UPDATE 1-CLS Holdings profit more than doubles

* Pretax profit 28.1 mln stg vs 13.2 mln stg

* Adj net assets per share up marginally at 768.4p (Adds details)

Aug 19 (Reuters) - British property investor CLS Holdings PLc's (CLSH.L) first-half pretax profit more than doubled, helped by a gain on sale of corporate bonds, and said it had substantial cash available for new investments.

For the six months ended June 30, pretax profit was 28.1 million pounds ($43.9 million), compared with 13.2 million pounds a year ago. The company's results included a gain of 10.6 million pounds from the sale of corporate bonds.

Adjusted net assets per share rose marginally to 768.4 pence, while portfolio value fell 2.6 percent to 792.3 million pounds from the year-end.

The company had cash and cash equivalents of 64.0 million pounds as at June 30.

CLS shares closed at 460.5 pence on Wednesday on the London Stock Exchange. ($1=.6402 Pound) (Reporting by Anirban Sen in Bangalore; Editing by Jarshad Kakkrakandy)