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131 Blenheim Crescent Leigh-on-sea Essex SS9 3DX

26/00606/CLPCertificate of Lawfulness (Proposed)Approved
Outline / PiP

Approved on 30 June 2026

Council decision: Grant Lawful Dev Certificate (Proposed)Delegated (officer decision)

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

Proposal

Dormer to rear and rooflights to front to form habitable accommodation in the loftspace (certificate of lawful development - proposed)

Received
2 May 2026
Decision level
Delegated (officer decision)
Ward
Blenheim Park
  1. Received2 May
  2. Validated5 May
  3. Consult.
  4. Target30 Jun
  5. Decided30 Jun

Decided in 56 days (council typically 56)

About this application

This is an outline application for a dormer extension at 131 Blenheim Crescent Leigh-on-sea Essex SS9 3DX. Southend has handled 587 applications of this type. This one was decided in 59 days, 3 days longer than Southend's typical decision time. There are no previous applications recorded at this address. In the past year there have been 37 applications across Blenheim Park. We hold 2,526 applications in total for the SS9 postcode area.

82% of outline 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 3DX
Application type
Certificate of Lawfulness (Proposed)
Scale / size
Small
Parish
Leigh Town Council

Planning application dates

Date validated
5 May 2026
Target decision date
30 June 2026

Planning decision

Statutory period
56 days

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • 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.

Source: Southend

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