Planning application
740 London Road Leigh-on-sea Essex SS9 3NL
Works: Extension Loft or dormer 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
Install dormer to rear and rooflights to front to create habitable accommodation in the loftspace, single storey rear extension, and alter elevations (Lawful Development Certificate - Proposed)
As published by the council, reference 26/00521/CLP
Application record
- Reference
- 26/00521/CLP
- Type
- Certificate of Lawfulness (Proposed)
- Status
- Permitted
- Decision
- Grant Lawful Dev Certificate (Proposed)
- Received
- 16 Apr 2026
- Validated
- 16 Apr 2026
- Decided
- 11 Jun 2026
- Ward
- Chalkwell
- Decision by
- Delegated
- Postcode
- SS9 3NL
Site history
Applications at this address on the Southend-on-Sea register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/00619/FULH Granted
740 London Road Leigh-on-sea Essex SS9 3NL
Install dormer to rear and rooflights to front to create habitable accommodation in loftspace, erect single storey rear extension with skylights, and alter elevations
Timeline
Dates from the published record
-
16 Apr 2026
Received by Southend-on-Sea
-
11 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 registered in Southend-On-Sea
91 applications on PlanIndex · across 7 councils · 81% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
Documents on file for this application
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Open the documentsWhat this grant of permission means
Southend-on-Sea granted permission on 11 June 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
740 London Road Leigh-on-sea Essex SS9 3NL
Install dormer to rear and rooflights to front to create habitable accommodation in loftspace, erect single storey rear extension with skylights, and alter elevations
Granted Householder Extension Loft or dormerSmall domestic -
Land Adjacent To 55 Rockleigh Avenue Leigh-on-sea Essex
92% historically approved · decision due ~30 Jul
Application for Approval of Details pursuant to conditions 03 (details of materials), 05 (hard and soft landscaping), 08 (energy efficiency and sustainability) and 13 (refuse and cycle storage) of planning permission 24/00190/FUL dated 23.08.2024
Status unknown Conditions -
Land Adjacent To 55 Rockleigh Avenue Leigh-on-sea Essex
Application for approval of details pursuant to condition 12 (surface water attenuation (SuDS)) of planning permission 24/00190/FUL dated 23.08.2024
Granted Conditions -
750 London Road Leigh-on-sea Essex SS9 3NL
Reduce by 2.5-3m and reshape, remove deadwood and diseased limb in centre to one Purple Leaved Plum Tree (T1) to front (Application to for works to Trees subject to a Tree Preservation Order)
Granted Trees -
Linden Court London Road Leigh-On-Sea Essex
Crown lift to 3m, remove epicormic growth and remove deadwood to one Ash (T1) to front on London Road and Crown lift to 3m, remove epicormic growth and remove deadwood to one Ash (T2) on West Side (Lindisfarne Avenue)(Works to Trees covered by a Tree Preservation Order)
Granted Trees 4 docs -
14 Lindisfarne Avenue Leigh-on-sea Essex SS9 3NR
Application for approval of details pursuant to condition 04 (obscure glazed privacy screen to balcony) of planning permission 25/01496/FULH dated 06.01.2026
Granted Conditions Windows or glazing
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)
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26/01132/CLP Status unknown
16 Plymtree Thorpe Bay Essex SS1 3RA
Detached outbuilding to rear (certificate of lawful development - proposed)
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26/00690/CLP Refused
472 Woodgrange Drive Southend-on-sea Essex SS1 3ED
Extend garage at front and rear
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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)