(1) Subject to this section, where a person -

(a) is convicted of a relevant offence and is being sentenced to a term of imprisonment in respect of that offence where that offence was committed -

(i) in a dwelling, and

(ii) after he or she has attained the age of 18 years,

(b) has a conviction for a relevant offence (other than the relevant offence referred to in paragraph (a)) whether or not any sentence (whether of imprisonment or otherwise) was imposed in respect of that conviction and where that offence was committed -

(i) in a dwelling,

(ii) in the period of 5 years immediately prior to the commission of the relevant offence referred to in paragraph (a), and

(iii) after he or she attained the age of 18 years,

and

(c) has a conviction for a relevant offence and was sentenced to a term of imprisonment in respect of that conviction, where that relevant offence was committed by the person -