It doesn't 'confuse British laws'. The Human Rights Act simply means that judges must take in to account the the European Convention on Human Rights when drafting or interpreting laws:
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The Human Rights Act 1998
Section 1 of the HRA makes the rights contained in the ECHR legally enforceable in the UK. The HRA came into force on 2 October 2000.
Under section 2 of the HRA the UK courts must take into account any relevant decisions of the European Court of Human Rights when considering human rights issues. However, European Court decisions are not legally binding on the UK.
Section 3 of the HRA requires laws to be interpreted as far as possible so as to be compatible with human rights. If a law cannot be interpreted to make it human rights compliant, the courts can make ‘declarations of incompatibility’ (section 4 of the HRA). These declarations are statements that a law is not compatible with human rights. Judges in the UK cannot overturn primary legislation if they find that it is not human rights compliant, although they can overturn secondary legislation.
If a declaration of incompatibility is made, the Government can then decide whether to amend the legislation in order to make it compatible with human rights. There is a special Parliamentary procedure for amending legislation declared incompatible under the HRA (section 10 and schedule 2).
www.mind.org.uk/information-support/legal-rights/human-rights-act/
The Human Rights Act example is also a bad example as it WILL NOT disappear if the UK leaves the EU, the Labour Party guaranteed that, by taking old international law brought in after WWII and LEGISLATING IT INTO UK LAW, which is why the Act has a 1998 date, when criminals/terrorists and their lawyers hide behind it.
First of all, calm down. Secondly, as far as I understand, no Parliament is bound by the laws of any previous Parliament. It would be technical possible so some reactionary party, like the Tory scum or UKIP, to abolish the act. I'm pretty sure that's is, or has been, in the UKIP manifesto - though I may be wrong.
Oh yeah, here we go: Tory scum threaten to repeal act:
www.theguardian.com/law/2013/sep/30/conservitives-scrap-human-rights-act
And the HRA has done more to protect the citizens of this country and their rights than any opposition government. The UK currently has no written constitution, in the sense of a set of written rules and guidelines limiting state power.
This nonsense about terrorists 'abusing' the HRA is propaganda from the reactionary crowd in order to abolish these rights. In most cases, it is right that the people in question aren't deported (from the cases I heard) - they were suspects, not convicts, and it was highly like that they would be tortured or killed if extradited. This is precisely the sort of thing the HRA is for.
The 'British Bill of Rights', especially one laid out by the Tories, would be an utter joke and completely fail to protect citizens basic rights. You can expect a government which has brought in the recent Gagging law and which tried to make a new law which prevented people from being a 'nuisance in public' www.bbc.co.uk/news/uk-politics-25648019 to create any Bill of Rights which isn't a complete joke and completely meaningless.