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Planning application

21/01765/CLD

45 Summerleaze Road Maidenhead SL6 8EW

Granted Windsor and Maidenhead Certificate of Lawfulness of Development

Proposal

Certificate of lawfulness to determine whether the existing two storey rear extension is lawful.

As published by the council, reference 21/01765/CLD

Timeline

Dates from the published record

  1. 7 Jun 2021

    Received by Windsor and Maidenhead

  2. 2 Aug 2021

    Decision issued: Permitted Development

  3. 27 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 26/00246/FULL Refused

    50 Summerleaze Road Maidenhead SL6 8EN

    Change of use of gravel pit land to residential garden with raised ground levels, retaining wall, fencing, glass balustrade and landscaping. (Retrospective).

    29 Jan 2026 68m away Full applications
  • 26/01783/FULL Awaiting decision

    50 Summerleaze Road Maidenhead SL6 8EN

    Change of use of gravel pit land to residential garden with raised ground levels, retaining wall, fencing, glass balustrade and landscaping. (Retrospective).

    21 Jul 2026 71m away Full applications
  • 22/03421/FULL Granted

    21 Summerleaze Road Maidenhead SL6 8EW

    Part single part two storey rear/side extension, hip to gable to create accommodation within the roofspace, x1 rear dormer and alterations to fenestration following demolition of existing rear element.

    28 Dec 2022 124m away Full applications
  • 26/00947/TPO Awaiting decision

    Land At Summerleaze Road Maidenhead

    (T2)(tag 2858) Willow - crown reduce lateral branches by up to 2.0m that are in contact with overhead services to provide clearance from overhead services up to 2m by targeting secondary points of pruning where possible; (G1) Mixed Broadleaf Species: Hawthorn - remove, Hazel - crown reduce lower branches by 2.0m that encroach over highway to provide statutory clearance of approximately 5.2m fgl (from ground level) and Sycamore- remove. (T5) Poplar - remove to approximately 1m from ground level; (T7) Field Maple - crown reduce lateral branches by 1.5m to provide clearance of up to 1.5 m from overhead service cables and crown reduce lower branches by 2.5m to maintain statutory clearance over of 5.2m. This action will target secondary branches by removal of up to 2.5m in length where possible to achieve statutory clearance. If primary branches need to be removed to achieve statutory clearance the size of wounds should not exceed 60mm in diameter; (T9) Willow - crown reduce stem with historic branch tear out wound to approximately 2m fgl; (2) Sycamore x 2 - remove; (T10) Ash - crown reduce low branches by pruning lower branches to maintain statutory clearance over highway of 5.2m, this action will target secondary branches of up to 2.5m in length where possible to achieve statutory clearance. If primary branches need to be removed to achieve statutory clearance the size of wounds should not exceed 60mm in diameter, & clearance of overhead service cables of up to 1.5m; (G2) Various Broadleaf Species - crown reduce branches and stems by 1.5m back from boundary fence, Willow - stem closest to fence to point of origin near dead stub to maintain as a smaller habitat pole and (T12)(tag 2859) Ash - crown reduce by 1.5m by targeting secondary points of pruning to clear overhead service cables by up to 1.5m. (008/2020/TPO).

    16 Apr 2026 131m away Trees
  • 26/00763/FULL Granted

    72 Summerleaze Road Maidenhead SL6 8EP

    Single storey front/side extension with relocated front entrance

    25 Mar 2026 222m away Full applications
  • 22/03343/FULL Granted

    101 Summerleaze Road Maidenhead SL6 8ER

    Single storey rear extension and new patio.

    16 Dec 2022 243m 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