Starting from September 1st 2015 PlayStation Plus to subscribers will be affected by a price increase that Sony is rolling out to one month and three month member subscriptions.
The previously rumoured price increases have now been confirmed by Sony with the PS Plus 30-day option increasing to £5.99 from the current £5.49, and the 12 week PS Plus plan increasing to £14.99, up from the current £11.99 price.
A Sony SCEUK representative explained more :
We are dedicated to bringing PlayStation Plus members the best possible service with the most compelling content. – From 1st September we will be increasing the price of monthly and three month PlayStation Plus subscriptions in line with market conditions. We will continue to invest in PlayStation Plus to ensure an unparalleled experience, featuring the best quality games and features.
Source: VG247 : PushSquare