The answer is yes.
See LASORS H3.2:
H3.2
CRI(SPA) COURSE FOR SINGLE-ENGINE CLASS RATING
An applicant for the issue of a CRI(SPA) rating for
single-engine aeroplanes shall have:
a. A valid SEP (Land), SET (Land), TMG Class
Rating or a Single-Pilot Single-Engine Type
Rating.
b. Completed at least 300 hours flight time as pilot
of aeroplanes.
c. Completed at least 30 hours as PIC on the
applicable type or class of aeroplane prior to
commencing the course.
d. Completed an approved course at an approved
FTO or TRTO of at least three hours flight
instruction on the aeroplane or a flight simulator
given by an instructor approved for this purpose
(see Appendix 2 to JAR-FCL 1.380); and 25
hours teaching and learning theoretical
knowledge training.
e. Passed the relevant elements of a FI Skill Test in
a single pilot, single engine aeroplane with a
suitably qualified FIE(A).