Planning application
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
Works: New dwelling Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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)
As published by the council, reference 26/00147/LBC
Application record
- Reference
- 26/00147/LBC
- Type
- Listed Building Consent
- Status
- Permitted
- Decision
- Granted As published: Grant Listed Building Consent
- 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)
-
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)
-
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)
-
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)
-
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)
Timeline
Dates from the published record
-
1 Feb 2026
Received by Southend-on-Sea
-
2 Mar 2026
Validated
Checked as complete and ready for consideration.
-
17 Jun 2026
Decision issued: Grant Listed Building Consent
-
19 Aug 2026
Added to PlanIndex
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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 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
-
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 -
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 -
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)
Granted Loft or dormer Windows or glazing -
Royal Mansions 15 Royal Terrace Southend-on-sea Essex SS1 1DY
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
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