20 Carlton Drive Leigh-on-sea Essex SS9 1DE

1. 23 Jul 2026

   Added to PlanIndex

2. 8 Aug 2026

   Status changed to Decided

   Previously Permitted.

Southend-on-Sea has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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.

• 22 High Cliff Drive Leigh-on-sea Essex SS9 1DG

  21/01549/FULH Submitted 28 Jul 2021 50 yards away

  Erect single storey rear/side extension

  Granted Householder Extension 5 docs
  Small domestic

• 194 Leigh Road Leigh-on-sea Essex SS9 1BS

  23/00154/NON Submitted 30 Jan 2023 50 yards away

  Amend configuration of staircase to accommodate ground floor commercial kitchen extract flue and alterations to the internal layout and reconfiguration of windows/doors on rear elevation - (Non-material amendment to planning permission 21/02303/FUL dated 25/01/2022)

  Refused Amendments Windows or glazing 12 docs

• Kingdom Hall Of Jehovah Witnesses 149A Leigh Road Leigh-on-sea Essex SS9 1JF

  24/01816/CLP Submitted 14 Nov 2024 100 yards away

  Change of use from place of worship (Class F2) to office building (Class E)

  Refused Lawful development

• E D C 149A Leigh Road Leigh-on-sea Essex SS9 1JF

  26/00709/AMDT Submitted 22 May 2026 100 yards away

  87% historically approved · decision due ~31 Jul

  Application to vary Condition 03 (hours of operation) to permit operation between 05:00-00:00 Monday to Friday and 07:00-20:00 Saturday and Sunday, and variation of Condition 06 (approved use) to include Use Class E(d) at ground floor level whilst retaining office use at first floor (Material Amendment to planning permission 24/02017/FUL dated 19/03/2025)

  Status unknown Amendments

• 10 Leigh Cliff Road Leigh-on-sea Essex SS9 1DJ

  26/00542/FULH Submitted 21 Apr 2026 100 yards away

  Erect single storey rear extension with rooflights

  Granted Householder Extension Loft or dormer
  Small domestic

• 8 Somerville Gardens Leigh-on-sea Essex SS9 1DD

  23/00106/FULH Submitted 23 Jan 2023 150 yards away

  Erect dormer to rear with juliet balcony, rooflights to front and convert loft into habitable accommodation (Retrospective)

  Refused Householder Loft or dormer 8 docs
  Domestic

• 26/01070/CLP Granted

  58 Ronald Park Avenue Westcliff-on-sea Essex SS0 9QN

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

  Received 11 Aug, published by the council 14 Aug 2026 Lawful development
• 26/01065/CLP Granted

  1132 London Road Leigh-on-sea Essex SS9 2AJ

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

  Received 10 Aug, published by the council 14 Aug 2026 Lawful development
• 26/01018/CLP Refused

  92 Vardon Drive Leigh-on-sea Essex SS9 3SQ

  Hip to gable roof extension with dormer to rear and rooflights to front to form habitable accommodation in the loftspace (certificate of lawful development - proposed)

  Received 30 Jul, published by the council 8 Aug 2026 Lawful development
• 26/01008/CLP Granted

  61 Flemming Avenue Leigh-on-sea Essex SS9 3AN

  Hip to gable loft conversion, rooflights to front, and dormer to rear with Juliet balcony to create habitable accommodation in roof space (Lawful Development Certificate - Proposed).

  Received 29 Jul, published by the council 8 Aug 2026 Lawful development
• 26/01020/CLP Granted

  66 Marlborough Road Southend-on-sea Essex SS1 2UD

  Single storey side extension (Lawful Development Certificate - Proposed)

  Received 31 Jul, published by the council 8 Aug 2026 Lawful development