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Planning application

Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

Refused Windsor and Maidenhead 21/00204/CPD Cert of Lawfulness of Proposed Dev

Works: Extension Demolition 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

Certificate of lawfulness to determine whether the proposed single storey side extension, following demolition of the existing conservatory is lawful.

As published by the council, reference 21/00204/CPD

Application record

Reference
21/00204/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refuse
Received
26 Jan 2021
Validated
1 Feb 2021
Decided
22 Apr 2021
Ward
Bisham And Cookham
Parish
Bisham Parish
Decision by
Delegated
Postcode
SL6 9UD

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 6 applications since 2021: 4 approved, 2 refused.

  • 22/02572/FULL Granted

    Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

    Widening of the existing driveway and access and new entrance gates.

    Decided 20 Dec 2022 Full applications
  • 22/01574/CPD Granted

    Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

    Certificate of lawfulness to determine whether the proposed two storey rear extension and alterations to fenestration is lawful.

    Decided 6 Sep 2022 Lawful development
  • 21/02618/FULL Granted

    Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

    Single storey side extension.

    Decided 22 Nov 2021 Full applications
  • 21/02432/CPD Refused

    Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

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

    Decided 12 Oct 2021 Lawful development
  • 21/01373/CPD Granted

    Imbers Grubwood Lane Cookham Maidenhead SL6 9UD

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

    Decided 29 Jun 2021 Lawful development

Timeline

Dates from the published record

  1. 26 Jan 2021

    Received by Windsor and Maidenhead

  2. 1 Feb 2021

    Validated

    Checked as complete and ready for consideration.

  3. 22 Apr 2021

    Decision issued: Refuse

  4. 12 Sep 2026

    Added to PlanIndex

Documents

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

12 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 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

In Windsor and Maidenhead

  • 26/01553/CLU Granted

    64 Priors Way Maidenhead SL6 2EN

    Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

    24 Jun 2026 Lawful development
  • 26/02230/CPD Awaiting decision

    15 Castle Avenue Datchet Slough SL3 9BA

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

    9 Sep 2026 Lawful development
  • 26/01039/CPD Refused

    Touchen End House Ascot Road Holyport Maidenhead SL6 3JY

    Certificate of lawfulness to determine whether the proposed outbuilding following demolition of existing garage is lawful.

    28 Apr 2026 Lawful development
  • 26/02205/CPD Awaiting decision

    15 Warrington Spur Old Windsor Windsor SL4 2NF

    Certificate of lawfulness to determine whether the proposed new driveway is lawful.

    7 Sep 2026 Lawful development
  • 26/01648/CPD Granted

    38 Tilstone Close Eton Wick Windsor SL4 6NG

    Certificate of lawfulness to determine whether the proposed formation of habitable room in roofspace with side dormer, 1 No front and side rooflights, 1 No. rear window and part hip to gable is lawful.

    6 Jul 2026 Lawful development