But as the left-back is under 24, Wrexham were owed compensation.
The two clubs originally failed to agree a fee, but did so just before Thursday's professional footballers compensation committee tribunal.
In addition to the £150,000 fee, the Swans will also pay 10% of any future transfer fee profit.
Meanwhile, the Swans are also due to put their compensation case with Premier League Manchester City before a tribunal next week over 17-year-old Emyr Huws who left for Eastlands over two years ago after coming through the junior ranks at the Liberty Stadium.
Source: BBC Sport
Source: BBC Sport