For many years private investors have had Buy to Let Properties in their portfolios. However there are some drawbacks. You are liable to income tax on the income & capital gains tax on the profits.
Factor in maintenance & insuring the property and the returns decrease further.
Rising interest rates have eroded profits too, plus the fact you can only get an interest only mortgage because of rental incomes is a further hindrance.
If you're looking for a property based investment, try a Commercial Property Fund.....to be continued