A Sex offender who is convicted of rape is
A person (A) commits an offence if—
(a)he intentionally penetrates the vagina, anus or mouth of another person (B) with his penis,
(b)B does not consent to the penetration, and
(c)A does not reasonably believe that B consents.
(2)Whether a belief is reasonable is to be determined having regard to all the circumstances, including any steps A has taken to ascertain whether B consents.
(3)Sections 75 and 76 apply to an offence under this section.
(4)A person guilty of an offence under this section is liable, on conviction on indictment, to imprisonment for life.
https://www.legislation.gov.uk/ukpga/2003/42/section/1
Sex offenders in the UK who have been convicted of 1 or more counts of rape!

Nadeem Hussain 46 Wakefield Rapist in denial who groomed teenagers gets 21 yrs
A rapist who groomed and exploited two vulnerable teenage girls has been jailed for 21 years. Nadeem Hussain, 46, plied his victims, who were 16 […]