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Planning application

21/01180/CLP

110 Hillside Crescent Leigh-on-sea Leigh-On-Sea Essex SS9 1HH

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

Proposal

Dormer extension to side roof slope. Rooflights to side roof slope. (Lawful development certificate-proposed)

As published by the council, reference 21/01180/CLP

Timeline

Dates from the published record

  1. 3 Jun 2021

    Received by Southend-on-Sea

  2. 6 Aug 2021

    Decision issued: Grant Lawful Dev Certificate (Proposed)

  3. 1 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 21/01179/FULH Granted

    110 Hillside Crescent Leigh-on-sea Leigh-On-Sea Essex SS9 1HH

    Install balcony at first floor, alter elevations

    3 Jun 2021 0m away Householder
  • 26/00604/FULH Granted

    96 Hillside Crescent Leigh-on-sea Essex SS9 1HH

    Erect single storey rear extension

    1 May 2026 10m away Householder
  • 26/00915/FUL Status unknown

    Adalah Residential Rest Home 20 Cliff Road Leigh-on-sea Essex SS9 1HJ

    Extend existing dropped kerbs, demolish sections of front boundary wall, replace part of front lawn with permeable block paving and install 1.2m high safety barrier

    11 Jul 2026 119m away Full applications
  • 21/01053/FULH Granted

    11 Kent View Avenue Leigh-On-Sea Southend-On-Sea SS9 1HE

    Erect two storey side and rear extensions with balcony to rear and single storey rear extension, form living green roof on new rear extension (Amended Proposal)

    18 May 2021 134m away Householder
  • 26/00846/CLP Status unknown

    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)

    24 Jun 2026 159m away Lawful development
  • 26/00839/FULH Status unknown

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

    Extend existing vehicle crossover, erect hardstanding to the front of the dwelling, convert garage and alter elevations

    23 Jun 2026 164m 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