Planning application
26/00594/CLP
34 St Clement's Avenue Leigh-on-sea Essex SS9 3BL
Proposal
Erect single storey rear extension, install window and access door to side elevation
As published by the council, reference 26/00594/CLP
Timeline
Dates from the published record
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29 Apr 2026
Received by Southend-on-Sea
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7 May 2026
Validated
Checked as complete and ready for consideration.
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30 Jun 2026
Decision issued: Grant Lawful Dev Certificate (Proposed)
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23 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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21/01400/GPDE Decided
244 Manchester Drive Leigh-on-sea Essex SS9 3ES
Erect single storey rear extension, projecting 4m beyond the existing rear wall of the dwelling, 3m high to eaves and with a maximum height of 3m
-
24/01467/FULH Granted
148 Station Road Leigh-on-sea Essex SS9 3BW
Erect single storey rear extension with a flat roof and glass roof light, install vehicle crossover onto Station Road
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26/00553/FULH Granted
52 Tankerville Drive Leigh-on-sea Essex SS9 3DF
Install dormer to rear and rooflights to front to create habitable accommodation in the loftspace, erect single storey rear extension and alter elevations
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22/02284/FUL Granted
West Leigh Baptist Church Lymington Avenue Leigh-on-sea Essex SS9 2AJ
Erect two storey extension to rear of church, form central courtyard with landscaping, lay out parking spaces, mobility scooter and cycle store and form new vehicle crossovers onto Lymington Avenue
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26/00914/AD Status unknown
West Leigh Baptist Church Lymington Avenue Leigh-on-sea Essex SS9 2AJ
Application for approval of details pursuant to conditions 11 (travel plan), 13 (construction method statement) and 17 (noise mitigation measures) of planning permission 25/00495/AMDT dated 11/06/2026
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26/00686/PA62 Refused
1134 London Road Leigh-on-sea Essex SS9 2AJ
Demolition of existing garages and ancillary outbuildings and erection of detached building comprising 4 self-contained flats (Class C3) (Prior Approval)
Other lawful development applications
In Southend-on-Sea
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26/00841/CLP Granted
52 Bellhouse Road Eastwood Leigh-On-Sea Essex SS9 5NL
Install rear dormer to create habitable accommodation in the loftspace and alter side elevation (Lawful Development Certifcate - Proposed)
-
26/00818/CLP Granted
20 Carlton Drive Leigh-on-sea Essex SS9 1DE
Dormers to sides and juliette balcony to rear to form habitable accommodation in loftspace (certificate of lawful development - proposed)
-
26/00741/CLE Granted
57 - 59 Elm Road Leigh-on-sea Essex SS9 1SP
Confirmation that planning permission 16/01572/FUL as varied by 18/01443/AMDT has been lawfully implemented (Certificate of Lawful Development - Existing)
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26/00746/CLP Granted
21 Shanklin Drive Westcliff-on-sea Essex SS0 9XU
Removal of chimney stack on rear roof slope, erect dormer to rear to create habitable accommodation in roof space, two rooflights to front roof slope, alterations to elevations (Lawful Development Certificate - Proposed)
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26/00978/CLP Status unknown
90 Tudor Gardens Shoeburyness Southend-on-sea Essex SS3 9JH
Hip to gable roof extension and dormer to rear and rooflights to front to form habitable accommodation in the loftspace (Certificate of Lawful Development - Proposed)