1. a New report "From Diagnosis to Delivery" by Allas et al has, on p.45 some information.
2. The figure is a figure relative to other countries. I don't put much store by that, what matters is how productive we are with the capital not how much we are spending.
3. The figure below says NHS capital per worker has fallen by 36% in real terms since 2010. i think this is a capital stock per worker figure.
4. The ONS data tell a different story. That is capital services per worker. If you go to
https://www.ons.gov.uk/economy/economicoutputandproductivity/publicservicesproductivity/datasets/publicserviceproductivityestimateshealthcareengland
you can download the 1996-2023 data
from which you get that since 1996 capital has grown 7.6% faster than labour, but from 2010, -20%. So more capital per worker over the whole period.