It's not very good now that the Tories have starved it of funds for over a decade with a view to selling it off.
In 2005, Direct Democracy: An Agenda For A New Model Party was co-authored Jeremy Hunt Michael Gove, David Gauke, and Kwasi Kwarteng, among others.
On page 78, it states that
Our ambition should be to break down the barriers between private and public provision, in effect denationalising the provision of health care in Britain.
And on page 74 asserts that
patients, either through the tax system or by way of universal insurance, [should] purchase health care from the provider of their choice
NHS c. 2009 was excellent. Don't forget that.
Do you think private healthcare is illegal in the UK or something? Have you not heard of people going private?
It is a bold move to say that "Tories want to privatise nationalised services" is a conspiracy theory, given the number of times they have already done it.
ETA: They also tried it with the Forestry Commission.
It was thought that British Rail was so beloved that no one would dare sell that off, too.