HMRC Website – Link to HMRC Website. For all your UK Tax info and dealings refer to this website
Self Assessment – If you need to pay additional tax to HMRC than what is deducted in PAYE by you employer, refer to this link.
Nice Tax Calculator – Rough UK PAYE tax calculation. Not official one, but easy to use
Rental Income – Toolkit and loads of info from gov.uk
More info and relevant links will be added soon regarding NI, Self Assessment etc. If you have any suggestions please feel to use the Contact Us page to let us know.