Chinese Visa Application Service Centre in the UK officially announced all the fees including visa fee and service fee would have been increased by £30 from 10th Aug 2015, comparing to the previous fees. The single entry at a regular service for a British passport holder is £66, if you submit your application by yourself. Now, the fee was £96. Other changes at entry, nationality and processing time may vary.
More details are at www.visaforchina.org.