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Planning application

21 Cornwallis Gardens Broadstairs Kent CT10 1DW

Granted Thanet CU/TH/25/1228 Certificate of Lawful Devpt - Existing

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

Proposal

Application for a Certificate of Lawful Use for existing external alterations

As published by the council, reference CU/TH/25/1228

Application record

Reference
CU/TH/25/1228
Type
Certificate of Lawful Devpt - Existing
Status
Decided
Decision
Grant Certificate
Received
13 Nov 2025
Validated
28 Nov 2025
Decided
9 Dec 2025
Ward
Bradstowe
Parish
Broadstairs And St Peters
Decision by
Delegated Planning Officer
Postcode
CT10 1DW

Site history

Applications at this address on the Thanet register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • FH/TH/25/1184 Granted

    21 Cornwallis Gardens Broadstairs Kent CT10 1DW

    Erection of a first floor balcony together with roof extension fronting King's Avenue and alterations to fenestration

    Decided 8 Jan 2026 Householder

Timeline

Dates from the published record

  1. 13 Nov 2025

    Received by Thanet

  2. 28 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 9 Dec 2025

    Decision issued: Grant Certificate

  4. 11 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice

15 applications on PlanIndex · 92% granted

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Documents

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

16 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

Thanet granted permission on 9 December 2025, 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

  • 20 Cornwallis Gardens Broadstairs Kent CT10 1DW

    FH/TH/26/0226 Submitted 4 Mar 2026 0m away

    Erection of a single storey rear extension (Retrospective)

    Granted Householder Extension 5 docs
    Small domestic

  • 21 Cornwallis Gardens Broadstairs Kent CT10 1DW

    FH/TH/25/1184 Submitted 31 Oct 2025 0m away

    Erection of a first floor balcony together with roof extension fronting King's Avenue and alterations to fenestration

    Granted Householder Extension Windows or glazing 19 docs
    Domestic

  • 19 Cornwallis Gardens Broadstairs Kent CT10 1DW

    FH/TH/26/0471 Submitted 6 May 2026 29m away

    Variation of condition 2 and 3 of planning permission FH/TH/22/0782 for the "Erection of single storey side extension following demolition of existing garage" to allow alterations to window at front elevation with changes to render and roof tiles

    Refused Householder Extension Roofing +2 6 docs
    Small domestic

  • 60 Kings Avenue Broadstairs Kent CT10 1DN

    FH/TH/26/0071 Submitted 26 Jan 2026 102m away

    Erection of veranda and external steps to rear following demolition of existing, installation of external door and changes to existing fenestration

    Granted Householder Demolition Windows or glazing 19 docs
    Domestic

  • 10 Tina Gardens Broadstairs Kent CT10 1BJ

    TPO/TH/24/1121 Submitted 24 Sep 2024 136m away

    TH/TPO/1(1982)T8 - T1: Ash- repollard to appropriate pruning points as part of pollard cycle, with finished height of approx. 6m from ground level.

    Granted Trees 7 docs

  • Lanthorne Court Lanthorne Road BROADSTAIRS Kent CT10 3PB

    CON/TH/20/1763 Submitted 22 Dec 2020 145m away

    Application for approval of conditions 5 (Surface Water Drainage), 8 (Emissions Mitigation Assessment), 9 (Air Quality Emissions Statement), 17 (Access Details), 18 (Highways Details), 21 (Visibility splays) and 25 (Foul and Surface Water Drainage) of Outline planning permission OL/TH/19/1761 for the erection of up to 53 dwellings including access following demolition of existing buildings

    Granted Conditions Demolition 2 docs
    Major scheme

In Thanet

  • CD/TH/26/0647 Granted

    Land West Of Richborough Way Ramsgate Kent

    Application for a Certificate of Lawful Development for the proposed unexploded ordnance (UXO) surveys and geoarchaeological investigations with associated temporary welfare facilities.

    19 Jun 2026 Lawful development
  • CD/TH/26/0636 Granted

    96 Percy Avenue Broadstairs Kent CT10 3LE

    Application for a Certificate of Lawful Development for hip to gable to the edge of the property and rear dormers with 2no skylights added to the front elevation

    15 Jun 2026 Lawful development
  • CD/TH/26/0254 Refused

    Garden Cottage Preston Road Ramsgate Kent CT12 5AS

    Application for Certificate of Lawful Development for the proposed siting of a twin-unit caravan within the residential curtilage to be used as ancillary accommodation to the main dwelling (creating no separate dwelling and having no separate services)

    11 Mar 2026 Lawful development
  • CD/TH/26/0561 Granted

    1 Lonsdale Avenue Margate Kent CT9 3BA

    Certificate of Lawful development for the erection of a rear dormer

    25 May 2026 Lawful development
  • CD/TH/26/0750 Awaiting decision

    Unit 15 - 19 Hedge End Industrial Estate St Nicholas At Wade Birchington Kent CT7 0NB

    Application for a certificate of lawful development to install solar panels to the roof of each unit

    17 Jul 2026 Lawful development