The travel association’s total gain for the year jumped from £803,000 to £4.1 million thanks to the revaluation of its former Newman Street home.
Abta moved out in 2009 and fully let the property on a 10-year lease.
It is now worth £18.4 million.
Pre-tax profits (or surplus before taxation) increased by 77% to £996,000, with turnover up from £7.4 million to £8 million.
Abta made the most of its money from insurance activities rather than through its role as a trade association.
Turnover from subscriptions rose from £5.1 million to £5.3 million.
Although Abta welcomed 52 new members in 2015, its total number dropped from 1,210 to 1,165.
Abta employs 76 people with the highest paid director earning just over £246,000.
Over the course of Abta’s financial year, which ended on June 30, there were 10 member failures (down from 14 in 2014).
Of these, four were principals and six were retailers.
Total claims from failures rose by 26% to £926,000.
