17 Seamore Avenue Thundersley Benfleet Essex SS7 4EX

1. 4 Oct 2022

   Received by Castle Point

2. 28 Nov 2022

   Validated

   Checked as complete and ready for consideration.

3. 19 Jan 2023

   Decision issued: Approval

4. 9 Aug 2026

   Added to PlanIndex

Castle Point granted permission on 19 January 2023, 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.

• 49 Church Road Thundersley Benfleet Essex SS7 4BP

  22/0878/FUL Submitted 24 Nov 2022 50 yards away

  Demolish existing detached garage, conservatory and porch, erect part single/part two storey rear and side extension with balcony and external stair, convert dwelling to three flats, provide bin and cycle storage to rear and widen vehicular accesses

  Granted Full applications New dwelling Extension +1 12 docs
  Several homes

• 49 Church Road Thundersley Benfleet Essex SS7 4BP

  23/0599/FUL Submitted 20 Sep 2023 50 yards away

  Construct two storey side extension, part single/part two storey rear extension, convert existing dwelling into 4No. flats and alter vehicular accesses (amended proposal following approval 22/0878/FUL)

  Refused Full applications New dwelling Extension 22 docs
  Several homes

• 31 Seamore Avenue Thundersley Benfleet Essex SS7 4EX

  21/0363/FUL Submitted 12 Apr 2021 100 yards away

  Demolish existing garage and shed and construct part single/part two storey side/rear extension

  Granted Full applications Extension Demolition 6 docs
  Small domestic

• 24 Seamore Avenue Thundersley Benfleet Essex SS7 4EX

  26/0485/FUL Submitted 24 Aug 2026 100 yards away

  79% historically approved · decision due ~30 Oct

  Loft conversion with dormer and external alterations

  Awaiting decision Full applications Loft or dormer 12 docs

• 24 Seamore Avenue Thundersley Benfleet Essex SS7 4EX

  26/0393/CLP Submitted 8 Jul 2026 100 yards away

  83% historically approved · decision due ~7 Sep

  Construct roof dormer extensions and external alterations to fenestration

  Awaiting decision Lawful development Extension Loft or dormer +1 12 docs

• 24 Seamore Avenue Thundersley Benfleet Essex SS7 4EX

  26/0387/CLP Submitted 6 Jul 2026 100 yards away

  Construct single storey rear extension and external alterations

  Granted Lawful development Extension 14 docs
  Small domestic

• 26/0476/CLP Granted

  6 Willison Way Benfleet Essex SS7 1FP

  Construct single storey rear extension and loft conversion

  Received 19 Aug, published by the council 31 Aug 2026 Lawful development
• 26/0406/CLP Granted

  23 Wamburg Road Canvey Island Essex SS8 8JR

  Change of use from a 6 person HMO (Class C4) to a 7 person HMO (sui generis)

  Received 17 Jul, published by the council 13 Sep 2026 Lawful development
• 26/0481/CLE Granted

  Land Rear Of 17 Underhill Road Benfleet Essex SS7 1EW

  Site excavated and foul drainage installed

  Received 24 Aug, published by the council 7 Sep 2026 Lawful development
• 26/0449/CLE Granted

  288 Rayleigh Road Thundersley Benfleet Essex SS7 3XE

  Erect hip to gable roof extension with associated rear dormer, removal of chimney stack, repositioning of solar panels and alterations to fenestration

  Received 5 Aug, published by the council 21 Aug 2026 Lawful development
• 26/0450/CLP Granted

  27 Wamburg Road Canvey Island Essex SS8 8JR

  Garage conversion including replacing garage door with window and raising the roof height

  Received 10 Aug, published by the council 21 Aug 2026 Lawful development