10 Treelawn Drive Leigh-on-sea Essex SS9 4AQ

This site has had 3 applications since 2026: 0 approved, 1 refused.

• 26/00887/FULH Decided

  10 Treelawn Drive Leigh-on-sea Essex SS9 4AQ

  Install one air conditioning unit to front elevation with associated pipework and electrical connections (Retrospective)

• 26/01190/AD Awaiting decision

  10 Treelawn Drive Leigh-on-sea Essex SS9 4AQ

  Application for Approval of Details pursuant to condition 02 (Noise Survey) of planning permission 26/00887/FULH dated 21.08.26 (Retrospective)

1. 28 Apr 2026

   Received by Southend-on-Sea

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Jul 2026

   Decision issued: Refuse Lawful Development Certificate

4. 23 Jul 2026

   Added to PlanIndex

Southend-on-Sea refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 19 Treelawn Gardens Leigh-on-sea Essex SS9 4AH

  21/01422/FULH Submitted 12 Jul 2021 50 yards away

  Erect single storey rear extension, erect single storey front extension, alter elevations, install vehicular access onto Treelawn Drive

  Granted Householder Extension 8 docs
  Small domestic

• 17 Treelawn Gardens Leigh-on-sea Leigh-On-Sea Essex SS9 4AH

  21/01135/FULH Submitted 27 May 2021 50 yards away

  Install balcony to rear over existing single storey rear extension, alter elevations

  Granted Householder Extension 11 docs
  Small domestic

• 17 Treelawn Gardens Leigh-on-sea Essex SS9 4AH

  21/01674/NON Submitted 13 Aug 2021 50 yards away

  Replace plan numbers PL005 and PL006 with plan numbers PL005-A and PL006-A removing side handrails from balcony (Non-Material Amendment to Planning Permission 21/01135/FULH dated 21.07.2021)

  Decided Amendments 8 docs

• 10 Treelawn Drive Leigh-on-sea Essex SS9 4AQ

  26/00887/FULH 50 yards away

  84% historically approved

  Install one air conditioning unit to front elevation with associated pipework and electrical connections (Retrospective)

  Decided

• 10 Treelawn Drive Leigh-on-sea Essex SS9 4AQ

  26/01190/AD 50 yards away

  84% historically approved

  Application for Approval of Details pursuant to condition 02 (Noise Survey) of planning permission 26/00887/FULH dated 21.08.26 (Retrospective)

  Awaiting decision

• 15 Sandhurst Crescent Leigh-on-sea Essex SS9 4AL

  21/01509/GPDE Submitted 20 Jul 2021 100 yards away

  Erect single storey rear extension, projecting 5.3m beyond the existing rear wall of the dwelling, 2.7m high to eaves and with a maximum height of 3.4m

  Decided Extension 6 docs
  Small domestic

• 26/00613/CLE Granted

  57 York Road Southend-on-sea Essex SS1 2BZ

  Use dwelling as a 9-person HMO (Certificate of Lawfulness - Existing)

  Received 5 May, published by the council 23 Jul 2026 Lawful development
• 26/00846/CLP Granted

  7 The Crossways Westcliff-on-sea Essex SS0 8PU

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

  Received 24 Jun, published by the council 23 Jul 2026 Lawful development
• 26/00816/CLP Granted

  20 Britannia Gardens Westcliff-on-sea Essex SS0 8BN

  Single storey side and rear extension with roof lantern (lawful development certificate - proposed)

  Received 18 Jun, published by the council 23 Jul 2026 Lawful development
• 26/00790/CLP Granted

  31 Waltham Crescent Southend-on-sea Essex SS2 4AY

  Site a mobile home for ancillary use to the main dwellinghouse

  Received 13 Jun, published by the council 23 Jul 2026 Lawful development
• 26/00819/CLP Refused

  47 Bonchurch Avenue Leigh-on-sea Essex SS9 3AR

  Dormer to rear to form habitable accommodation in the loftspace, single storey side and rear extensions, rooflights to front, extend soil and vent pipe to the rear, remove chimney (certificate of lawful development - proposed)

  Received 19 Jun, published by the council 23 Jul 2026 Lawful development