The public housing question dominates, so deal with it first: an unmarried couple ordinarily cannot buy a BTO flat together as a couple. Singapore’s public housing schemes are built around a family nucleus, and a couple with no intention to marry does not form one. The Single Singapore Citizen Scheme allows an eligible single Singapore citizen to buy on their own from the age of 35, but that is one person buying one flat, not two people buying together.
That pushes most unmarried couples towards private property, where the constraint is money rather than eligibility. And that is where the decisions that actually protect you get made: how you hold the title, how you record who paid what, and what you have agreed happens if it ends.
The HDB reality
Public housing eligibility runs on schemes, and each scheme defines who may apply together. The main routes involve a family nucleus, such as a couple who are married or are applying as an engaged couple intending to marry, or parents and children, or in some cases siblings. An unmarried couple who are simply living together does not fit.
The exception for a single buyer is the Single Singapore Citizen Scheme, open to an eligible single Singapore citizen from 35. Beyond that age threshold, we are not going to list conditions here, because the schemes, the income ceilings and the flat types available change and getting it wrong is expensive. Ask HDB. They are the only body that can tell you what you personally qualify for, and their answer is the only one that counts.
Two consequences follow. First, if one of you buys a flat as a single buyer, it is their flat: the other partner has no ownership by virtue of living there or contributing to the mortgage, and putting money into someone else’s HDB flat is one of the least protected things you can do with savings. Second, if you later marry, your eligibility changes entirely, and so does what happens to a flat one of you already owns. That is an HDB question too.
Private property is the realistic joint route
Private residential property has no family nucleus requirement. Two unrelated people can buy together, subject to financing and to the additional buyer’s stamp duty rules that apply based on each buyer’s profile and existing holdings. The bank will assess you both, and if you are both on the loan you are both fully liable for it, the point most couples underestimate, and one we come back to below.
Joint tenancy or tenancy in common: the decision that matters most
There are two ways to hold property jointly in Singapore, and the difference is not a technicality.
Joint tenancy means you own the whole property together, with no defined shares, and it carries a right of survivorship. If one of you dies, the entire property passes automatically to the survivor. It does not matter what your will says. It does not matter that one of you paid eighty per cent.
Tenancy in common means each of you owns a defined share, whether 50/50, 70/30 or whatever you specify, and each share is yours to deal with. You can leave it by will. You can, in principle, sell or transfer it.
| Question | Joint tenancy | Tenancy in common |
|---|---|---|
| Are shares defined? | No, you own the whole together | Yes, in whatever proportions you record |
| What happens on death? | Passes automatically to the survivor | Your share passes under your will, or by intestacy |
| Does a will control it? | No | Yes |
| Reflects unequal contributions? | No | Yes, if the shares are set to match |
| Typical fit | Married couples pooling everything | Unmarried buyers, unequal contributions |
Unmarried buyers should almost always hold as tenants in common in recorded shares. Survivorship is a blunt instrument that suits couples who intend everything to pool. It is a poor fit where the contributions are unequal, where one of you has children from a previous relationship, or where the relationship is simply less than a decade old. The full comparison is set out in joint tenancy versus tenancy in common.
Set the shares to reflect what you are each actually putting in. If one of you funds seventy per cent of the deposit and you both service the mortgage equally, work out what that means proportionally and record it. It is a conversation nobody enjoys and it takes an hour.
Documenting unequal contributions
Married couples who separate get the benefit of section 112 of the Women’s Charter, under which a court divides matrimonial assets on a broad view of fairness including indirect and non-financial contributions. None of that applies to you. If you split, the question is the ordinary property law question: who owns what share, and what evidence is there.
The evidential problem is real. Six years on, all of these are genuinely hard to prove: who paid the option fee, whether a lump sum from one partner’s parents was a gift to one of you or to both, who paid for the renovation, and whether the partner who covered the utilities and groceries while the other paid the mortgage was contributing to the property or to living costs. Bank records show the movement of money. They rarely show what it was for.
So record it, at the time:
- The deposit: who paid what, from cash and from CPF, and whether any part came from a family member and on what terms.
- The mortgage: the intended split of the monthly instalment, and what happens if one of you cannot pay for a period.
- Renovation and furniture: usually the largest untracked sum, and the one most likely to be paid disproportionately by one party.
- Family money: whether it is a loan or a gift, and to whom. The reasoning is the same as in whether parental money is a loan or a gift.
How property disputes between unmarried couples are resolved covers what a court does when the records do not exist, and the short answer is that it does its best with thin material and neither party enjoys the result.
A co-ownership or cohabitation agreement
A written agreement between you is the single most useful document you can have, and the least common. It should deal with the three events that actually happen.
If you break up
Does one of you have the right to buy the other out, and how is the price fixed? How long does the other have to move out? What if neither can afford to buy the other out, is there an obligation to sell, and who handles the sale? What happens to the renovation money?
If one of you dies
Can the survivor stay in the property, and for how long? Does the deceased’s share pass to their estate, and what does that mean for the survivor living with a beneficiary they may not know?
If one of you wants out while the relationship continues
Job loss, a move overseas, a change of plan. Who has the right to force a sale, and after what notice?
What a cohabitation agreement can and cannot do sets out the scope and the limits. It will not give you the rights a married couple has, but it turns an argument into a document.
Wills, because your partner inherits nothing
This is the point people most often get wrong. Under the Intestate Succession Act, an unmarried partner is not a beneficiary. Not after five years together, not after twenty, not if you have children together. If you die without a will, your share of the property goes to your legal next of kin, whether parents, siblings or children, and your partner has no claim on it.
If you hold as joint tenants the survivorship rule saves you on the property but not on anything else. If you hold as tenants in common, which you should, your partner gets your share only if you leave it to them. Making a will in Singapore covers the requirements, and if you have no close relatives at all the estate can end up passing to the state, as described in what happens to an estate with no heirs.
Do the wills at the same time as the purchase. It is the cheapest part of the transaction and the part most likely to matter.
The mortgage does not care that you broke up
If you are both borrowers, you are both liable to the bank for the full loan. Moving out does not end that. Your ex-partner failing to pay their half does not end it either: the bank will come to whichever of you it can collect from, and a default damages both credit records.
Removing a name requires the bank’s consent and usually a refinancing in the remaining party’s sole name, which the bank will only approve if that person can service the loan alone. If they cannot, the realistic options are selling or continuing to pay jointly while living apart. The wider picture on joint liabilities is set out in how joint debts are handled when a relationship ends, and the practical steps for separating a shared life are in ending a cohabiting relationship.
If you later marry
Marrying changes several things at once. Your HDB eligibility changes, and a flat one of you owns as a single buyer may need to be dealt with, and again that is an HDB question. Additional buyer’s stamp duty rules apply to you as a married couple rather than as two individuals for future purchases.
Most importantly, property you own becomes potentially divisible as a matrimonial asset if the marriage later ends. The shares you carefully recorded as tenants in common are then evidence of contribution rather than a binding allocation, because a court dividing matrimonial assets under section 112 takes a broader view. That is not a reason to skip the documentation, since good records help you either way, but it is a reason not to assume the agreement you signed as an unmarried couple survives untouched into the marriage. The general position of unmarried couples in Singapore is the starting point, and if you want advice on your own arrangement we can connect you with a licensed Singapore law practice through our contact page.
