Leigh-on-Sea, Essex Planning Applications
Recent planning applications near Leigh-on-Sea, Essex.
Essex · England · settlement
About Leigh-on-Sea
Leigh-on-Sea, often known as Leigh, is a vibrant town and civil parish within Southend-on-Sea in Essex, England. As of the 2021 census, it boasts a population of 22,568, making it an important area for planning applications and local development initiatives.
Population: 22,568 (2021)
District: Southend-on-Sea
Enter a postcode to search for planning applications near Leigh-on-Sea.
Town Insights
Property Prices
Average property sale price: £460,318 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Southend-on-Sea
- Parliamentary constituency: Southend West and Leigh
- LSOA: Southend-on-Sea 011B
Crime Statistics
0 crimes reported in 2026-02.
Flood Risk
No active flood warnings near Leigh-on-Sea.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Leigh-on-Sea.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Leigh-on-Sea based on the last 24 months of planning data.
Nearby Applications
39 planning applications found near Leigh-on-Sea.
- - Minerva 176 Manchester Drive Leigh-on-sea Essex SS9 3EX
Demolish existing conservatory and erect single storey rear/side extension
Type: Full | Council: Southend | Date: 2026-05-05
View full details - - 134 Oakleigh Park Drive Leigh-on-sea Essex SS9 1RU
Install rear dormer to form habitable accommodation in the loftspace, single storey rear extension with rooflights, alter elevations (Lawful Development Certificate - Proposed)
Type: Outline | Council: Southend | Date: 2026-04-07
View full details - - 59 - 61 Cliffsea Grove Leigh-on-sea Essex
Application to vary Condition 02 (approved plans) to alter the site layout, relocate dwelling and vary crossover and street tree position and to remove Condition 15 (Trial hole investigation for adjac
Type: Amendment | Council: Southend | Date: 2026-04-01
View full details - - 31 Cheltenham Drive Leigh-on-sea Essex SS9 3EQ
Erect roof extension with rear dormer to create habitable accommodation in the loftspace, erect first floor side extension and alter elevations
Type: Full | Council: Southend | Date: 2026-03-30
View full details - - Rear Of 119 Leigh Road Leigh-on-sea Essex SS9 1JH
Change of use of rear ground floor from Commercial (Class E) to 2 self contained flats (Class C3) with alterations to fenestration (Prior Approval)
Council: Southend | Date: 2026-03-14
View full details - - 19 Cliffsea Grove Leigh-on-sea Essex SS9 1NG
Erect single storey rear extension
Type: Full | Council: Southend | Date: 2026-03-11
View full details - - 20 Kathleen Drive Leigh-on-sea Essex SS9 3EN
Amend Condition 02 (Approved Plans) to substitute drawing 132/25/B (Rev 1) with updated drawing 135/25/B (Rev 2) reflecting revised glazing to the side and rear elevation (Non-material amendment to pl
Status: Permitted | Type: Amendment | Council: Southend | Date: 2026-03-10
View full details - - West Leigh Baptist Church Lymington Avenue Leigh-on-sea Essex SS9 2AJ
Application for approval of details pursuant to condition 17 (noise mitigation) of planning permission 22/02284/FUL dated 07/03/2023
Type: Conditions | Council: Southend | Date: 2026-03-09
View full details - - 65 Kent Avenue Leigh-on-sea Essex SS9 3HE
Erect single-storey rear extension projecting 5.5m beyond the existing rear wall of the dwelling, 3m high to eaves and with a maximum height of 3m
Status: Rejected | Council: Southend | Date: 2026-02-11
View full details - - 46 Lymington Avenue Leigh-on-sea Essex SS9 2AU
Erect single-storey side/rear extension projecting 6m beyond the existing rear wall of the dwelling, 2.96m high to eaves and with a maximum height of 3.74m
Status: Conditions | Council: Southend | Date: 2026-02-09
View full details - - 40 Victoria Drive Leigh-on-sea Essex SS9 1SF
Erect pitched-roof gable dormer and rooflight to front, erect rear dormer with Juliet balcony, PV panels on rear dormer, alter elevations
Status: Conditions | Type: Full | Council: Southend | Date: 2026-01-09
View full details - - 59 - 61 Cliffsea Grove Leigh-on-sea Essex
Application to vary condition 02 (approved plans) - to include gable to bay window (Material amendment of planning permission 25/00865/FUL dated 07/10/2025)
Status: Conditions | Type: Amendment | Council: Southend | Date: 2026-01-06
View full details - - 62A Leighton Avenue Leigh-on-sea Essex SS9 1QA
Demolish existing first-floor rear extension and staircase, erect replacement extension, external staircase with landing and 1.8m high privacy screen
Status: Conditions | Type: Full | Council: Southend | Date: 2025-12-30
View full details - - 50 Lymington Avenue Leigh-on-sea Essex SS9 2AU
Erect single storey side and rear extension and alter elevations
Status: Conditions | Type: Full | Council: Southend | Date: 2025-12-16
View full details - - 59 - 61 Cliffsea Grove Leigh-on-sea Essex
Application for approval of details pursuant to condition 09 (Sustainable Drainage Systems (SUDS)) of planning permission 25/00865/FUL dated 07/10/2025
Status: Permitted | Type: Conditions | Council: Southend | Date: 2025-11-28
View full details - - 107 Manchester Drive Leigh-on-sea Essex SS9 3EY
Fell and treat stumps to prevent re-growth to 2no. Oak Trees (T1 and T2) to rear (Application for works to Trees subject to a Tree Preservation Order)
Status: Rejected | Type: Trees | Council: Southend | Date: 2025-11-17
View full details - - 59 - 61 Cliffsea Grove Leigh-on-sea Essex
Application for approval of details pursuant to conditions 3 (Full Details of Materials) and 11 (Demolition and Construction Management Plan and Strategy) of planning permission 25/00865/FUL dated 07/
Status: Conditions | Type: Conditions | Council: Southend | Date: 2025-10-24
View full details - - 59 - 61 Cliffsea Grove Leigh-on-sea Essex
Application for approval of details pursuant to condition 15 (Trial hole Method statement and Proposed Block plan) of planning permission 25/00865/FUL dated 07/10/2025
Status: Permitted | Type: Conditions | Council: Southend | Date: 2025-10-23
View full details - - 81 Cheltenham Drive Leigh-on-sea Essex SS9 3EQ
Hip to gable loft conversion with dormer to rear to form habitable accommodation in roof space, rooflights to front and alteration to side elevation (Lawful Development Certificate - Proposed)
Status: Rejected | Type: Outline | Council: Southend | Date: 2025-09-17
View full details - - 159 Station Road Leigh-on-sea Essex SS9 3BN
Demolish existing conservatory and existing single storey rear/side extension, hip to gable roof extension to create habitable accommodation in loft space, erect single storey rear extension and singl
Status: Rejected | Type: Full | Council: Southend | Date: 2025-07-12
View full details
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A brief summary of Leigh-on-Sea in Essex
Leigh-on-Sea, often known as Leigh, is a vibrant town and civil parish within Southend-on-Sea in Essex, England. As of the 2021 census, it boasts a population of 22,568, making it an important area for planning applications and local development initiatives. The settlement has a population of approximately 22,568 (2021 estimate). It sits within the Southend-on-Sea district.
Property prices in Leigh-on-Sea show an average sale price of £460,318, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Leigh-on-Sea a particularly low-crime area.
Leigh-on-Sea has 3 conservation areas within its boundaries: Leigh, Leigh Cliff, Leigh Old Town. Planning applications within or near these conservation areas are subject to additional scrutiny to preserve the architectural and historic character of the area. Homeowners and developers should be aware that permitted development rights may be restricted.
Ecology & Nature Designations
The area around Leigh-on-Sea includes 1 Sites of Special Scientific Interest (SSSI): Benfleet and Southend Marshes SSSI; 1 Special Protection Areas (SPA): Benfleet and Southend Marshes; 1 Ramsar Wetland Sites: Benfleet and Southend Marshes. These designations may affect planning decisions, as proposals near protected sites require environmental impact assessment and may face additional restrictions.
For anyone interested in property development or monitoring local planning decisions, Leigh-on-Sea planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Leigh-on-Sea
In the last 24 months, 100 planning applications were submitted near Leigh-on-Sea. Of these, 55% were approved, with an average decision time of 64 days.
This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Leigh-on-Sea.
At 64 days on average, decisions near Leigh-on-Sea slightly exceed the 8-week statutory target for minor applications, though this is common across many councils.
The most common application types near Leigh-on-Sea were full planning applications (47), outline applications (14), discharge of conditions (13). Full planning applications account for 47% of all submissions, covering new builds, change of use, and works that go beyond permitted development rights.
In terms of development scale, 2 medium-scale applications, 98 smaller schemes were submitted. The absence of major applications suggests the area is primarily characterised by smaller-scale improvements and extensions rather than large new developments.
6 planning appeals were lodged, of which 3 were allowed and 3 were dismissed (50% success rate). This relatively high appeal success rate suggests that the local authority may be refusing some applications that the Planning Inspectorate considers acceptable.
Application Outcomes
- Approved: 18 applications
- Refused: 14 applications
- Withdrawn: 1 application
- Awaiting decision: 67 applications
Nearby Towns
Explore planning applications in nearby areas:
- Chalkwell planning applications
- Eastwood planning applications
- Westcliff-on-Sea planning applications
- Stroud Green planning applications
- Southend-on-Sea planning applications
- Clifftown planning applications
- Hadleigh planning applications
- Prittlewell planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.