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Planning application

Elm Cottage Hills Lane Cookham Maidenhead SL6 9NX

Refused Windsor and Maidenhead 23/00969/CPD Cert of Lawfulness of Proposed Dev

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 replacement greenhouse is lawful.

As published by the council, reference 23/00969/CPD

Application record

Reference
23/00969/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refuse
Received
18 Apr 2023
Validated
11 May 2023
Decided
12 Jun 2023
Ward
Bisham And Cookham
Parish
Cookham Parish
Decision by
Delegated
Postcode
SL6 9NX

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2023: 1 approved, 1 refused.

  • 26/00229/FULL Granted

    Elm Cottage Hills Lane Cookham Maidenhead SL6 9NX

    Alteration to the main roof, side wall, chimney, bay window and fenestration following demolition of existing internal elements, to the cottage ancillary the main dwellinghouse.

    Decided 27 Aug 2026 Full applications

Timeline

Dates from the published record

  1. 18 Apr 2023

    Received by Windsor and Maidenhead

  2. 11 May 2023

    Validated

    Checked as complete and ready for consideration.

  3. 12 Jun 2023

    Decision issued: Refuse

  4. 12 Sep 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.

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

  • Elm Cottage Hills Lane Cookham Maidenhead SL6 9NX

    26/00229/FULL Submitted 27 Jan 2026 2m away

    Alteration to the main roof, side wall, chimney, bay window and fenestration following demolition of existing internal elements, to the cottage ancillary the main dwellinghouse.

    Granted Full applications Demolition Windows or glazing 28 docs
    Domestic

  • Timber House Hills Lane Cookham Maidenhead SL6 9NX

    25/03355/CPD Submitted 16 Dec 2025 32m away

    Certificate of lawfulness to determine whether the proposed single storey rear extension and single storey outbuilding incidental to the main dwelling is lawful.

    Refused Lawful development Extension 7 docs
    Small domestic

  • Merlins Hills Lane Cookham Maidenhead SL6 9NX

    20/02543/FULL Submitted 29 Sep 2020 48m away

    Repaving and enlargement of an existing raised patio and the replacement/erection of associated retaining walls - retrospective.

    Granted Full applications 14 docs

  • Merlins Hills Lane Cookham Maidenhead SL6 9NX

    20/03201/CPD Submitted 30 Nov 2020 48m away

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

    Granted Lawful development 13 docs

  • Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX

    23/01994/CPD Submitted 15 Aug 2023 69m away

    Certificate of lawfulness to determine whether the single storey rear extension and 2no. new rear dormers following demolition of existing elements is lawful.

    Withdrawn Lawful development Extension Loft or dormer +1 11 docs
    Small domestic

  • Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX

    22/02830/FULL Submitted 21 Oct 2022 73m away

    Single storey rear extension, increase to the exisiting habitable accommodation within the roofspace, 1no. rear dormer with Juliet balcony and alterations to fenestration.

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

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