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Planning application

21/01153/CLP

73 Marcus Avenue Thorpe Bay Southend-On-Sea Essex SS1 3LE

Refused Southend-on-Sea Certificate of Lawfulness (Proposed)

Proposal

Single storey side extension, two storey rear extension, convert loftspace into habitable accommodation, rooflights to front, alter elevations (Lawful development certificate-proposed)

As published by the council, reference 21/01153/CLP

Timeline

Dates from the published record

  1. 28 May 2021

    Received by Southend-on-Sea

  2. 23 Jul 2021

    Decision issued: Refuse Lawful Development Certificate

  3. 23 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 23/00005/FULH Granted

    63 Marcus Avenue Thorpe Bay Essex SS1 3LE

    Erect single storey side and rear extension, replace existing pump house to rear, erect new additional outbuilding and erect pergola seating area to rear (Amended Proposal)

    29 Dec 2022 0m away Householder
  • 23/00123/FULH Granted

    82 St James Avenue Thorpe Bay Essex SS1 3LJ

    Erect single storey rear extension, convert loftspace into habitable accommodation

    25 Jan 2023 46m away Householder
  • 26/00687/CLP Granted

    97 Marcus Avenue Thorpe Bay Essex SS1 3LE

    Alter roof from hip to gable at rear to provide additional habitable accommodation in loft space, alterations to the existing south-facing, side dormer (Lawful Development Certificate - Proposed)

    20 May 2026 101m away Lawful development
  • 23/00065/FULH Granted

    92 St Augustines Avenue Thorpe Bay Essex SS1 3JQ

    Erect single storey side extension, partially convert garage into habitable accommodation and alterations to front and rear elevations

    13 Jan 2023 152m away Householder
  • 26/00705/FULH Granted

    137 Johnstone Road Thorpe Bay Essex SS1 3NG

    Erect part single, part two storey side/rear extension with rooflights, single storey front extension and alter elevations

    22 May 2026 161m away Householder
  • 22/02369/FULH Granted

    35 Dungannon Drive Thorpe Bay Essex SS1 3NH

    Erect single storey side and rear extension with rooflights to side and rear elevations (Part Retrospective)

    8 Dec 2022 179m away Householder

In Southend-on-Sea

  • 26/00841/CLP Granted

    52 Bellhouse Road Eastwood Leigh-On-Sea Essex SS9 5NL

    Install rear dormer to create habitable accommodation in the loftspace and alter side elevation (Lawful Development Certifcate - Proposed)

    24 Jun 2026 Lawful development
  • 26/00818/CLP Granted

    20 Carlton Drive Leigh-on-sea Essex SS9 1DE

    Dormers to sides and juliette balcony to rear to form habitable accommodation in loftspace (certificate of lawful development - proposed)

    19 Jun 2026 Lawful development
  • 26/00741/CLE Granted

    57 - 59 Elm Road Leigh-on-sea Essex SS9 1SP

    Confirmation that planning permission 16/01572/FUL as varied by 18/01443/AMDT has been lawfully implemented (Certificate of Lawful Development - Existing)

    2 Jun 2026 Lawful development
  • 26/00746/CLP Granted

    21 Shanklin Drive Westcliff-on-sea Essex SS0 9XU

    Removal of chimney stack on rear roof slope, erect dormer to rear to create habitable accommodation in roof space, two rooflights to front roof slope, alterations to elevations (Lawful Development Certificate - Proposed)

    2 Jun 2026 Lawful development
  • 26/00978/CLP Status unknown

    90 Tudor Gardens Shoeburyness Southend-on-sea Essex SS3 9JH

    Hip to gable roof extension and dormer to rear and rooflights to front to form habitable accommodation in the loftspace (Certificate of Lawful Development - Proposed)

    24 Jul 2026 Lawful development