The Human Rights Act1998 cam into force in 2000 which incorporated the European Convention of Human Rights (ECHR's) into UK law and gave power to UK courts to hear human rights cases.
s1 HRA 1998
Incorporation
Incorporated the ECHR's into UK law.
s2 HRA 1998
a court or tribunal must take into account all past judgements, decisions, declarations and opinions of the ECtHR's. however, it only creates persuasive precedent.
s3 HRS 1998
all UK laws must be interpreted to be compatible with the rights in the convention
Mendoza
The Rent Act 1977 was interpreted to give same sex couples the same rights. it meant that the tenancy could pass to the surviving partner in a same sex relationship
s4 HRA 1998
Declarations of incompatibility
this is where the court can declare a current UK law doesn't comply with the ECHR's.
where the court makes a declaration of incompatibility the parties must still follow UK law.