What exactly are the RIGHTS of married couples? I'm not aware of any...
For the purposes of capital gains tax, a married couple/civil partners can claim private residence relief for only one dwelling, even if they live apart.
Married/civil partners can possess joint property without needing to agree a contract.
A spouse of a British citizen is entitled to a residence permit if the spouse is from the EU. If not, to apply for residence the British spouse must meet a minimum income requirement of at least £18,600 a year for the past six months.
A spouse may not be compelled by a criminal court to disclose private communications with their spouse.
When a married couple/civil partners separate, the courts have wide powers to divide their property and may set aside prenuptial agreements.
No inheritance tax is payable on an estate inherited by a surviving spouse/civil partner, if they are UK domiciled.[2]
The surviving spouse inherits part or all of the estate of a spouse who dies intestate.
The surviving spouse is paid a proportion of their deceased spouse's pension.
Women who become spouses to male peers and knights usually receive titles which last for the length of a marriage.