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53 Northumberland Avenue Margate Kent CT9 3BJ

CD/TH/25/1281Certificate of Lawful Devpt - ProposedRefused
Outline / PiP

Refused on 19 March 2026

Council decision: Refuse CertificateDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Application for a Certificate of Lawful Development for the proposed small infill extension to the rear of the property

Received
26 November 2025
Decision level
Delegated (officer decision)
Ward
Cliftonville East
Agent
Fabric Architecture
  1. Received26 Nov
  2. Validated13 Jan
  3. Consult.
  4. Target10 Mar
  5. Decided19 Mar

Decided in 65 days (council typically 70)

About this application

This is an outline application for an extension at 53 Northumberland Avenue Margate Kent CT9 3BJ. Thanet has handled 341 applications of this type. This one was decided in 113 days, 6 weeks longer than Thanet's typical decision time. The site is in a conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 20 applications across Cliftonville East. We hold 1,298 applications in total for the CT9 postcode area.

78% of outline applications at Thanet District Council were approved. Across all application types, the council typically decides in about 10 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
CT9 3BJ
Application type
Certificate of Lawful Devpt - Proposed
Scale / size
Small
Parish
No Civil Parish

Planning application dates

Date validated
13 January 2026
Target decision date
10 March 2026

Applicant and agent

Agent
Fabric Architecture
Agent address
The Basement 1 High Street St Lawerence Ramsgate CT11 0QH

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Article 4 direction: Cliftonville ED
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Planning history at this site

1 other application at this property, newest first.

  1. 2026
    27 Jul

    Erection of a single storey rear extension. (retrospective)

    PendingHouseholderFH/TH/26/0432

Source: Thanet

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