Planning application
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
Works: Loft or dormer Windows or glazing
Relates to 26/00146/AMDT
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 26/01223/LBC
Application record
- Reference
- 26/01223/LBC
- Category
- Heritage and listed buildings
- Status
- Registered
- Postcode
- SS1 1DY
Site history
Applications at this address on the Southend-on-Sea register
This site has had 6 applications since 2026: 2 approved, 2 refused.
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26/00948/AMDT Status unknown
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
Application to vary conditions 03, 04, 05, 06, 07, 08, 09, 10, 13, 14, 15, 16, 17, 18 - As the development has progressed, the original condition(s) no longer accurately reflect the development as built or proposed (Material amendment of planning permission 17/01289/FUL dated 01/05/2018)
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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)
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26/00146/AMDT Granted
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
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)
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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)
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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)
Timeline
Dates from the published record
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18 Sep 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
Southend-on-Sea took a median of 58 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
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26/00146/AMDT Granted
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
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)
What happens while it is decided
This application is with Southend-on-Sea for determination, against a statutory target of eight weeks. Over the last year Southend-on-Sea's median decision took 58 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
86% historically approved · decision due ~18 Sep
Application to vary conditions 03, 04, 05, 06, 07, 08, 09, 10, 13, 14, 15, 16, 17, 18 - As the development has progressed, the original condition(s) no longer accurately reflect the development as built or proposed (Material amendment of planning permission 17/01289/FUL dated 01/05/2018)
Status unknown Amendments -
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
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)
Granted Amendments Extension Windows or glazingSmall domestic -
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)
Granted Heritage and listed buildings New dwelling Extension +2 -
13 Royal Terrace Southend-on-sea Essex
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
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 +1Small domestic -
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)
Refused Heritage and listed buildings New dwelling Extension +2
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