Click any step to jump to it - the lit step is the one showing below. Assertive in the Hale years, more restrained since, with Parliament still holding the last word. Green = strengthened or expanded · Amber = mixed or contested · Red = weakened or curbed.
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What happened. The UK Supreme Court opened on 1 October 2009, created by the Constitutional Reform Act 2005, replacing the Appellate Committee of the House of Lords (the Law Lords).
What it shows. A structural completion of the separation of powers - the senior judges no longer sit inside Parliament. Court is born
What happened. In R (Evans) v Attorney General ("black spider memos"), the Court struck down the Attorney General's veto that had blocked release of Prince Charles's letters to ministers under Freedom of Information.
What it shows. The Court refused to let a minister override a statutory transparency regime. Veto struck down
What happened. In R (Miller) v Secretary of State (Miller 1), the Court held 8-3 that the May government could not trigger Article 50 by prerogative; Parliament had to legislate first.
What it shows. Prerogative power constrained in favour of Parliament on a central constitutional question. Article 50 check
What happened. In R (Miller) v The Prime Minister (Miller 2), with Lady Hale presiding, the Court ruled 11-0 that Boris Johnson's prorogation of Parliament was unlawful, "void and of no effect".
What it shows. The high-water mark of Hale-era assertiveness - the prerogative to prorogue has legal limits. Prorogation void
What happened. In R (Begum) v Home Secretary, the Reed-era Court upheld the Home Secretary's deprivation of Shamima Begum's citizenship on national-security grounds.
What it shows. Judicial restraint and deference to the executive - a deliberate contrast with the Hale era. Executive deference
What happened. In the Rwanda case (R (AAA)), the Court unanimously ruled the Sunak government's removal scheme unlawful because Rwanda was not, on the evidence, a safe third country.
What it shows. Mixed - it stopped a flagship policy, but reasoned narrowly on the facts, not on broad rights principles. Rwanda blocked
What happened. Parliament responded with the Safety of Rwanda (Asylum and Immigration) Act 2024, legislating that Rwanda was a safe country - overriding the Court's ruling.
What it shows. Parliamentary sovereignty intact - the Court cannot strike down statute, and the legislature gets the last word. Parliament overrides
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The Court's creation in 2009 completed the separation of powers by lifting the senior judges out of the House of Lords. From there its profile rose: Evans (2015) struck down a ministerial veto, and the two Miller cases (2017, 2019) constrained the prerogative on the central questions of the Brexit era.
Miller 2, an 11-0 ruling that a prorogation was unlawful, is the high-water mark of judicial assertiveness under Lady Hale. But the Reed-era Court that followed has been more restrained: Begum (2021) deferred to the executive on national security, and even the Rwanda ruling (2023) was decided narrowly on the facts.
The decisive point for the "too powerful" debate is 2024: when Parliament passed the Safety of Rwanda Act to override the ruling, the Court accepted it. The Court can interpret and check, but it cannot strike down an Act of Parliament.
The same events split by side. Build each paragraph around one point from each column, then judge.
Rwanda (2023) cuts both ways: assertive in effect (it blocked the policy) but restrained in method (decided narrowly on the facts, not bold rights principles).
For "Evaluate the view that the Supreme Court has become too powerful", this timeline supplies both sides. Miller 1 and 2, Evans and Rwanda argue the Court has reached into politics; the Safety of Rwanda Act override, Begum's restraint and the absence of any strike-down power argue it is doing its job. End each paragraph with an interim judgement.
Keep the cases precise: Court opened 2009, Evans 2015, Miller 1 2017, Miller 2 2019, Begum 2021, Rwanda ruling 2023, Safety of Rwanda Act 2024.