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Planning application

22/02541/CPD

19 Longbourn Windsor SL4 3TN

Refused Windsor and Maidenhead Cert of Lawfulness of Proposed Dev

Proposal

Certificate of lawfulness to determine whether the siting of a mobile home constructed and assembled to the specifications within the terms of the application, supporting statement and plans, ancillary to the main dwelling is lawful.

As published by the council, reference 22/02541/CPD

Timeline

Dates from the published record

  1. 16 Sep 2022

    Received by Windsor and Maidenhead

  2. 14 Dec 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

  • 22/02540/FULL Withdrawn

    19 Longbourn Windsor SL4 3TN

    Erection of a single storey granny annexe ancillary to the main dwelling.

    16 Sep 2022 3m away Full applications
  • 22/02409/PDXL Granted

    16 Bailey Close Windsor SL4 3RD

    Single storey rear extension no greater than 4.56m in depth, 3.00m high with an eaves height of 3.00m.

    1 Sep 2022 33m away Prior approval
  • 26/01756/FULL Awaiting decision

    3 Bailey Close Windsor SL4 3RD

    Garage conversion with mono pitched roof and 1 no. front rooflight

    17 Jul 2026 82m away Full applications
  • 21/01340/VAR Granted

    Kent House Hatch Lane Windsor SL4 3QT

    Variation (under Section 73a) of Condition17 (approved plans) to substitute those plans approved under 20/03397 for the Part single/part two storey side/rear extension to include rear Juliet balcony, 1 No. first floor side window, replacement/alterations of the roof incorporating 1 No. rear dormer and rooflights, front gable extension and alterations to fenestration including a bay window, increase in height of existing chimney and new front boundary treatment to include pillars and railings. with amended plans.

    30 Apr 2021 103m away Amendments
  • 21/01343/CONDIT Granted

    Kent House Hatch Lane Windsor SL4 3QT

    Details required by condition 2 (external materials) 11( hard and soft landscaping) of planning permission 20/03397 for part single/part two storey side/rear extension to include rear Juliet balcony, 1 No. first floor side window, replacement/alterations of the roof incorporating 1 No. rear dormer and rooflights, front gable extension and alterations to fenestration including a bay window, increase in height of existing chimney and new front boundary treatment to include pillars and railings.

    30 Apr 2021 103m away Conditions
  • 22/03102/FULL Refused

    Hatch Cottage Hatch Lane Windsor SL4 3QT

    New front porch canopy, 1no. front bay window, part single, part two storey front/side/rear extension with Juliet balcony, flue to the side elevation and alterations to fenestration following the demolition of the existing garage.

    18 Nov 2022 135m away Full applications

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