So, here is an announcement from yesterday by Grainger plc
It has bought 112 'units' on a 6.7% headline gross yield
You can learn a bit more about how they measure their performance here
http://www.graingerplc.co.uk/investors/financial-performance/key-performance-indicators.aspx
and here is the text of the announcement
"Grainger plc ("Grainger", the "Company" or the "Group"), the UK's largest listed residential property owner and manager, today announces it has acquired a residential property portfolio of 112 private rented sector (PRS) units for c.£10.4m.
The portfolio comprises five sites located in Newcastle, Whitley Bay and Leeds, with an estimated rental value of c.£694k per annum.
Today's acquisition is further demonstration of the Company's continued acceleration of growth in its PRS business.
Including today's announcement, Grainger has acquired over 1,000 PRS units with a market value of c.£94m since 1 October 2014, bringing the value of the Company's total UK PRS portfolio to over £925m of assets under management."