Got an email from Sony Estore
Exclusively in Xperia Store, offer ends at midnight on the 11th February.
For a limited time only, we're offering a great discount on both the Xperia XZ3 and Xperia L2.
Apply voucher code "FEB19XZ3" for Xperia XZ3 and "FEB19L2" for Xperia L2 on the basket page to receive your discount.
But you'd better be quick, as the offer will end at midnight on the 11th February.

https://estore.sonymobile.com/ie/phones/