COPENHAGEN, March 20 (Reuters) - Norway's sovereign

wealth fund said on Thursday it had bought stakes in two real

estate portfolios from Shaftesbury Capital and AXA Lifestyle

housing for a total amount of $1 billion.

Norges Bank Investment Management (NBIM) said it bought

a 25% interest in a property portfolio in London in a new joint

venture with Shaftesbury Capital for 570 million pounds,

($740.03 million), valuing the portfolio at 2.66 billion pounds.

It said in a separate statement it has agreed to buy a 40%

interest in AXA Lifestyle Housing, which owns and operates

student housing and co-living properties in France and Spain,

for 240 million euros ($261.02 million).

Shaftesbury Capital will retain the remaining 75% interest

and manage the London portfolio on behalf of the joint venture,

while subsidiaries of AXA will hold 60% ownership in the other

portfolio.

Completion of the deal with Shaftesbury Capital is expected

in early April, while the agreement with AXA Lifestyle Housing

is expeced to be completed in the first quarter of this year,

NBIM added.

($1 = 0.7702 pounds)

($1 = 0.9195 euros)