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Planning application

Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

Granted Southend-on-Sea 26/00146/AMDT Material Amendment

Works: Extension Windows or glazing Small 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

Application to vary condition 02 (Approved Plans) alter elevations at basement, ground, first and second floor level including fenestration, materials, porch detailing, install gas pipes; amend internal layout to provide additional wc, alter privacy glazing in east lightwell, amend design of basement lightwell, boundary treatment, refuse and cycle storage and parking layout to reduce parking spaces from 7 to 6 (Material amendment of planning permission 17/01289/FUL dated 1st May 2018) (Part Retrospective)

As published by the council, reference 26/00146/AMDT

Application record

Reference
26/00146/AMDT
Type
Material Amendment
Status
Conditions
Decision
Granted As published: Grant Conditional Permission
Received
1 Feb 2026
Validated
2 Mar 2026
Decided
17 Jun 2026
Ward
Milton
Decision by
Delegated
Postcode
SS1 1DY

Site history

Applications at this address on the Southend-on-Sea register

This site has had 6 applications since 2026: 3 approved, 2 refused.

  • 26/00948/AMDT Granted

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective)

    Decided 28 Sep 2026
  • 26/00308/AMDT Refused

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Application to vary condition 02 (Approved Plans) alteration to mansard roof profile including lift housing, fenestration, rooflight and additional terrace to the east side, alteration to elevations at basement, ground, first and second floor level including fenestration, materials, porch detailing, installation of gas pipes; amendment to internal layout to provide additional wc and alterations to privacy glazing in east lightwell, amendment to design of basement lightwell, amended boundary treatment and amendment to parking layout to reduce the number of parking spaces from 7 to 6 and to amended refuse and cycle storage details (Material amendment of planning permission 17/01289/FUL dated 1st May 2018) (Part Retrospective)

    Decided 10 Jul 2026 Amendments
  • 26/00147/LBC Granted

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Erect four storey rear extension, convert existing vacant HMO (Sui Generis) into seven-self contained flats (Class C3), alter roof including dormers and lift and new fenestration, form roof terraces to front and rear, install new entrance to west side, alter elevations including windows and doors, internal refurbishment including installation of suspended ceilings and replacement fire doors, install new boundary railings and layout parking, refuse and cycle storage to rear. (Listed Building Consent)(Amended Proposal) (Part Retrospective)

    Decided 17 Jun 2026 Heritage and listed buildings
  • 26/00148/LBC Refused

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Erect four storey rear extension, convert existing vacant HMO (Sui Generis) into seven-self contained flats (Class C3), alter roof including dormers and lift and new fenestration, form roof terraces to front and rear and west side, install new entrance to west side, alter elevations including windows and doors, internal refurbishment including installation of suspended ceilings and replacement fire doors, install new boundary railings and layout parking, refuse and cycle storage to rear. (Listed Building Consent)(Amended Proposal) (Part Retrospective)

    Decided 10 Jul 2026 Heritage and listed buildings
  • 26/01223/LBC Awaiting decision

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective) (Listed Building Consent)

    Heritage and listed buildings

Timeline

Dates from the published record

  1. 1 Feb 2026

    Received by Southend-on-Sea

  2. 2 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 17 Jun 2026

    Decision issued: Grant Conditional Permission

  4. 19 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

2 later applications on the register refer to this one:

  • 26/00948/AMDT Granted

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective)

    Decided 28 Sep 2026
  • 26/01223/LBC Awaiting decision

    Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective) (Listed Building Consent)

    Heritage and listed buildings
  • Application: 17/01289/FUL (Decided)

Who's behind it

Company information only, from the register and Companies House

Design Graphics Associates Agent, a design practice

8 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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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Open the documents

What this grant of permission means

Southend-on-Sea granted permission on 17 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 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

  • Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    26/00147/LBC Submitted 1 Feb 2026 50 yards away

    Erect four storey rear extension, convert existing vacant HMO (Sui Generis) into seven-self contained flats (Class C3), alter roof including dormers and lift and new fenestration, form roof terraces to front and rear, install new entrance to west side, alter elevations including windows and doors, internal refurbishment including installation of suspended ceilings and replacement fire doors, install new boundary railings and layout parking, refuse and cycle storage to rear. (Listed Building Consent)(Amended Proposal) (Part Retrospective)

    Granted Heritage and listed buildings New dwelling Extension +2

  • 13 Royal Terrace Southend-on-sea Essex

    22/02095/AD Submitted 28 Oct 2022 50 yards away

    Application for approval of details pursuant to condition 03 (details of materials) and 08 (details of rooflights) of planning permission 18/01303/LBC dated 01.10.2018

    Refused Conditions Loft or dormer 8 docs

  • Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    26/00308/AMDT Submitted 9 Mar 2026 50 yards away

    Application to vary condition 02 (Approved Plans) alteration to mansard roof profile including lift housing, fenestration, rooflight and additional terrace to the east side, alteration to elevations at basement, ground, first and second floor level including fenestration, materials, porch detailing, installation of gas pipes; amendment to internal layout to provide additional wc and alterations to privacy glazing in east lightwell, amendment to design of basement lightwell, amended boundary treatment and amendment to parking layout to reduce the number of parking spaces from 7 to 6 and to amended refuse and cycle storage details (Material amendment of planning permission 17/01289/FUL dated 1st May 2018) (Part Retrospective)

    Refused Amendments Extension Loft or dormer +1
    Small domestic

  • Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    26/00148/LBC Submitted 1 Feb 2026 50 yards away

    Erect four storey rear extension, convert existing vacant HMO (Sui Generis) into seven-self contained flats (Class C3), alter roof including dormers and lift and new fenestration, form roof terraces to front and rear and west side, install new entrance to west side, alter elevations including windows and doors, internal refurbishment including installation of suspended ceilings and replacement fire doors, install new boundary railings and layout parking, refuse and cycle storage to rear. (Listed Building Consent)(Amended Proposal) (Part Retrospective)

    Refused Heritage and listed buildings New dwelling Extension +2

  • Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    26/00948/AMDT Submitted 17 Jul 2026 50 yards away

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective)

    Granted Loft or dormer Windows or glazing

  • Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY

    26/01223/LBC 50 yards away

    86% historically approved

    Application to vary condition 02 (Approved Plans), 03 (Materials - Roof only), 04 (Window and Door Details - Roof only), 05 (Dormer Windows) and 17 (Privacy Solutions) to enable alteration to mansard roof design including lift housing, roof fenestration, rooflight, install additional roof terrace to east side and removal of privacy screen to east side of north terrace (Material amendment of planning permission 26/00146/AMDT dated 17th June 2026) (Part Retrospective) (Listed Building Consent)

    Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing

In Southend-on-Sea

  • 26/00854/AMDT Granted

    9 Stephenson Road Eastwood Essex SS9 5LY

    Application to vary condition 10 (opening hours for customers) to enable the 'drive-thru' lane of the existing KFC premises to remain open to customers and third-party delivery aggregators until 05:00 each day of the week (Material Amendment to Planning Permission 11/00493/FUL dated 22.06.2011)

    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