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Planning application

Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

Granted Windsor and Maidenhead 20/02313/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 provision of a mobile home (not operational development) within the garden of the residential property for use as additional accommodation by one household (not a material change of use) is lawful.

As published by the council, reference 20/02313/CPD

Application record

Reference
20/02313/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Granted As published: Permitted Development
Received
7 Sep 2020
Validated
7 Sep 2020
Decided
2 Nov 2020
Ward
Bisham And Cookham
Parish
Cookham Parish
Decision by
Delegated
Postcode
SL6 9AD

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 11 applications since 2020: 8 approved, 0 refused.

  • 25/02892/TCA Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    T001 Sycamore - remove basal growth. T002 Ash - fell. T005 Leyland cypress - remove broken branches. T006 Norway Maple - remove section on south side and remove weaker of crossing / rubbing branches.

    Decided 22 Dec 2025 Trees
  • 25/02716/TCA Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    (T1) Holly - Reduce height by 2m and shape round, leaving a final hight of 6m and spread of 5m. (T2) Lawson Cypress - Fell. (T3) Unknown - Fell.

    Decided 20 Nov 2025 Trees
  • 22/01786/FULL Withdrawn

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

    Decided 15 Sep 2022 Full applications
  • 22/01787/LBC Withdrawn

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Consent for a single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

    Decided 15 Sep 2022 Heritage and listed buildings
  • 21/02276/TCA Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    T1 - Horse Chestnut - cut back from summer house, T2 - Lawson Cypress - reduce height by 3 meters, T5 - Sycamore - fell. T6 - Species unknown - fell, T7 - Ash - fell, T8 - Tulip tree - pollard to a height of 4m.

    Decided 1 Sep 2021 Trees
  • 21/00759/LBC Withdrawn

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Consent for detached garage with workshop/storage above and extension to drive following demolition of existing garage.

    Decided 27 May 2021 Heritage and listed buildings
  • 20/02498/CONDIT Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Details required by condition 2 (drawings and methodology) of listed building consent 20/00030/LBC for consent for a single storey rear extension with glazed link to the main dwelling.

    Decided 18 Nov 2020 Conditions
  • 20/01133/TCA Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    (T1) Lawson's Cypress - fell; (T20) Horse Chestnut - cut back north east side by 3 -4 meters where it encroaches in to the crown of Beech tree to leave 10m; (T23) Lawson's Cypress - crown reduce by 10-11m to leave a height of 4m and (T27) Lawson's Cypress - fell.

    Decided 5 Aug 2020 Trees
  • 20/00030/LBC Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Consent for a single storey rear extension with glazed link to the main dwelling

    Decided 25 Feb 2020 Heritage and listed buildings
  • 20/00029/FULL Granted

    Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    Single storey rear extension with glazed link to the main dwelling

    Decided 25 Feb 2020 Full applications

Timeline

Dates from the published record

  1. 7 Sep 2020

    Received by Windsor and Maidenhead

  2. 2 Nov 2020

    Decision issued: Permitted Development

  3. 27 Sep 2026

    Added to PlanIndex

Documents

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

22 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 grant of permission means

Windsor and Maidenhead granted permission on 2 November 2020, 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 0.3 miles

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    20/02498/CONDIT Submitted 23 Sep 2020 50 yards away

    Details required by condition 2 (drawings and methodology) of listed building consent 20/00030/LBC for consent for a single storey rear extension with glazed link to the main dwelling.

    Granted Conditions Extension Windows or glazing 6 docs
    Small domestic

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    20/00030/LBC Submitted 8 Jan 2020 50 yards away

    Consent for a single storey rear extension with glazed link to the main dwelling

    Granted Heritage and listed buildings Extension Windows or glazing 13 docs
    Small domestic

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    20/00029/FULL Submitted 8 Jan 2020 50 yards away

    Single storey rear extension with glazed link to the main dwelling

    Granted Full applications Extension Windows or glazing 23 docs
    Small domestic

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    22/01786/FULL Submitted 4 Jul 2022 50 yards away

    Single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

    Withdrawn Full applications Extension Windows or glazing 17 docs
    Small domestic

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    21/00759/LBC Submitted 11 Mar 2021 50 yards away

    Consent for detached garage with workshop/storage above and extension to drive following demolition of existing garage.

    Withdrawn Heritage and listed buildings Extension Demolition 12 docs

  • Cromwell Cottage Alleyns Lane Cookham Maidenhead SL6 9AD

    22/01787/LBC Submitted 1 Jul 2022 50 yards away

    Consent for a single storey rear extension with glazed link to the main dwelling and covered area on the South East elevation.

    Withdrawn Heritage and listed buildings Extension Windows or glazing 16 docs
    Small domestic

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