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Planning application

1 Leigh Park Datchet Slough SL3 9JP

Refused Windsor and Maidenhead 26/00651/CPD Cert of Lawfulness of Proposed Dev

Works: Extension Demolition Windows or glazing

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

Proposal

Certificate of lawfulness to determine whether the proposed single story side extension and alterations to fenestration following demolition of existing side element is lawful.

As published by the council, reference 26/00651/CPD

Application record

Reference
26/00651/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refused As published: Refuse
Received
12 Mar 2026
Validated
16 Mar 2026
Decided
17 Apr 2026
Ward
Datchet Horton And Wraysbury
Parish
Datchet Parish
Decision by
Delegated
Postcode
SL3 9JP

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • 26/00964/CPD Granted

    1 Leigh Park Datchet Slough SL3 9JP

    Certificate of lawfulness to determine whether the proposed single storey side extension following the removal of the existing single storey side element is lawful.

    Decided 6 May 2026 Lawful development

Timeline

Dates from the published record

  1. 12 Mar 2026

    Received by Windsor and Maidenhead

  2. 16 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Apr 2026

    Decision issued: Refuse

  4. 25 Jul 2026

    Added to PlanIndex

Documents

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

11 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 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 0.3 miles

  • 1 Leigh Park Datchet Slough SL3 9JP

    26/00964/CPD Submitted 20 Apr 2026 50 yards away

    Certificate of lawfulness to determine whether the proposed single storey side extension following the removal of the existing single storey side element is lawful.

    Granted Lawful development Extension 9 docs
    Small domestic

  • 5 Leigh Park Datchet Slough SL3 9JP

    21/03139/CPD Submitted 21 Oct 2021 50 yards away

    Certificate of lawfulness to determine whether the proposed detached outbuilding is lawful.

    Granted Lawful development 6 docs

  • Pasha Lodge 42 London Road Datchet Slough SL3 9JN

    20/02262/FULL Submitted 1 Sep 2020 50 yards away

    New boundary treatment, new render, single storey front extension with entrance canopy, part single part two storey rear extension, alterations to the roof including raising of the eaves, x1 front dormer, x7 new rooflights and alterations to fenestration, following demolition of the existing conservatory.

    Granted Full applications Extension Loft or dormer +2 8 docs
    Small domestic

  • Pasha Lodge 42 London Road Datchet Slough SL3 9JN

    22/02082/FULL Submitted 28 Jul 2022 50 yards away

    Single storey front extension, part single, part two storey rear extension, 2no. rear Juliet balconies, new roof, raising of the eaves and ridge, 1no. front dormer, solar panels and alterations to fenestration. (Retrospective).

    Refused Full applications Extension Loft or dormer +2 20 docs
    Small domestic

  • 6 Leigh Park Datchet Slough SL3 9JP

    22/02943/FULL Submitted 3 Nov 2022 50 yards away

    Part single part two storey rear extension following demolition of existing element.

    Refused Full applications Extension Demolition 13 docs

  • Swallows Flight Deep Field Datchet Slough SL3 9JS

    20/01397/TCA Submitted 15 Jun 2020 100 yards away

    (T1) Cedar - Tip reduce branches by no more than 2m whilst maintaining a natural crown profile. Crown clean to remove all dead, broken and rubbing branches.

    Granted Trees 6 docs

In Windsor and Maidenhead

  • 26/02222/CPD Refused

    52 Audley Way Ascot SL5 8EF

    Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

    Received 8 Sep, published by the council 24 Sep 2026 Lawful development
  • 26/01954/CPD Withdrawn

    Mulberry House Waltham Road Maidenhead SL6 3NH

    Certificate of lawfulness to determine whether the single storey rear extension is lawful.

    Received 7 Aug, published by the council 16 Aug 2026 Lawful development
  • 26/01856/CLU Granted

    Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

    Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

    Received 28 Jul, published by the council 24 Aug 2026 Lawful development
  • 26/02022/CPD Refused

    14 Church View White Waltham Maidenhead SL6 3JQ

    Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

    Received 17 Aug, published by the council 2 Sep 2026 Lawful development
  • 26/01862/CLU Granted

    Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

    Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

    Received 29 Jul, published by the council 4 Aug 2026 Lawful development