A spouse visa application is a type of visa that allows the spouse or civil partner of a UK resident or British citizen to join them in the UK. The purpose of this visa is to enable married or civil partner couples to live together in the UK.

To apply for a spouse visa in the UK, there are several key requirements that must be met.

These requirements typically include:

1. Relationship eligibility: You must be legally married to or in a civil partnership with a UK resident or British citizen who meets the financial and immigration requirements to sponsor your visa.
2. Financial eligibility: The sponsoring partner must meet the financial criteria, which often involves demonstrating a minimum income threshold or meeting specific financial conditions.
3. Accommodation: You must have appropriate accommodation available for you and your partner in the UK, which meets the Home Office's standards.
4. English language proficiency: In most cases, you will need to demonstrate your English language proficiency by taking an approved English language test.
5. Genuine relationship: You must provide evidence that your relationship is genuine and subsisting, including documents such as marriage certificates, joint financial commitments, and correspondence.

The spouse visa application process typically involves completing an online application form, providing supporting documents, attending a biometric appointment, and paying the application fees.

It's important to note that the specific requirements and procedures may vary, and it is essential to refer to the official UK government website or consult with an immigration lawyer or advisor who specializes in UK immigration law to obtain the most accurate and up-to-date information for your situation. They can guide you through the application process and help ensure that you meet all the necessary requirements for a successful spouse visa application.