDXL Granted

    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