Planning application
LA04/2025/1911/F
Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD
Proposal
Change of use of existing upper floors from offices (Class B1) to hostel accommodation (Class C1/Sui Generis) providing 136 bedspaces, with associated lounge, kitchen, and ancillary facilities; and formation of a new entrance lobby within one small ground-floor retail unit fronting William Street South. All other ground-floor retail units remain unchanged. Internal alterations only with no increase in building footprint or external envelope. Minor elevation changes to create door entrances. Building lies within the Belfast City Centre Conservation Area.
As published by the council, reference LA04/2025/1911/F
Timeline
Dates from the published record
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9 Nov 2025
Received by Belfast
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26 Nov 2025
Validated
Checked as complete and ready for consideration.
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22 Jul 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 full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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LA04/2025/1912/DCA Granted
Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD
Change of use of existing upper floors from offices (Class B1) to hostel accommodation (Class C1/Sui Generis) providing 136 bedspaces, with associated lounge, kitchen, and ancillary facilities; and formation of a new entrance lobby within one small ground-floor retail unit fronting William Street South. All other ground-floor retail units remain unchanged. Internal alterations only with no increase in building footprint or external envelope. Minor elevation changes to create door entrances. Building lies within the Belfast City Centre Conservation Area.
-
LA04/2025/2005/LBC Granted
Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD
Change of use of existing upper floors from offices (Class B1) to hostel accommodation (Class C1/Sui Generis) providing 136 bedspaces, with associated lounge, kitchen, and ancillary facilities; and formation of a new entrance lobby within one small ground-floor retail unit fronting William Street South. All other ground-floor retail units remain unchanged. Internal alterations only with no increase in building footprint or external envelope. Minor elevation changes to create door entrances. Building lies within the Belfast City Centre Conservation Area.
-
LA04/2025/1384/LBC Granted
Mayfair Building, 8 Arthur Square, Belfast, BT1 4FD
Replacement of flat roof coverings including insulation upgrades, stone repairs and replacement. Removal and disposal of external lighting.
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LA04/2025/2095/DC Awaiting decision
4-14 Arthur Street Existing Listed building with retail units at ground floor level, retail storage and facilities at first flor level and vacant office space on upper floors.
Discharge Condition 2 of Planning Permission LA04/2025/1066/F (Management Plan)
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LA04/2026/0791/A Awaiting decision
Fat Face, 12 Victoria Square, Belfast, BT1 4QB
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LA04/2026/0981/F Granted
15-19 William Street South, Unit B, Belfast, BT1 4AR
Alterations to shopfront, including relocation of enterance door, change of material and framing to side door, 3x signage and internal refurbishment
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