The link above takes you straight
to the form that you need to complete so that the Inland Revenue are aware of
your self-employed status and they can
register you as such, to ensure that you are paying the right National Insurance
contributions, etc.
You will need to complete a self
assessment Tax Return each year which can also register for/complete online by
following this link
Why not also not download the
templates book - for only £6.99 you get all the templates you need for your home
typing service and, you get the spreadsheets to make your invoicing, keeping track of
all your work and filling in your Tax return as easy as
1, 2, 3!