84 Undercliff Gardens Leigh-on-sea Essex SS9 1ED

1. 11 May 2026

   Received by Southend-on-Sea

2. 6 Jul 2026

   Decision issued: Grant Conditional Permission

3. 23 Jul 2026

   Added to PlanIndex

Southend-on-Sea granted permission on 6 July 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 86 Undercliff Gardens Leigh-on-sea Essex SS9 1ED

  26/00976/AMDT Submitted 23 Jul 2026 50 yards away

  84% historically approved · decision due ~17 Sep

  Application to vary Condition 02 (Approved Plans) to substitute approved drawing 2227/06 with revised drawing 2227/06A to allow amendments to the approved front balcony (Material Amendment to planning permission 25/00231/FULH dated 07.05.2025)

  Decided

• Flat 1 82 Undercliff Gardens Leigh-On-Sea Southend-On-Sea SS9 1ED

  21/01032/FUL Submitted 17 May 2021 50 yards away

  Extend existing detached outbuilding to front and increase height of part of boundary fence along east elevation

  Granted Full applications 10 docs
  Small domestic

• Flat 1 82 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED

  21/00809/FUL Submitted 20 Apr 2021 50 yards away

  Extend existing garage

  Granted Full applications 9 docs

• 98 Undercliff Gardens Leigh-on-sea Essex SS9 1ED

  24/01390/FULH Submitted 2 Sep 2024 50 yards away

  Erect parking platform to rear at street level with glass balustrade and undercroft garden room, form vehicle crossovers onto Grand Parade

  Granted Householder
  Small domestic

• Flat 3 Seaview Court 81 Grand Parade Leigh-on-sea Essex SS9 1DR

  26/01211/FUL 100 yards away

  84% historically approved

  Alter existing rear dormer and install rooflights to front

  Awaiting decision Full applications Loft or dormer

• 91B Grand Parade Leigh-on-sea Essex SS9 1DR

  24/01271/FUL Submitted 8 Aug 2024 100 yards away

  Enlarge existing rear roof dormer to existing slate tiled roof.

  Granted Full applications Loft or dormer

• 26/00524/FUL Granted

  18 Belle Vue Avenue Southend-on-sea Essex SS1 2QZ

  Erect detached outbuilding to rear (retrospective)

  Received 17 Apr, published by the council 23 Jul 2026 Full applications
• 26/00113/FUL Granted

  17 Priorywood Drive Leigh-on-sea Essex SS9 4BU

  Demolish existing rear extension and detached garage, erect attached bungalow to rear with associated amenity space, parking and bin/cycle storage, form new vehicle crossover onto Priorywood Drive and install hardstanding to the front of 17 Priorywood Drive

  Received 26 Jan, published by the council 23 Jul 2026 Full applications
• 26/00639/FUL Granted

  1348 London Road Leigh-on-sea Essex SS9 2UH

  Change of use rear of ground floor from commercial (Class E) to 1no. self-contained flat with commercial unit (Class E) retained to front, reconfigure and extend first-floor flat, create additional self-contained flat at second floor, raise ridge height with hip to gable roof extension to side with rooflights to create habitable accommodation in roofspace, erect first floor extensions to front/side, two-storey rear extension, alter elevations, layout parking and cycle store to rear, refuse store to side

  Received 11 May, published by the council 23 Jul 2026 Full applications
• 26/00739/FUL Granted

  6 Salisbury Road Leigh-on-sea Essex SS9 2JX

  Demolish existing conservatory, erect single storey side extension with rooflight, alterations to front drive, alterations to fenestrations, alterations to rear garden and erect summerhouse to rear

  Received 1 Jun, published by the council 23 Jul 2026 Full applications
• 26/00693/FUL Granted

  158 - 162 London Road Southend-on-sea Essex SS1 1PH

  Raise ridge height of building to front and form front and rear dormers, change of use from ground floor car sales to three self-contained flats, erect single storey undercroft infill extension and first floor rear extension, alterations to three existing first-floor self-contained flats, install first floor balconies/roof terraces, alterations to elevations, demolish rear buildings and erect three bungalows with habitable accommodation in roof, layout amenity spaces, cycle and refuse stores (Amended Proposal)

  Received 21 May, published by the council 23 Jul 2026 Full applications