Housing finance activity was back on its growth trajectory in February after taking a dip in the holiday season.According to the latest Australian Bureau of Statistics housing finance data, the value of housing finance commitments rose 2.9 per cent in February (in seasonally adjusted terms) compared with the previous month, after having fallen 0.4 per cent in January.Lenders provided a total of A$27.6 billion of housing loans in February.The value of loans to owner-occupiers rose 1.9 per cent in February, while the value of investor loans rose 4.4 per cent.The number of owner-occupier housing finance commitments in February rose 2.3 per cent.The average loan size fell from $322,900 in January to $315,700 in February. It is the first time in over a year that loan size has fallen.First-home buyer participation fell from 13.2 per cent in January to 12.5 per cent in February (ABS data on first-home buyers is under review).