End of year crime figures have revealed a 31.8 per cent rise in the number of rapes recorded in Windsor and Maidenhead.
Thames Valley Police statistics show 29 were recorded in 2012/13, compared to 22 in 2011/12.
The total number of sex offences rose by 9.4 percent over the same period, from 106 to 116.
A 31 per cent rise in drug trafficking has also been noted, from 26 offences in 2011/12 to 34 in 2012/13.
But on the whole recorded crimes in the Royal Borough dropped by 15.8 per cent, from 10,686 to 9,001.
Detection rates rose from 19.5 per cent to 21.7 per cent.
A 19.9 per cent reduction in dwelling burglaries was also recorded, with the number of offences dropping from 801 to 642.
A police spokesman said: "Overall crime in Windsor and Maidenhead is at the lowest level in over 15 years, making Windsor and Maidenhead a safe place to live and work."
The figures were recorded between April 1, 2012 and March 31, 2013.
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