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Planning application

21 Mills Spur Old Windsor Windsor SL4 2ND

Granted Windsor and Maidenhead 20/02269/CPD Cert of Lawfulness of Proposed Dev

Works: Loft or dormer

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

Proposal

Certificate of lawfulness to determine whether the proposed x3 front rooflights and x1 rear dormer to facilitate a loft conversion is lawful.

As published by the council, reference 20/02269/CPD

Application record

Reference
20/02269/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Granted As published: Permitted Development
Received
3 Sep 2020
Validated
3 Sep 2020
Decided
26 Oct 2020
Ward
Old Windsor
Parish
Old Windsor Parish
Decision by
Delegated
Postcode
SL4 2ND

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2020: 2 approved, 0 refused.

  • 21/00348/FULL Granted

    21 Mills Spur Old Windsor Windsor SL4 2ND

    Construction of a detached outbuilding forming a granny annexe ancillary to main dwelling.

    Decided 19 Mar 2021 Full applications
  • 20/02005/CPU Withdrawn

    21 Mills Spur Old Windsor Windsor SL4 2ND

    Certificate of lawfulness to determine whether the proposed use of the land to station a mobile home granny annexe for use incidental to the main dwelling is lawful.

    Decided 24 Mar 2021 Lawful development

Timeline

Dates from the published record

  1. 3 Sep 2020

    Received by Windsor and Maidenhead

  2. 26 Oct 2020

    Decision issued: Permitted Development

  3. 27 Sep 2026

    Added to PlanIndex

Documents

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

8 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 26 October 2020, 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 0.3 miles

  • 21 Mills Spur Old Windsor Windsor SL4 2ND

    21/00348/FULL Submitted 8 Feb 2021 50 yards away

    Construction of a detached outbuilding forming a granny annexe ancillary to main dwelling.

    Granted Full applications 25 docs
    Small domestic

  • 21 Mills Spur Old Windsor Windsor SL4 2ND

    20/02005/CPU Submitted 10 Aug 2020 50 yards away

    Certificate of lawfulness to determine whether the proposed use of the land to station a mobile home granny annexe for use incidental to the main dwelling is lawful.

    Withdrawn Lawful development 28 docs
    Domestic

  • 13 Mills Spur Old Windsor Windsor SL4 2ND

    20/01486/FULL Submitted 24 Jun 2020 50 yards away

    Single storey front extension, infill extension and garage conversion into habitable accommodation with alteration to fenestration.

    Granted Full applications Extension Windows or glazing 15 docs
    Small domestic

  • 33 Mills Spur Old Windsor Windsor SL4 2ND

    21/01214/FULL Submitted 20 Apr 2021 50 yards away

    Single storey rear extension with new roof to garage following demolition of conservatory extension and part removal of garage.

    Granted Full applications Extension Roofing +1 9 docs
    Small domestic

  • 15 Warrington Spur Old Windsor Windsor SL4 2NF

    26/02290/CPD Submitted 17 Sep 2026 100 yards away

    69% historically approved · decision due ~30 Nov

    Certificate of lawfulness to determine whether the proposed installation of external wall insulation is lawful.

    Awaiting decision Lawful development 4 docs

  • 19 Orchard Road Old Windsor Windsor SL4 2RZ

    23/01054/FULL Submitted 28 Apr 2023 100 yards away

    Conversion of existing detached garage to create an annexe ancillary to the main dwellinghouse

    Granted Full applications 10 docs
    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