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Planning application

91 Cannon Court Road Maidenhead SL6 7QP

Refused Windsor and Maidenhead 26/00516/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 rear extension and alterations to hardstanding following demolition of existing element is lawful.

As published by the council, reference 26/00516/CPD

Application record

Reference
26/00516/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refused As published: Refuse
Received
26 Feb 2026
Validated
26 Feb 2026
Decided
6 Mar 2026
Ward
Furze Platt
Parish
Maidenhead Unparished
Decision by
Delegated
Postcode
SL6 7QP

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 4 applications since 2026: 3 approved, 1 refused.

  • 26/01918/VAR Granted

    91 Cannon Court Road Maidenhead SL6 7QP

    Variation (under Section 73a) of planning permission 26/00385/FULL to vary condition 2 (Materials).

    Decided 22 Sep 2026 Amendments
  • 26/00709/CPD Granted

    91 Cannon Court Road Maidenhead SL6 7QP

    Certificate of lawfulness to determine whether the proposed single storey rear extension and alterations to the external finish following demolition of existing element is lawful

    Decided 11 May 2026 Lawful development
  • 26/00385/FULL Granted

    91 Cannon Court Road Maidenhead SL6 7QP

    Single storey wraparound extension (rear/side/front), garage conversion, 1no. flue, hardstanding, alterations front steps, external finishes and fenestration following demolition of existing elements.

    Decided 8 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 26 Feb 2026

    Received by Windsor and Maidenhead

  2. 6 Mar 2026

    Decision issued: Refuse

  3. 25 Jul 2026

    Added to PlanIndex

Documents

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

9 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.

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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 0.3 miles

  • 91 Cannon Court Road Maidenhead SL6 7QP

    26/01918/VAR Submitted 3 Aug 2026 50 yards away

    Variation (under Section 73a) of planning permission 26/00385/FULL to vary condition 2 (Materials).

    Granted Amendments 8 docs

  • 91 Cannon Court Road Maidenhead SL6 7QP

    26/00385/FULL Submitted 12 Feb 2026 50 yards away

    Single storey wraparound extension (rear/side/front), garage conversion, 1no. flue, hardstanding, alterations front steps, external finishes and fenestration following demolition of existing elements.

    Granted Full applications Extension Demolition +1 14 docs
    Small domestic

  • 91 Cannon Court Road Maidenhead SL6 7QP

    26/00709/CPD Submitted 18 Mar 2026 50 yards away

    Certificate of lawfulness to determine whether the proposed single storey rear extension and alterations to the external finish following demolition of existing element is lawful

    Granted Lawful development Extension Demolition 8 docs
    Small domestic

  • 3 The Chase Maidenhead SL6 7QW

    20/01419/TPO Submitted 16 Jun 2020 50 yards away

    (T4) - Sycamore - cut back to suitable growth points canopy which extends over the roof such that the building line is cleared by approx. 2m, as in the photographs submitted with the application. (T13) - Turkey Oak - cut back to suitable pruning points branches extending over the house to provide approx. 2-3m clearance of the building line of house and raise canopy over garage / wooden shed structure to provide approx. 3m clearance of the roofs as shown in the photographs submitted with the application. (TPO 20 of 1999)

    Granted Trees 5 docs
    Small domestic

  • Milton House Cannon Court Road Maidenhead SL6 7QN

    20/03329/CPD Submitted 10 Dec 2020 50 yards away

    Certificate of lawfulness to determine whether the proposed single storey front infill extension and rear dormer to facilitate a loft conversion is lawful.

    Refused Lawful development Extension Loft or dormer 9 docs
    Small domestic

  • Milton House Cannon Court Road Maidenhead SL6 7QN

    21/00343/FULL Submitted 5 Feb 2021 100 yards away

    Single storey front infill extension, x2 front rooflights and x1 rear dormer.

    Granted Full applications Extension Loft or dormer 24 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