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Planning application

Merlins Hills Lane Cookham Maidenhead SL6 9NX

Granted Windsor and Maidenhead 20/03201/CPD Cert of Lawfulness of Proposed Dev

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

Proposal

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

As published by the council, reference 20/03201/CPD

Application record

Reference
20/03201/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Permitted Development
Received
30 Nov 2020
Validated
30 Nov 2020
Decided
29 Jan 2021
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 2020: 2 approved, 0 refused.

  • 20/02543/FULL Granted

    Merlins Hills Lane Cookham Maidenhead SL6 9NX

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

    Decided 7 Dec 2020 Full applications

Timeline

Dates from the published record

  1. 30 Nov 2020

    Received by Windsor and Maidenhead

  2. 29 Jan 2021

    Decision issued: Permitted Development

  3. 12 Sep 2026

    Added to PlanIndex

Documents

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

13 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 29 January 2021, 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

  • Merlins Hills Lane Cookham Maidenhead SL6 9NX

    20/02543/FULL Submitted 29 Sep 2020 0m away

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

    Granted Full applications 14 docs

  • Elm Cottage Hills Lane Cookham Maidenhead SL6 9NX

    26/00229/FULL Submitted 27 Jan 2026 46m 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

  • Elm Cottage Hills Lane Cookham Maidenhead SL6 9NX

    23/00969/CPD Submitted 18 Apr 2023 48m away

    Certificate of lawfulness to determine whether the proposed replacement greenhouse is lawful.

    Refused Lawful development 11 docs

  • Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX

    23/01994/CPD Submitted 15 Aug 2023 49m 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

    26/01404/TCA Submitted 8 Jun 2026 50m away

    (T1) Oak - Reduce crown by up to a maximum of 1 metre utilizing the drop crotching technique (reduction by thinning). Finished height of tree 13 metres. Finished crown spread north to south of 15 metres, and finished crown spread east to west of 12 metres. Tip reduce east profile of crown to provide up to a maximum of 2 metres clearance to the building structure, tip reduce lower south profile of crown to provide up to a maximum of 2 metres clearance to fence, tip reduce branches encroaching on telephone cable to provide up to a maximum of 1 metre clearance, crown lift over driveway and access track to provide up to a maximum of 4.5 metres height clearance, crown clean to remove broken, dead, damaged and rubbing branches.

    Granted Trees 9 docs
    Small domestic

  • Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX

    22/02830/FULL Submitted 21 Oct 2022 51m 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