Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD

This site has had 3 applications since 2025: 3 approved, 0 refused.

• 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.

  Submitted 18 Nov 2025 Heritage and listed buildings
• LA04/2025/1911/F 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.

  Submitted 9 Nov 2025 Full applications

1. 9 Nov 2025

   Received by Belfast

2. 26 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 22 Jul 2026

   Added to PlanIndex

Belfast granted permission, 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.

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.

• Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD

  LA04/2025/1911/F Submitted 9 Nov 2025 0.1 miles away

  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.

  Granted Full applications 92 docs

• Mayfair Buildings 5-11 William Street South BT1 4FD, 5-11 Arthur Square Bt1 4AR, Belfast, BT1 4FD

  LA04/2025/2005/LBC Submitted 18 Nov 2025 0.1 miles away

  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.

  Granted Heritage and listed buildings 71 docs

• Mayfair Building, 8 Arthur Square, Belfast, BT1 4FD

  LA04/2025/1384/LBC Submitted 19 Aug 2025 0.1 miles away

  Replacement of flat roof coverings including insulation upgrades, stone repairs and replacement. Removal and disposal of external lighting.

  Granted Heritage and listed buildings 15 docs

• 9 Arthur Square, Belfast, BT1 4FD

  LA04/2023/3141/LBC Submitted 25 Apr 2023 0.1 miles away

  Alterations to listed building to facilitate shop signage andprojecting sign.

  Refused Heritage and listed buildings 22 docs

• 9 Arthur Square, Belfast, BT1 4FD

  LA04/2023/3137/A Submitted 25 Apr 2023 0.1 miles away

  1 Shop sign, 1 Projecting sign

  Refused Advertising 16 docs

• 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.

  LA04/2025/2095/DC Submitted 4 Dec 2025 0.1 miles away

  100% historically approved · decision due ~29 Jan

  Discharge Condition 2 of Planning Permission LA04/2025/1066/F (Management Plan)

  Awaiting decision Conditions 3 docs

• LA04/2026/1409/LBC Granted

  36-38 Donegall Place, Belfast, BT1 5BB

  Installation of teller counter position within refurbished bank.

  Received 7 Aug, published by the council 13 Aug 2026 Heritage and listed buildings
• LA04/2026/1404/LBC Granted

  36-38 Donegall Place, Belfast, BT1 5BB

  Transom to shop glazing with obscured glazing to conceal internal steelwork.

  Received 6 Aug, published by the council 13 Aug 2026 Heritage and listed buildings
• LA04/2026/0665/LBC Granted

  Belfast Harbour Office and William Ritchie Building Corporation Square and 2 Clarendon Road, Belfast, BT1 3AL

  Removal of existing link between the Belfast Harbour Office and William Ritchie Building, Erection of new link bridge and reinstatement of northern gable of Harbour Office. Reinstatement of cellar entrance. Entrance ramp to William Ritchie Building. Erection of a new gate and railings along the eastern boundary.

  Received 2 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• LA04/2026/0609/LBC Granted

  Clanmil Housing Association Northern Whig House 3 Waring Street Belfast BT1 2DX

  Re-roofing works comprising removal of bitumen felt and replacement with polymeric single-ply membrane. Replacement of rainwater goods (internally & externally), lead flashings, edge trims to facilitate roofing works.

  Received 24 Mar, published by the council 22 Jul 2026 Heritage and listed buildings
• LA04/2026/0810/DCA Granted

  22-24 Berry Street, Belfast, BT1 1FJ

  Demolition of existing shopfront to allow for alterations

  Received 24 Apr, published by the council 22 Jul 2026 Heritage and listed buildings