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Planning application

22/02520/CPD

71 Blackamoor Lane Maidenhead SL6 8RJ

Refused Windsor and Maidenhead Cert of Lawfulness of Proposed Dev

Proposal

Certificate of lawfulness to determine whether the Hip to gable, x1 rear dormer to accommodate a loft conversion with juliet balcony, x2 new front rooflights is lawful.

As published by the council, reference 22/02520/CPD

Timeline

Dates from the published record

  1. 15 Sep 2022

    Received by Windsor and Maidenhead

  2. 31 Oct 2022

    Decision issued: Refuse

  3. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 22/02945/CPD Granted

    71 Blackamoor Lane Maidenhead SL6 8RJ

    Certificate to lawfulness to determine whether the Hip to Gable, x1 rear dormer , x2 new front rooflights is lawful.

    4 Nov 2022 4m away Lawful development
  • 26/00837/TPO Granted

    108 Blackamoor Lane Maidenhead SL6 8RH

    (T5) - Maple - Crown lift secondary and tertiary branches to a maximum of 2.5m over front garden, retaining primary branches. (003/2024/TPO)

    31 Mar 2026 62m away Trees
  • 22/03338/CPD Granted

    100 Blackamoor Lane Maidenhead SL6 8RH

    Certificate of lawfulness to determine whether the conversion of existing roofspace including hip to gable extension and rear dormer is lawful.

    15 Dec 2022 83m away Lawful development
  • 26/00669/FULL Granted

    1 Brambling Way Maidenhead SL6 8PQ

    Garage conversion and alterations to fenestration.

    12 Mar 2026 123m away Full applications
  • 22/02769/FULL Granted

    17 Florence Avenue Maidenhead SL6 8SJ

    Garage conversion, single storey rear extension, alterations to fenestration and a detached outbuilding.

    12 Oct 2022 184m away Full applications
  • 26/01021/CPD Refused

    Eastlea 35 Florence Avenue Maidenhead SL6 8SJ

    Certificate of lawfulness to determine whether the proposed removal of 2no. chimneys, alterations to fenestration and external insulation and render to the front and sides of the dwelling is lawful.

    24 Apr 2026 234m away Lawful development

In Windsor and Maidenhead

  • 26/01836/CPD Awaiting decision

    Rivendale 22A Gloucester Drive Wraysbury Staines TW18 4TY

    Certificate of lawfulness to determine whether the proposed conversion of the existing garage into habitable space is lawful.

    27 Jul 2026 Lawful development
  • 26/01528/CPD Granted

    Foxley Manor Forest Green Road Holyport Maidenhead SL6 2NW

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

    22 Jun 2026 Lawful development
  • 26/01532/CPD Granted

    72 Highway Avenue Maidenhead SL6 5AQ

    Certificate of Lawfulness to determine whether the proposed rear dormer roof extension and associated internal alterations to enlarge the existing loft accommodation is lawful.

    22 Jun 2026 Lawful development
  • 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.

    24 Jul 2026 Lawful development
  • 26/01772/CPD Granted

    18 Broken Furlong Eton Windsor SL4 6PD

    Certificate of lawfulness to determine whether the proposed erection of a single storey rear detached annex to be used incidental with the host dwelling is lawful.

    20 Jul 2026 Lawful development