Jan 15 (Reuters) - Clydesdale Bank Plc IPO-CLBP.L
* 6.6 pct annualised growth in mortgages during period with good growth in owner occupied in the quarter
* Trading in 3 months to 31 December 2015 has been in line with CYBG board's expectations
* Asset quality remains strong with continuing low impairment charges in quarter Source text for Eikon: Further company coverage: IPO-CLBP.L
LONDON, Jan 15 (Reuters) - Britain's Clydesdale Bank IPO-CLBP.L said on Friday that trading in the three months to December was in line with expectations, with asset quality remaining strong as it readies to float in London and Australia next month.
The bank, which is being demerged from National Australia Bank NAB.AX , reported 6.6 percent growth in its loan book on an annualised basis.
"Asset quality remains strong with continuing low impairment charges in the quarter," the bank said in a first-quarter trading update.
Net interest margin over the three months was stable and in line with guidance of 2.2 percent on an annualised basis, the company said.