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Planning application

20 Laggan Square Maidenhead SL6 7LA

Granted Windsor and Maidenhead 23/02309/CPD Cert of Lawfulness of Proposed Dev

Works: Extension Loft or dormer Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness to determine whether the single storey rear extension, hip to gable, 3no. front rooflights and loft conversion to include 1no. rear dormer is lawful.

As published by the council, reference 23/02309/CPD

Application record

Reference
23/02309/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Permitted Development
Received
20 Sep 2023
Validated
20 Sep 2023
Decided
10 Nov 2023
Ward
Riverside
Parish
Maidenhead Unparished
Decision by
Delegated
Postcode
SL6 7LA

Timeline

Dates from the published record

  1. 20 Sep 2023

    Received by Windsor and Maidenhead

  2. 10 Nov 2023

    Decision issued: Permitted Development

  3. 8 Sep 2026

    Added to PlanIndex

Documents

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

14 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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What this grant of permission means

Windsor and Maidenhead granted permission on 10 November 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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

  • 1 Laggan Road Maidenhead SL6 7JY

    21/01704/FULL Submitted 1 Jun 2021 44m away

    Hip to gable roof alteration, 3no.front rooflights, 1no. rear dormer and alterations to fenestration.

    Granted Full applications Loft or dormer Windows or glazing 7 docs

  • 8 Laggan Road Maidenhead SL6 7JZ

    22/02470/FULL Submitted 8 Sep 2022 45m away

    Single storey side and first floor rear extension, hip to gable, x1 rear dormer and x2 front rooflghts to accommodate a loft conversion and alterations to fenestration.

    Granted Full applications Extension Loft or dormer +1 7 docs
    Small domestic

  • 18 Laggan Road Maidenhead SL6 7JZ

    22/01133/CPD Submitted 26 Apr 2022 51m away

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

    Refused Lawful development 7 docs

  • 11 Moor Lane Maidenhead SL6 7JX

    25/02199/FULL Submitted 26 Aug 2025 86m away

    Single storey rear extension and alterations to the external finish and fenestration.

    Granted Full applications Extension Windows or glazing 10 docs
    Small domestic

  • 17 Laggan Square Maidenhead SL6 7LA

    26/00714/CPD Submitted 19 Mar 2026 86m away

    Certificate of lawfulness to determine whether the proposed single storey side extension, 3no. front rooflights, 1no. rear dormer and hip to gable following the demolition of the existing detached garage and outbuilding is lawful.

    Granted Lawful development Extension Loft or dormer +1 10 docs
    Small domestic

  • 17 Laggan Square Maidenhead SL6 7LA

    26/00704/PDXL Submitted 18 Mar 2026 89m away

    Single storey rear extension no greater than 6.00m in depth, 4.00m high with an eaves height of 3.00m.

    Granted Prior approval Extension 12 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