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Planning application

10 Castle Avenue Datchet Slough SL3 9BA

Granted Windsor and Maidenhead 22/01288/CPD Cert of Lawfulness of Proposed Dev

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference 22/01288/CPD

Application record

Reference
22/01288/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Permitted Development
Received
12 May 2022
Validated
12 Aug 2022
Decided
6 Oct 2022
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.

  • 23/02503/PDXL Refused

    10 Castle Avenue Datchet Slough SL3 9BA

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

    Decided 20 Nov 2023 Prior approval
  • 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
  • 21/01678/FULL Withdrawn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. 12 May 2022

    Received by Windsor and Maidenhead

  2. 12 Aug 2022

    Validated

    Checked as complete and ready for consideration.

  3. 6 Oct 2022

    Decision issued: Permitted Development

  4. 4 Aug 2026

    Added to PlanIndex

Documents

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

10 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 grant of permission means

Windsor and Maidenhead granted permission on 6 October 2022, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 10 Castle Avenue Datchet Slough SL3 9BA

    23/00353/PDXL Submitted 8 Feb 2023 3m 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

    21/01678/FULL Submitted 1 Jun 2021 4m 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

    23/02503/PDXL Submitted 10 Oct 2023 4m away

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

    Refused Prior approval Extension 29 docs
    Small domestic

  • 8 Castle Avenue Datchet Slough SL3 9BA

    21/00867/CPD Submitted 19 Mar 2021 12m 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

    26/00454/FULL Submitted 20 Feb 2026 23m away

    Detached outbuilding with terrace ancillary to the main dwelling.

    Refused Full applications 10 docs
    Small domestic

  • 6 Castle Avenue Datchet Slough SL3 9BA

    26/01087/FULL Submitted 1 May 2026 24m away

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

    Granted Full applications 11 docs
    Small domestic

In Windsor and Maidenhead

  • 26/00501/CPU Refused

    143 Cookham Road Maidenhead SL6 7EU

    Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.

    25 Feb 2026 Lawful development
  • 26/01763/CPU Refused

    Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead

    Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.

    17 Jul 2026 Lawful development
  • 26/01615/CLU Granted

    Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT

    Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.

    1 Jul 2026 Lawful development
  • 26/01581/CLD Granted

    The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead

    Certificate of lawfulness to determine whether the existing bollard is lawful.

    26 Jun 2026 Lawful development
  • 26/02117/CPD Awaiting decision

    27 Tyrell Gardens Windsor SL4 4DH

    Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

    26 Aug 2026 Lawful development