You can attend courses for cabling. I'm looking to introduce a basic cabling / installation hands on course as part of the telecoms courses I present. Looking to do this over the next 2 or 3 months hopefully.
In the meantime, check out Cablenet training in Bury St Edmunds - highly recommended training centre:
Homepage
Specifically, this may be the course best suited for to your needs
Pandiut_Certified_Installer_2day.pdf
Not sure on their pricing structure off top of my head.
Any reason why you are specifically looking at a training course?