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Planning application

25 Mount Avenue Westcliff-On-Sea Essex SS0 8PS

Granted Southend-on-Sea 21/00396/AMDT Material Amendment

Works: Extension Loft or dormer Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Erect first floor extension with bay window to front to form additional floor to existing dwelling, recessed balcony to front, dormers and rooflights to side elevations to form habitable accommodation in roof and alter elevations (variation of plans approved under condition 2, variation of materials under condition 3 and variation of obscure glazing requirement under condition 5 attached to permission reference no. 20/01834/FULH dated 23/12/2020)

As published by the council, reference 21/00396/AMDT

Application record

Reference
21/00396/AMDT
Type
Material Amendment
Status
Conditions
Decision
Granted As published: Grant Conditional Permission
Received
24 Feb 2021
Validated
15 Mar 2021
Decided
3 Jun 2021
Ward
Chalkwell
Decision by
Called In by member
Postcode
SS0 8PS

Timeline

Dates from the published record

  1. 24 Feb 2021

    Received by Southend-on-Sea

  2. 15 Mar 2021

    Validated

    Checked as complete and ready for consideration.

  3. 3 Jun 2021

    Decision issued: Grant Conditional Permission

  4. 19 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

RSP Design Agent, a design practice

102 applications on PlanIndex · across 6 councils · 92% granted

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Documents

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

11 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 3 June 2021, 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 amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 28 Mount Avenue Westcliff-on-sea Essex SS0 8PT

    23/00415/CLP Submitted 9 Mar 2023 50 yards away

    Hip to gable roof extension with recessed Juliet balcony with French doors to rear elevation, dormer to side to form habitable accommodation in roof and install rooflights to front, side and rear elevations (Lawful Development Certificate-Proposed)

    Granted Lawful development Extension Loft or dormer +1 13 docs
  • 28 Mount Avenue Westcliff-on-sea Essex SS0 8PT

    22/02421/FULH Submitted 16 Dec 2022 50 yards away

    Hipped to gable roof extension to rear with recessed balcony and dormer to side to form habitable accommodation in the loftspace, erect single storey rear extension and extend existing attached garage to side

    Refused Householder Extension Loft or dormer 18 docs
    Small domestic
  • 28 Mount Avenue Westcliff-on-sea Essex SS0 8PT

    23/00345/CLP Submitted 28 Feb 2023 50 yards away

    Single storey rear and side extensions (certificate of lawful development - proposed)

    Split decision Lawful development Extension 14 docs
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  • Adalah Residential Rest Home 20 Cliff Road Leigh-on-sea Essex SS9 1HJ

    26/00915/FUL Submitted 11 Jul 2026 100 yards away

    Extend existing dropped kerbs, demolish sections of front boundary wall, replace part of front lawn with permeable block paving

    Granted Full applications Demolition
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  • 110 Hillside Crescent Leigh-on-sea Leigh-On-Sea Essex SS9 1HH

    21/01180/CLP Submitted 3 Jun 2021 100 yards away

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

    Granted Lawful development Extension Loft or dormer 7 docs
  • 110 Hillside Crescent Leigh-on-sea Leigh-On-Sea Essex SS9 1HH

    21/01179/FULH Submitted 3 Jun 2021 100 yards away

    Install balcony at first floor, alter elevations

    Granted Householder 6 docs
    Domestic

In Southend-on-Sea

  • 26/00854/AMDT Granted

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    Received 26 Jun, published by the council 23 Jul 2026 Amendments
  • 26/01083/AMDT Status unknown

    97-99 And 101 Shaftesbury Avenue Southend-on-sea Essex SS1 3AN

    Application to vary Condition 07 (Opening Hours) to permit opening between 9am and 7pm Monday to Wednesday and Sunday, and between 9am and 9pm Thursday to Saturday, in place of the approved hours of 8am to 6pm daily (Material Amendment to planning permission 22/01367/FUL dated 19/01/2023)

    Received 13 Aug, published by the council 19 Aug 2026 Amendments
  • 26/00808/AMDT Granted

    Southend University Hospital Prittlewell Chase Westcliff-on-sea Essex SS0 0RY

    Application to vary condition 04 (replacement parking spaces) amend wording to allow 5 bays to be replaced before the development is first used (Material amendment of planning permission 26/00326/FUL dated 14/05/2026)

    Received 17 Jun, published by the council 23 Jul 2026 Amendments
  • 26/00896/NON Decided

    28 Swallowcliffe Shoeburyness Southend-on-sea Essex SS3 8BL

    Replace plans SW-S1-05, SW-S1-06 with 636 P01 Location and Site Plan, 636 P02 Existing Drawings and 636 P03B Proposed Drawings - alterations to elevations (windows and doors) and change of garage roof pitch (Non-Material Amendment to Planning Permission 23/01641/FULH dated 13/12/2023)

    Received 8 Jul, published by the council 30 Jul 2026 Amendments
  • 26/00635/AMDT Granted

    Land Between Barge Pier Road And Ness Road Shoeburyness Southend-on-sea Essex

    Application to vary Condition 19 (Parking Quantum) to amend the wording of the condition to reflect the approved residential parking provision and associated plans (Minor Material Amendment to planning permission 24/00237/AMDT dated 21.08.2024)

    Received 11 May, published by the council 23 Jul 2026 Amendments