A 12-page planning application for an international conference centre at Celtic Manor in South Wales has been lodged with Newport City Council.
If realised the project could create up to 150 jobs.
The application follows an announcement by the Welsh Government in autumn 2013 that it would support the development of an international convention centre for South Wales.
Celtic Manor already employs 760 people.
A report in the South Wales Argus at the weekend said: “The facility will create substantial employment benefit in the Newport area, not only during construction but also its upkeep and service.”
The application says that currently the hotel is “regularly” having to turn away conference enquiries.
The proposal states that the centre will boast an exhibition hall and main auditorium, which will cater for a capacity of 4,000 delegates, requiring 30,000sqm of building over three floors.
The application envisages construction work on the centre will take two years.
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