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Castleforge Partners – River House

River House Belfast Refurbishment

After undergoing a £12.6m refurbishment River House stands at the forefront of a new wave of commercial development in Belfast’s Cathedral Quarter. No longer tired and dated, the project has completely transformed the original building which was affected at various times during ‘The Troubles’ and was actually originally constructed in the late 1960’s on a former WWII bomb site.

River House’s 14 storeys have been completely transformed to the highest specifications and also achieved a BREEAM Very Good rating. It offers co-working and private office space for forward-thinking, innovative companies. River House boasts an array of modern facilities including state-of-the-art meeting rooms, an extensive landscaped rooftop terrace, a café and informal breakout zones.

This is one of the largest city centre commercial refurbishment projects undertaken in Belfast, consisting of a 14 storey office building completed to a CAT A standard. The ground floor is comprised of a number of retail units with all remaining floors allocated to Grade A office space.

Project Works:

  • The complete removal of the existing façade and replaced with a new curtain walling system.
  • The building was stripped back to grey box – including asbestos removal and major structural alterations to the entrance/reception area to create a double height space.
  • New lift cars were installed
  • A completely new M&E installation throughout.


This project achieved a BREEAM Very Good rating

Award Winning:

River House Belfast won best Commercial Building at the RICS NI Awards 2019.

#TEAMmac Newry

“Castleforge have had a successful relationship with mac who have consistently delivered on our projects over many years.
Ronan McGrath managed the project with professionalism and diligence throughout and this helped achieve the high quality modern office building that we have today” – Martin Claisse, Director, Castleforge Partners.

Project Details

Size: 110,000 sq. ft.
Duration: 76 weeks
Team: Castleforge Partners
Malcolm Hollis
Povall Worthington

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