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10 Cosgrove Avenue Leigh-on-sea Essex SS9 3TZ

25/01702/FULHFull Application - HouseholderApproved
Householder

Approved on 9 February 2026

Council decision: Grant Conditional PermissionDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Raise ridge height, remodel roof to rear with balcony to form habitable accommodation in the loftspace, install roof terrace to rear, install entrance canopy to front, alter elevations

Received
3 December 2025
Decision level
Delegated (officer decision)
Ward
West Leigh
Agent
Stone Me Ltd
  1. Received3 Dec
  2. Validated3 Dec
  3. Consult.6 Feb
  4. Target28 Jan
  5. Decided9 Feb

Decided in 68 days (council typically 56)

About this application

This is a full planning application at 10 Cosgrove Avenue Leigh-on-sea Essex SS9 3TZ. Southend has handled 2,422 applications of this type. This one was decided in 68 days, 12 days longer than Southend's typical decision time. There are no previous applications recorded at this address. In the past year there have been 39 applications across West Leigh. We hold 2,526 applications in total for the SS9 postcode area.

84% of full applications at Southend-on-Sea City Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
SS9 3TZ
Application type
Full Application - Householder
Scale / size
Small
Parish
Leigh Town Council

Planning application dates

Date validated
3 December 2025
Last date for comments
6 February 2026
Target decision date
28 January 2026

Applicant and agent

Agent
Stone Me Ltd
Architect profile
STONE ME LIMITED
Agent address
5 Fountain Lane Hockley SS5 4ST

Planning decision

Statutory period
56 days

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site
  • Green belt: Southend-on-SeaNext to the site

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, conservation areas, listed buildings, 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.

Source: Southend

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