131 Blenheim Crescent Leigh-on-sea Essex SS9 3DX

1. 2 May 2026

   Received by Southend-on-Sea

2. 5 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 30 Jun 2026

   Decision issued: Grant Lawful Dev Certificate (Proposed)

4. 23 Jul 2026

   Added to PlanIndex

Southend-on-Sea granted permission on 30 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.

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.

• 126 Blenheim Crescent Leigh-on-sea Essex SS9 3DX

  26/01362/GPDE 50 yards away

  86% historically approved

  Erect single storey rear extension projecting 4m beyond the existing rear wall of the dwelling, 2.1m high to eaves and with a maximum height of 2.4m

  Awaiting decision Extension
  Small domestic

• 89 Blenheim Crescent Leigh-on-sea Essex SS9 3DX

  23/00379/FULH Submitted 2 Mar 2023 50 yards away

  Erect single storey rear extension and alter side elevation

  Granted Householder Extension 5 docs
  Small domestic

• 1 Ellenbrook Close Leigh-On-Sea Essex SS9 3DY

  21/00710/FULH Submitted 7 Apr 2021 100 yards away

  Replace existing garage to rear

  Granted Householder 5 docs
  Domestic

• 108 Blenheim Chase Leigh-on-sea Essex SS9 3BT

  21/01351/FULH Submitted 1 Jul 2021 200 yards away

  Erect single storey rear extension, alter elevations

  Granted Householder Extension 7 docs
  Small domestic

• 192 Manchester Drive Leigh-on-sea Essex SS9 3EX

  23/00354/FULH Submitted 1 Mar 2023 200 yards away

  Erect hipped to gable roof extension, dormer to rear, rooflights to front and window to side to convert loft into habitable accommodation (Amended Proposal)

  Refused Householder Extension Loft or dormer +1 12 docs
  Domestic

• 192 Manchester Drive Leigh-on-sea Essex SS9 3EX

  22/02427/FULH Submitted 19 Dec 2022 200 yards away

  Erect single story rear extension and access ramp to front (amended proposal)

  Granted Householder Extension 13 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