United Kingdom of Great Britain and Northern Ireland

That Election of Members of Parliament ought to be free. (Bill of Rights 1689, Heading 24)

(1) A person is entitled to vote as an elector at a parliamentary election in any constituency if on the date of the poll he—
(a) is registered in the register of parliamentary electors for that constituency;
(b) is not subject to any legal incapacity to vote (age apart);
(c) is either a Commonwealth citizen or a citizen of the Republic of Ireland; and
(d) is of voting age (that is, 18 years or over).
… (Representation of the People Act 1983, Sec. 1)

(1) A person is entitled to be registered in the register of parliamentary electors for any constituency or part of a constituency if on the relevant date he—
(a) is resident in the constituency or that part of it;
(b) is not subject to any legal incapacity to vote (age apart);
(c) is either a qualifying Commonwealth citizen or a citizen of the Republic of Ireland; and
(d) is of voting age.
… (Representation of the People Act 1983, Sec. 4)

1. Everyone has the right to freedom of peaceful assembly and to freedom of association with others,
… (Art. 11 of ECHR, Human Rights Act 1998 Schedule 1)

The registration and funding of political parties is a reserved matter but this paragraph does not reserve making payments to any political party for the purpose of assisting members of the Parliament who are connected with the party to perform their Parliamentary duties. (Scotland Act 1998, Subheading 2, Sec. 6)

That the Succession to the Monarchy of the United Kingdom of Great Britain and of the Dominions thereto belonging after Her most Sacred Majesty and in default of Issue of Her Majesty be remain and continue to the most Excellent Princess Sophia Electoress and Dutchess Dowager of Hanover and the Heirs of her body being Protestants upon whom the Crown of England is settled by an Act of Parliament made in England in the Twelfth year of the reign of His late Majesty King William the Third intituled an Act for the further Limitation of the Crown and better securing the rights and Liberites of the Subject And that all Papists and persons marrying Papists shall be excluded from and for ever incapable to inherit possess or enjoy the Imperial Crown of Great Britain and the Dominions thereunto belonging or any part thereof and in every such Case the Crown and Government shall from time to time descend to and be enjoyed by such person being a Protestant as should have inherited and enjoyed the same in case such Papist or person marrying a Papist was naturally dead according to the Provision for the descent of the Crown of England made by another Act of Parliament in England in the first year of the reign of Their late Majesties King William and Queen Mary intituled an Act declaring the Rights and Liberites of the Subject and settling the Succession of the Crown. (Union with Scotland Act 1706, Art. II)¹¹

Provided always and it is hereby enacted That all and every Person and Persons who shall or may take or inherit the said Crown by vertue of the Limitation of this present Act and is are or shall be reconciled to or shall hold Communion with the See or Church of Rome or shall profess the Popish Religion ... shall be subject to such Incapacities as in such Case or Cases are by the said recited Act provided enacted and established And that every King and Queen of this Realm who shall come to and succeed in the Imperiall Crown of this Kingdom by vertue of this Act shall have the Coronation Oath administred to him her or them at their respective Coronations according to the Act of Parliament made in the First Year of the Reign of His Majesty and the said late Queen Mary intituled An Act for establishing the Coronation Oath and shall make subscribe and repeat the Declaration in the Act first above recited mentioned or referred to in the Manner and Form thereby prescribed. (Act of Settlement 1701, Part II)¹²

In determining the succession to the Crown, the gender of a person born after 28 October 2011 does not give that person, or that person's descendants, precedence over any other person (whenever born). (Succession to the Crown Act 2013, Sec. 1)

That Election of Members of Parliament ought to be free. (Bill of Rights 1689, Heading 24)

… That after the said Limitation shall take Effect as aforesaid no Person born out of the Kingdoms of England Scotland or Ireland or the Dominions thereunto belonging (although he be ...
made a Denizen (except such as are born of English Parents) shall be capable to be of the Privy Councill or a Member of either House of Parliament or to enjoy any Office or Place of Trust either Civill or Military or to have any Grant of Lands Tenements or Hereditaments from the Crown to himself or to any other or others in Trust for him
... (Act of Settlement, 1701, Part III)

That the United Kingdom of Great Britain be represented by one and the same Parliament to be stiled The Parliament of Great Britain. (Union with Scotland Act 1706, Art. III)

1. Her Majesty shall have power by letters patent to confer on any person a peerage for life having the incidents specified in subsection (2) of this section.
…
3. A life peerage may be conferred under this section on a woman. (Life Peerages Act 1958, Sec. 1)