Human rights — Discrimination — Indirect discrimination — European Convention on Human Rights, 1950, Article 14 — Protocol No 1 to European Convention, Article 1 — Discrimination against women — Discrimination against children — Caps on welfare payments — United Kingdom Regulations implementing benefit cap affecting greater number of women in non-working lone parent households in receipt of benefits — Whether Regulations contrary to Article 14 of European Convention read together with Article 1 of Protocol No 1

Relationship of international law and municipal law — Treaties — Human rights treaties — European Convention on Human Rights, 1950 — Interpretation — Unincorporated treaties — Effect — United Nations Convention on the Rights of the Child, 1989 — Article 3(1) — Relevance for determining whether any breach of European Convention — Whether part of United Kingdom law — Primary interest of children in welfare cases — The law of the United Kingdom