UK family visas don't follow a single eligibility model. There are four distinct routes with materially different criteria, and if you're building or maintaining any HR compliance, HRIS, or onboarding workflow that intersects with employee immigration, treating them as one category will produce wrong outputs.
This post covers the route architecture, the threshold parameters that changed in 2024 and are scheduled to change again, and the dependency cases that simple eligibility checks miss.
Route Architecture
The four family routes HR systems need to model separately:
1. Partner/Spouse of British citizen or settled person
- Minimum income: £29,000 gross (current); £34,500 (next announced threshold); £38,700 (final level)
- Threshold applied at time of application, not at time of relationship formation
- Financial sponsor: UK-based British citizen or ILR/EUSS-settled person
- Children can be included on the same application if under 18 and not previously admitted with a dependent restriction
2. Child joining a parent
- Sponsor must have at least 2.5 years remaining leave
- Not applicable if sponsor is on Visitor, Student, or Short-term visa category
- Adequacy of maintenance assessed case-by-case, not threshold-based
- Consent from the non-resident parent is a hard dependency (with documentary evidence requirement)
3. Adult dependent relative
- Hardest route; roughly 1 in 3 applications refused at initial stage
- Eligibility conditional on: need for long-term personal care AND unavailability of that care in country of origin
- Applicable relatives: parent, grandparent, adult sibling
- No financial threshold — Home Office assesses overall adequacy and care availability abroad
4. Leave Outside the Rules / Human Rights claims
- Article 8 ECHR basis
- No rule-based eligibility check possible — all case-by-case
- Not modelable as a binary yes/no in a compliance tool
The Financial Threshold Problem
The partner visa income requirement has three active threshold values depending on application date:
Before April 2024: £18,600 (legacy — still in force for applications filed earlier)
April 2024 onwards: £29,000
Next announced uplift: £34,500 (date to be confirmed by Home Office)
Final announced level: £38,700
HR compliance tools last updated before April 2024 will have the wrong threshold hardcoded. If you're using a third-party HRIS with immigration eligibility checks, verify when this was last updated against current Immigration Rules.
The threshold applies to the UK-based sponsor's income only, with nuances:
- Cash savings above £16,000 can supplement income (£1 of savings above that floor = £1 of additional income headroom, effectively)
- If the partner applicant already has permission to work in the UK, their UK income counts only in specific circumstances, not by default
- Per-child increment: approximately £3,400 per dependent child above the base threshold
Edge Cases That Surface in HR Workflows
The self-employed sponsor. Income is calculated as net profit averaged across the last two completed tax years, not gross invoiced revenue. A contractor invoicing £60k but with significant allowable expenses may fall below £29,000 net. Standard salary verification processes don't catch this.
The mixed-income case. If the sponsor has employment income AND rental income AND dividend income, each source is treated differently. Only accepted income types count — a household that looks financially eligible may fail the formal calculation if some income is from sources the rules exclude.
The child added mid-application. Adding a child after initial partner visa submission changes the adequacy threshold. Compliance logic needs to handle this as a conditional increment, not a fixed sum.
The settlement timing dependency. The 5-year route to ILR begins from when leave was first granted, not from the date of physical entry. HR systems tracking years-to-ILR should record grant date, not entry date — these diverge when there's a gap between visa issue and travel.
The sponsor status change. A dependent family member's leave is tied to the sponsor's. If the employee changes employer, drops below the minimum salary, or has their own visa curtailed, the family member's leave may also be affected. Compliance tools need to trigger a dependency review whenever the sponsor's status changes.
What a Robust Compliance Dataset Looks Like
For employees who have sponsored family members, the minimum fields that enable accurate eligibility tracking:
| Field | Notes |
|---|---|
| Sponsor visa category | Determines whether family route is available at all |
| Remaining leave on sponsor visa | <2.5 years blocks child additions |
| Income type breakdown | Employment / self-employment / rental treated differently |
| Dependants count and ages | Each child increments the income threshold |
| Application date | Determines which threshold version applies |
| Family member leave grant dates | Different from sponsor's grant date if applied separately |
Integration Points
The authoritative source for current eligibility rules is Appendix FM of the Immigration Rules (legislation.gov.uk). The rules are dense — Appendix FM runs to hundreds of paragraphs — but they're the only source that reflects what the Home Office actually uses to assess applications.
For a plain-English layer that can answer specific eligibility questions based on the current rules, ImmigrationGPT covers UK family visa queries and is updated against current Home Office policy.
Immigration rules change. Validate thresholds and eligibility criteria against current Home Office guidance before implementing compliance logic.
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