Lowest cost private mri scan in uk?

Lowest cost private mri scan in uk?
My sister enquired about an mri scan and they told her it would cost around ￡400 that was 3yrs ago.
For single area+report+scan on CD:
UK-radiology charge ￡200
CMC imaging charge ￡195 but add ￡25 for receipt
Cobalt appeal charge ￡218 +￡22 for CD
For two areas+report+scan on CD
UK-radiology charge ￡300
CMC imaging charge ￡390 +￡25 for receipt
Cobalt appeal charge ￡436 + ￡22 for CD
For three areas+report+scan on CD
uk-radiology charge ￡400
CMC imaging charge ￡585 +￡25 for receipt
Cobalt Appeal Charge ￡654 + ￡22 for CD
All on 1.5 T systems reported by specialist