1 Lonsdale Avenue Margate Kent CT9 3BA

1. 25 May 2026

   Received by Thanet

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Decision issued: Grant Certificate

4. 29 Jul 2026

   Added to PlanIndex

Thanet granted permission on 21 July 2026, 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.

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.

• 3 Lonsdale Avenue Margate Kent CT9 3BA

  FH/TH/25/1163 Submitted 28 Oct 2025 0m away

  Variation of condition 2 of planning permission FH/TH/24/0647 'Erection of 1No. rear dormer and single storey side extension (to enlarge existing extension), together with insertion of 1No. rooflight to front roof slope' to allow increase of ground floor extension and removal of front facade projection.

  Granted Householder Extension Loft or dormer 6 docs
  Small domestic

• 1A Devonshire Gardens MARGATE Kent CT9 3AF

  FH/TH/21/1098 Submitted 12 Jul 2021 65m away

  Erection of a single storey rear extension

  Granted Householder Extension 6 docs
  Small domestic

• 1D Devonshire Gardens MARGATE Kent CT9 3AF

  F/TH/21/1042 Submitted 29 Jun 2021 104m away

  Retrospective change of use from single dwelling (Use Class C3) to guest house (Use Class C1)

  Refused Full applications 22 docs
  Domestic

• 30 Princes Gardens Margate Kent CT9 3AR

  FH/TH/24/1101 Submitted 18 Sep 2024 140m away

  Variation of condition 2 of planning permission FH/TH/22/0647 for the "Erection of single storey rear and side extensions together with enlargements of roof terrace to front elevation" to allow alterations to fenestration and alterations to patio

  Granted Householder Extension Windows or glazing 5 docs
  Small domestic

• 9 Wishing Towers 18 Eastern Esplanade MARGATE Kent CT9 3BG

  FH/TH/21/0970 Submitted 17 Jun 2021 161m away

  Erection of third floor rear extension

  Granted Householder Extension 12 docs
  Domestic

• Wishing Towers 18 Eastern Esplanade MARGATE Kent CT9 3BG

  F/TH/21/0981 Submitted 18 Jun 2021 162m away

  Installation of replacement timber to UPVC windows and doors

  Refused Full applications Windows or glazing 9 docs

• 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/26/0750 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
• CD/TH/26/0638 Withdrawn

  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

  15 Jun 2026 Lawful development