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Planning application

Holly Dell 33A Whitmore Lane Ascot SL5 0NA

Refused Windsor and Maidenhead 19/03117/CPD Cert of Lawfulness of Proposed Dev

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Certificate of lawfulness to determine whether the proposed single storey extension is lawful.

As published by the council, reference 19/03117/CPD

Application record

Reference
19/03117/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Refuse
Received
11 Nov 2019
Validated
15 Nov 2019
Decided
19 Dec 2019
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 0NA

Timeline

Dates from the published record

  1. 11 Nov 2019

    Received by Windsor and Maidenhead

  2. 15 Nov 2019

    Validated

    Checked as complete and ready for consideration.

  3. 19 Dec 2019

    Decision issued: Refuse

  4. 24 Aug 2026

    Added to PlanIndex

Documents

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

9 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.

Trade members open them from here.

Open the documents

What this refusal means

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 35 Dale Lodge Road Sunningdale Ascot SL5 0LY

    19/02829/FULL Submitted 14 Oct 2019 101m away

    Proposed front and part single part two storey side/rear extension with alterations to fenestration including 2no. new windows to first floor side elevations. Render to all elevations and cladding to part first floor.

    Granted Full applications Extension Windows or glazing 13 docs
  • Holly Cottage Whitmore Lane Ascot SL5 0NA

    21/01039/CONDIT Submitted 6 Apr 2021 119m away

    Details required by conditions 2 (materials), 6 (tree protection measures) and 7 (hard and soft landscaping) of planning permission 20/00928/FULL for a replacement dwelling, following demolition of the existing dwelling and outbuildings.

    Granted Conditions Demolition Trees 26 docs
    Domestic
  • Callally Whitmore Lane Ascot SL5 0NA

    26/00864/FULL Submitted 7 Apr 2026 140m away

    Single storey side extension, new steps, 1no. chimney, 1no. outbuilding ancillary to the main dwelling with pergola, PV panels, 1no. ASHP, alterations of the existing terrace and to fenestration following demolition of existing elements.

    Granted Full applications Extension Demolition +1 34 docs
    Small domestic
  • 30 Dale Lodge Road Sunningdale Ascot SL5 0LY

    24/01854/FULL Submitted 1 Aug 2024 141m away

    Garage conversion, front infill extension with new front canopy, single storey front extension, single storey rear extension, first floor side extension and alterations to the external finish and fenestration.

    Refused Full applications Extension Windows or glazing 21 docs
    Small domestic
  • 30 Dale Lodge Road Sunningdale Ascot SL5 0LY

    25/02089/FULL Submitted 15 Aug 2025 141m away

    Garage conversion, new front canopy and mono pitched roof to the front elevation, single storey front extension, single storey rear extension, first floor side extension and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 19 docs
    Small domestic
  • 20 Dale Lodge Road Sunningdale Ascot SL5 0LY

    21/03132/FULL Submitted 21 Oct 2021 143m away

    Part single, part two storey, part first floor front/side extension with canopy roof to the front elevation and a single storey rear extension.

    Granted Full applications Extension 10 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