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Planning application

78 Colbert Avenue Thorpe Bay Essex SS1 3BP

Granted Southend-on-Sea 26/00496/CLP Certificate of Lawfulness (Proposed)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Convert part of garage to habitable accommodation and alter elevations (Lawful Development Certificate - Proposed)

As published by the council, reference 26/00496/CLP

Application record

Reference
26/00496/CLP
Type
Certificate of Lawfulness (Proposed)
Status
Permitted
Decision
Granted As published: Grant Lawful Dev Certificate (Proposed)
Received
13 Apr 2026
Validated
13 Apr 2026
Decided
8 Jun 2026
Ward
Thorpe
Decision by
Delegated
Postcode
SS1 3BP

Timeline

Dates from the published record

  1. 13 Apr 2026

    Received by Southend-on-Sea

  2. 8 Jun 2026

    Decision issued: Grant Lawful Dev Certificate (Proposed)

  3. 19 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Design Spec Ltd Agent, a design practice registered in Hockley

Active · incorporated 2014 · Hockley

156 applications on PlanIndex · across 18 councils · 72% granted

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Documents

Plans, drawings, consultee responses and the officer's report

Documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Southend-on-Sea granted permission on 8 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.

About lawful development applications

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.

Nearby applications

Within 0.3 miles

  • 28 Wyatts Drive Thorpe Bay Essex SS1 3DH

    22/02214/FULH Submitted 15 Nov 2022 250 yards away

    Erect single storey infill extension between garage and main dwelling and convert part of garage into habitable accommodation

    Withdrawn Householder Extension 10 docs
    Small domestic
  • 6 Greenways Thorpe Bay Essex SS1 3BS

    24/01332/GPDE Submitted 20 Aug 2024 250 yards away

    Erect single storey rear extension, projecting 6m beyond the existing rear wall of the dwelling, 2.87m high to eaves and with a maximum height of 3.32m

    Refused Extension
    Small domestic
  • 165 Shaftesbury Avenue Southend-on-sea Essex SS1 3AL

    23/00349/FULH Submitted 28 Feb 2023 250 yards away

    Erect single storey rear extension

    Granted Householder Extension 8 docs
    Small domestic
  • 51 Colbert Avenue Thorpe Bay Southend-On-Sea Essex SS1 3BH

    21/01251/FULH Submitted 15 Jun 2021 300 yards away

    Raise ridge height of main dwelling, form dormers to rear with Juliet balcony, roof lights to front and alter elevations

    Granted Householder Loft or dormer Roofing 6 docs
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  • 37 Warwick Road Thorpe Bay Essex SS1 3BN

    24/01756/FULH Submitted 5 Nov 2024 300 yards away

    Raise ridge height, erect hipped to gable roof extensions to the front, dormers to sides and rear with juliette balcony to rear to form habitable accommodation in the loftspace, install rooflights, erect part single/part two storey rear extension with roof lantern, erect roof canopy to front, replace existing detached garage and alter elevations

    Granted Householder Extension Loft or dormer +2
    Domestic
  • 42 Wyatts Drive Thorpe Bay Essex SS1 3DG

    24/01287/FULH Submitted 12 Aug 2024 300 yards away

    Erect single storey rear extension with two roof lanterns

    Granted Householder Extension
    Small domestic

In Southend-on-Sea

  • 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