Skip to content
PlanIndex Get alerts
Menu

Planning application

Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

Refused Windsor and Maidenhead 21/03469/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 detached outbuilding is lawful.

As published by the council, reference 21/03469/CPD

Application record

Reference
21/03469/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refuse
Received
24 Nov 2021
Validated
24 Nov 2021
Decided
19 Jan 2022
Ward
Bisham And Cookham
Parish
Cookham Parish
Decision by
Delegated
Postcode
SL6 9UB

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 7 applications since 2021: 3 approved, 3 refused.

  • 26/01822/PDXL Granted

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.80m.

    Decided 28 Aug 2026 Prior approval
  • 26/01823/CPD Awaiting decision

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Certificate of lawfulness to determine whether the proposed garage conversion, alterations to fenestration, 1 no. front dormer and 1 no. rear dormer to facilitate a loft conversion is lawful.

    Submitted 24 Jul 2026 Lawful development
  • 26/01170/PDXL Granted

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Single storey rear extension no greater than 8.00m in depth, 3.84m high with an eaves height of 2.78m.

    Decided 4 Jun 2026 Prior approval
  • 26/01169/CPD Refused

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side/rear extension, 1no. dormer to north and 1no. dormer to south elevation and alterations to fenestration are lawful.

    Decided 3 Jul 2026 Lawful development
  • 26/00048/CPD Refused

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side extension, single storey rear extension, 1 no. front dormer and 1 no. rear dormer to facilitate a loft conversion is lawful.

    Decided 9 Mar 2026 Lawful development
  • 22/00347/CPD Granted

    Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

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

    Decided 11 Apr 2022 Lawful development

Timeline

Dates from the published record

  1. 24 Nov 2021

    Received by Windsor and Maidenhead

  2. 19 Jan 2022

    Decision issued: Refuse

  3. 16 Aug 2026

    Added to PlanIndex

Documents

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

7 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

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    22/00347/CPD Submitted 8 Feb 2022 0m away

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

    Granted Lawful development 7 docs

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    26/01823/CPD Submitted 24 Jul 2026 1m away

    69% historically approved · decision due ~18 Sep

    Certificate of lawfulness to determine whether the proposed garage conversion, alterations to fenestration, 1 no. front dormer and 1 no. rear dormer to facilitate a loft conversion is lawful.

    Awaiting decision Lawful development Loft or dormer Windows or glazing 12 docs

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    26/01170/PDXL Submitted 11 May 2026 1m away

    Single storey rear extension no greater than 8.00m in depth, 3.84m high with an eaves height of 2.78m.

    Granted Prior approval Extension 15 docs
    Small domestic

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    26/00048/CPD Submitted 8 Jan 2026 1m away

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side extension, single storey rear extension, 1 no. front dormer and 1 no. rear dormer to facilitate a loft conversion is lawful.

    Refused Lawful development Extension Loft or dormer 13 docs
    Small domestic

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    26/01822/PDXL Submitted 24 Jul 2026 3m away

    Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.80m.

    Granted Prior approval Extension 16 docs
    Small domestic

  • Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

    26/01169/CPD Submitted 11 May 2026 3m away

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side/rear extension, 1no. dormer to north and 1no. dormer to south elevation and alterations to fenestration are lawful.

    Refused Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

In Windsor and Maidenhead

  • 26/00501/CPU Refused

    143 Cookham Road Maidenhead SL6 7EU

    Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.

    25 Feb 2026 Lawful development
  • 26/01763/CPU Refused

    Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead

    Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.

    17 Jul 2026 Lawful development
  • 26/01615/CLU Granted

    Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT

    Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.

    1 Jul 2026 Lawful development
  • 26/01581/CLD Granted

    The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead

    Certificate of lawfulness to determine whether the existing bollard is lawful.

    26 Jun 2026 Lawful development
  • 26/02117/CPD Awaiting decision

    27 Tyrell Gardens Windsor SL4 4DH

    Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

    26 Aug 2026 Lawful development