Planning application
46 Lymington Avenue Leigh-on-sea Essex SS9 2AU
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey rear and side extension with rooflights and glazing (Lawful Development Certificate - Proposed)
As published by the council, reference 26/00556/CLP
Application record
- Reference
- 26/00556/CLP
- Type
- Certificate of Lawfulness (Proposed)
- Status
- Permitted
- Decision
- Grant Lawful Dev Certificate (Proposed)
- Received
- 23 Apr 2026
- Validated
- 23 Apr 2026
- Decided
- 15 Jun 2026
- Ward
- Leigh
- Parish
- Leigh Town Council
- Decision by
- Delegated
- Postcode
- SS9 2AU
Timeline
Dates from the published record
-
23 Apr 2026
Received by Southend-on-Sea
-
15 Jun 2026
Decision issued: Grant Lawful Dev Certificate (Proposed)
-
19 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice
67 applications on PlanIndex · across 3 councils · 85% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
Documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat 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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3 Southsea Avenue Leigh-on-sea Essex SS9 2AX
84% historically approved
Demolish existing conservatory, erect part single part two storey rear/side extension, alteration to elevations
Awaiting decision Extension Demolition -
3 Southsea Avenue Leigh-on-sea Essex SS9 2AX
Erect part single/part two storey rear/side extension (Amended Proposal)
Granted Householder Extension 8 docsDomestic -
23B Southsea Avenue Leigh-on-sea Leigh-On-Sea Essex SS9 2AX
Erect dormer to rear to form habitable accommodation in the loftspace and rooflights to the front (Amended Proposal)
Granted Full applications Loft or dormer 10 docs -
1 Lymington Avenue Leigh-on-sea Essex SS9 2AU
Loft conversion with rear dormer to form habitable accommodation, removal of chimney and roof lights to front (Lawful development certificate - proposed)
Granted Lawful development Loft or dormer -
41 Southsea Avenue Leigh-on-sea Essex SS9 2AX
Erect single storey side and rear extension and single storey store to side
Granted Householder Extension 5 docsSmall domestic -
90 - 92 Elm Road Leigh-on-sea Essex SS9 1SP
Erect part single/part three storey rear extension with balconies to second floor rear, erect second storey front/side extension, form new entrance to front, convert building from 2no. commercial units and 2no. residential units to 2no. commercial units to ground floor and 4no. self-contained flats to ground, first and second floors
Refused Full applications New dwelling Extension 26 docs
Other lawful development applications
In Southend-on-Sea
-
26/00613/CLE Granted
57 York Road Southend-on-sea Essex SS1 2BZ
Use dwelling as a 9-person HMO (Certificate of Lawfulness - Existing)
-
26/01132/CLP Status unknown
16 Plymtree Thorpe Bay Essex SS1 3RA
Detached outbuilding to rear (certificate of lawful development - proposed)
-
26/00690/CLP Refused
472 Woodgrange Drive Southend-on-sea Essex SS1 3ED
Extend garage at front and rear
-
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)
-
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)