The 3Cs prompted me that this has dropped to £12.99, which I think is a bargain if you have a dead-spot in your home.
Unobtrusive and good reviews!
Belkin N300 Universal WiFi Range Extender Wall Plug Mounted with Easy Set Up
There is a simple set up detailed in the box that makes the set up process more automated using a web browser of a laptop, tablet or smartphone.
Help is available on the Belkin website following this link:http://www.belkin.com/us/support-article?articleNum=42267