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21 Rockleigh Avenue Leigh-on-sea Essex SS9 1LA

26/00682/FULHFull Application - HouseholderAwaiting decision
Householder
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

Erect single storey rear/side extension with rooflights and alter elevations

Received
20 May 2026
Decision due
17 July 2026
Decision level
Delegated (officer decision)
Ward
Chalkwell
Agent
Knight Gratrix Architects
  1. Received20 May
  2. Validated22 May
  3. Consult.18 Jun
  4. Target17 Jul
  5. Decided

Have your say

Comments close on 18 June.

Comment on the council's siteDocuments

About this application

This is a full planning application for a side extension at 21 Rockleigh Avenue Leigh-on-sea Essex SS9 1LA. Southend has handled 2,422 applications of this type. It has been with the council since 20 May 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 58 applications across Chalkwell. 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 1LA
Application type
Full Application - Householder
Scale / size
Small

Planning application dates

Date validated
22 May 2026
Last date for comments
18 June 2026

Applicant and agent

Agent
Knight Gratrix Architects
Agent address
Suite 1, Royce House 630-634 London Road Westcliff-on-Sea Essex SS0 9HW

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 1: Low probability (rivers and sea)

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 (22)

flood storage areas, conservation areas, listed buildings, 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.

Associated applications

  1. 2026
    20 May

    Erect single storey rear/side extension with rooflights and alter elevations

    This applicationPendingFull26/00682/FULH
  2. 2026
    20 May

    Dormer to rear and rooflights to front to form habitable accommodation in the loftspace (certificate of…

    ApprovedCertificate of Lawfulness (Proposed)Filed alongside26/00683/CLP

Source: Southend

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