Weddings and Relationships Money Guide UK 2026 — Planning, Costs and FinanceMoving In Together Finances UK — Money Checklist for Couples
Complete guide to finances when moving in with partner UK. Joint accounts, bills, rent/mortgage, protecting your money, and what to discuss before cohabiting.
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Moving in together is exciting but needs financial planning. Here’s your complete guide.
Before You Move In
The Money Conversation
| Topic | Discuss |
|---|
| Income | What you each earn |
| Debts | Any loans, credit cards, student loans |
| Credit scores | Both check yours |
| Spending habits | Saver vs spender |
| Financial goals | Short and long-term |
| Attitudes to money | How you were raised |
Why It Matters
| Issue | Consequence |
|---|
| Hidden debts | Strain relationship |
| Different values | Arguments |
| No plan | Resentment |
| Open discussion | Prevents problems |
Splitting Costs
Common Approaches
| Method | How It Works |
|---|
| 50/50 split | Everything divided equally |
| Proportional | Split by income ratio |
| One pays, one saves | E.g., rent vs bills |
| Pooled income | Everything shared |
Proportional Split Example
| Person | Income | % of Total | Monthly Bills £2,000 |
|---|
| Partner A | £40,000 | 57% | £1,140 |
| Partner B | £30,000 | 43% | £860 |
| Total | £70,000 | 100% | £2,000 |
What to Include
| Category | Items |
|---|
| Housing | Rent/mortgage |
| Bills | Energy, water, council tax |
| Insurance | Contents, buildings |
| Broadband/TV | Subscriptions |
| Groceries | Food shopping |
| Personal | Usually kept separate |
Bank Account Options
Approaches
| Approach | How It Works |
|---|
| Fully joint | All income paid in, all spending from joint |
| Joint for bills | Both keep personal, contribute to joint for bills |
| Completely separate | Transfer shares of bills |
| Yours, mine, ours | Three accounts |
Opening a Joint Account
| What to Know | Details |
|---|
| Both named | Full access each |
| Either can spend | Trust required |
| Credit linked | Both credit files affected |
| Closing | Both must agree |
Best Banks for Joint Accounts
| Feature | Options |
|---|
| Traditional | Most high street banks |
| Digital | Monzo, Starling joint accounts |
| App features | Pot/space for bills |
| Switching | Move for bonuses |
Renting Together
Joint Tenancy
| Feature | Implication |
|---|
| Both on lease | Both fully liable |
| One leaves | Other must pay full rent |
| Landlord can chase | Either of you |
| Deposits | Usually joint |
Protecting Yourself
| Action | Why |
|---|
| Both on tenancy | Otherwise no rights |
| Record contributions | Proof of payment |
| Deposit split | Agree and note shares |
| Exit strategy | Discuss break clause use |
If You Split Up (Renting)
| Situation | Options |
|---|
| Both want to leave | Give notice together |
| One stays | New tenancy or remove name |
| Fixed term | Both liable until end |
| Contact landlord | Early about changes |
Buying Together (Unmarried)
Joint Ownership Types
| Type | How It Works |
|---|
| Joint tenants | Equal shares, survivor inherits |
| Tenants in common | Can be unequal, goes to estate |
| Common for unmarried | Tenants in common |
Declaration of Trust
| What It Is | Protection |
|---|
| Legal document | States ownership shares |
| Records | Who paid what deposit |
| Specifies | What happens if you split |
| Essential | For unequal contributions |
Example Situation
| Contributions | Without Trust | With Trust |
|---|
| You: £50,000 deposit | 50% each (as joint tenants) | 70% you, 30% them (specified) |
| Partner: £10,000 deposit | You lose £20,000 | Protected |
Getting a Joint Mortgage
| Consideration | Detail |
|---|
| Both responsible | For 100% of debt |
| Both creditworthy | Need good scores |
| Affordability | Based on joint income |
| If one defaults | Other must pay all |
Cohabitation Agreements
What They Cover
| Area | Specifies |
|---|
| Asset ownership | Who owns what |
| Property shares | Split if you separate |
| Debts | Who pays what |
| Bills | Contribution agreement |
| Pets | Who keeps them |
Getting One
| Method | Cost |
|---|
| Solicitor drafted | £500-1,500 |
| Online template | Cheaper but less tailored |
| Each needs advice | Independent solicitor |
| Regular review | As circumstances change |
Why Important
| Legal Reality | UK Law |
|---|
| No common law marriage | Doesn’t exist |
| Unmarried rights | Very limited |
| Long-term cohabiting | Still no automatic rights |
| Protection needed | Agreement provides it |
Bills and Admin
Whose Name?
| Bill Type | Consider |
|---|
| Council Tax | Joint liability anyway |
| Energy | Either or joint |
| Water | Occupier liable |
| Broadband | Best deal seeker |
| TV Licence | Address-based |
Practical Tip
| Approach | Benefit |
|---|
| Split main accountholders | Not all in one name |
| Build credit | Both get credit history |
| If you split | Easier to divide |
Credit Implications
Financial Association
| What Happens | When |
|---|
| Joint account | Creates financial link |
| Joint credit | Links credit files |
| Their debt | Can affect your applications |
| Their poor credit | May impact you |
Protecting Your Credit
| Action | Why |
|---|
| Check their credit first | Before joint products |
| Consider separate credit | Cards, loans |
| Monitor your file | For issues |
| If you split | Disassociate through credit agencies |
Emergency Fund
Joint vs Separate
| Approach | Pros |
|---|
| Joint emergency fund | Both contribute, both benefit |
| Separate funds | Independence |
| Combination | Joint for shared, personal for individual |
How Much
| Guideline | Amount |
|---|
| 3-6 months expenses | Standard advice |
| Shared monthly costs | ~£2,000 × 3-6 |
| Target | £6,000-12,000 joint |
Children Together
Additional Considerations
| If Having Children | Think About |
|---|
| Parental responsibility | Unmarried fathers must register |
| Wills | Who children go to |
| Life insurance | Cover each other |
| Increased costs | Childcare, etc. |
Summary
Checklist Before Moving In
| Action | Done? |
|---|
| Have money conversation | ☐ |
| Check credit scores | ☐ |
| Agree on split approach | ☐ |
| Open joint account (if wanted) | ☐ |
| Set joint budget | ☐ |
Checklist If Buying
| Action | Done? |
|---|
| Agree ownership shares | ☐ |
| Get declaration of trust | ☐ |
| Choose tenants in common | ☐ |
| Update wills | ☐ |
| Life insurance for mortgage | ☐ |
Key Points
| Area | Recommendation |
|---|
| Communication | Open and honest |
| Documentation | Protect unequal contributions |
| Credit | Understand link implications |
| Legal rights | Limited for cohabitees |
| Agreement | Consider cohabitation agreement |
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