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

1. 31 Jul 2026

   Received by Southend-on-Sea

2. 8 Aug 2026

   Added to PlanIndex

3. 22 Sep 2026

   Decision issued: Grant Lawful Dev Certificate (Proposed)

4. 22 Sep 2026

   Status changed to Decided

Southend-on-Sea granted permission on 22 September 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.

• 91 Marlborough Road Southend-on-sea Essex SS1 2UB

  21/01611/FULH Submitted 4 Aug 2021 100 yards away

  Erect dormer to rear with juliette balcony to form habitable accommodation in the loftspace, erect single storey rear extension and alter elevations

  Granted Householder Extension Loft or dormer 6 docs
  Small domestic

• 156 Ambleside Drive Southend-on-sea Essex SS1 2UF

  23/00435/CLP Submitted 13 Mar 2023 150 yards away

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

  Granted Lawful development Extension Loft or dormer 7 docs

• 176 Ambleside Drive Southend-on-sea Essex SS1 2UF

  24/01456/CLE Submitted 11 Sep 2024 150 yards away

  Install air conditioning heat pump to side (certificate of lawful development - existing)

  Refused Lawful development

• 75 Sandringham Road Southend-On-Sea Essex SS1 2UG

  21/00753/CLP Submitted 13 Apr 2021 150 yards away

  Single storey rear extension (Lawful development certificate-proposed)

  Granted Lawful development Extension 6 docs
  Small domestic

• 61 Rutland Avenue Southend-On-Sea Essex SS1 2XL

  21/00759/FULH Submitted 12 Apr 2021 150 yards away

  Erect single storey rear extension

  Granted Householder Extension 6 docs
  Small domestic

• 329 Woodgrange Drive Southend-on-sea Essex SS1 2XP

  23/00034/FULH Submitted 9 Jan 2023 200 yards away

  Erect single storey rear extension, relocate entrance from side to front and erect single storey outbuilding to rear

  Granted Householder Extension 6 docs
  Small 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
• 26/01012/CLP Granted

  55 Exford Avenue Westcliff-on-sea Essex SS0 0DZ

  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