Hi. I started out doing voluntary work with cancer patients which gave me great experience and confidence and also credibility to get work privately.
I run my own clinic now and have just taken on a new therapist and am passing people onto her.
I wouldn't write actually. I would go in. Mind you, we are in the North and peeps are so much friendlier, having lived in London I realise there is a big difference. We get the odd CV, but our new therapist came by and I liked her so much I asked her to give me a treatment and it was fantastic.
We rent out rooms but only take on therapists that we interview and get treatments from to keep our standards high.
We charge ยฃ30 for a fully body massage, the therapist keeps the money and pays us ยฃ8 for the room for the hour or ยฃ22 for four hours booked in advance, so I think they get a good deal.
I would take your CV, your certificates and insurance details and drop into every possible place that you can. Getting talking to the owners is the best way of getting your foot in the door I think.
Good luck. Don't give up, it takes ages to get established and you need patience. It will most likely take you a couple of years to get booked up and even then you get slack periods.