An annulment is a court ruling that your marriage was never legally valid, or that a serious defect at the time you married entitles you to have it cancelled. It is fundamentally different from a divorce. A divorce ends a valid marriage that has broken down. An annulment says the marriage should never have counted in the first place, and it returns you to the legal status of “single” rather than “divorced”.

This guide explains how annulment works under the Women’s Charter 1961, the difference between void and voidable marriages, the grounds for each, the court process and typical timeline, and what an annulment means for your HDB flat, other assets and your children. It covers civil marriages. Muslim marriages registered under the Administration of Muslim Law Act are dealt with by the Syariah Court under its own rules, so if you married under Muslim law your route is different.

What Is an Annulment of Marriage?

In legal terms, an annulment is a “judgment of nullity” granted by the Family Justice Courts. It declares that a marriage is null and void. The Women’s Charter divides defective marriages into two categories: void marriages, which the law treats as never having existed at all, and voidable marriages, which are valid until a court annuls them.

People pursue annulment instead of divorce for practical and personal reasons. The most significant practical one is timing: you cannot normally file for divorce until you have been married for three years, but there is no such waiting period for annulment. Many people also prefer to record their status as single rather than divorced, whether for personal, cultural or religious reasons. If you are still weighing your options, the full comparison of annulment and divorce walks through which route fits which situation.

Void Marriages Under Section 105 of the Women’s Charter

A void marriage is one the law refuses to recognise from the very beginning. Under section 105 of the Women’s Charter, read with the sections it points to, a marriage is void in situations such as:

  • Bigamy: one party was already lawfully married to someone else at the time of the marriage.
  • Prohibited degrees of relationship: the parties are too closely related, for example a parent and child or siblings, unless a special exception applies.
  • Underage marriage: a party was below the minimum marriage age of 18 and no special marriage licence was granted.
  • Same-sex marriage: a marriage between two people of the same sex is void under the Women’s Charter.
  • Invalid solemnisation: the marriage was not properly solemnised, for example without a valid marriage licence or by a person not authorised to solemnise marriages.

Because a void marriage never legally existed, in theory you do not need a court order to “undo” it. In practice, it is still sensible to apply for a judgment of nullity. The judgment gives you formal proof of your status, allows official records to be corrected, and unlocks the court’s powers to divide assets and order maintenance, which can matter a great deal if you bought property or had children together.

Voidable Marriages Under Section 106: The Six Grounds

A voidable marriage is legally valid until a court annuls it. Only the spouses themselves can challenge it, and only during their lifetimes. Section 106 of the Women’s Charter sets out six grounds on which a marriage is voidable:

  1. The marriage has not been consummated because of the incapacity of either party to consummate it.
  2. The marriage has not been consummated because of the wilful refusal of the other party to consummate it.
  3. Either party did not validly consent to the marriage, because of duress, mistake, unsoundness of mind or otherwise.
  4. At the time of the marriage, a party was suffering from a mental disorder that made them unfit for marriage.
  5. At the time of the marriage, the other party was suffering from a sexually transmitted disease in a communicable form.
  6. At the time of the marriage, the wife was pregnant by another man.

Non-Consummation: The Most Common Ground in Practice

Most annulment applications in Singapore rely on non-consummation. Consummation means ordinary sexual intercourse between the spouses after the marriage. Intimacy before the wedding does not count. There are two distinct limbs. Incapacity means a party is unable to consummate the marriage, whether for physical or psychological reasons, and you can rely on your own incapacity as well as your spouse’s. Wilful refusal means the other spouse has made a settled and definite decision not to consummate the marriage, without a good reason, and this limb can only be based on your spouse’s refusal, not your own.

Evidence is usually given by affidavit setting out the history of the marriage. In contested cases the court may look for corroboration, and medical evidence is sometimes relevant where incapacity is alleged. Where both spouses agree on the facts, these cases often proceed without anyone giving oral evidence.

Time Limits and Bars to Annulment

Section 107 of the Women’s Charter imposes important limits. For the grounds of lack of consent, mental disorder, communicable sexually transmitted disease and pregnancy by another man, you must start proceedings within three years of the marriage. For the disease and pregnancy grounds, you must also have been unaware of the facts when you married. Separately, the court must refuse an annulment if you knew you could have the marriage annulled but behaved in a way that led your spouse to reasonably believe you would not seek one, and it would be unjust to grant it. The non-consummation grounds have no fixed deadline, but long delay can weaken your case, so it pays to act promptly.

No 3-Year Wait: Why Timing Makes Annulment Attractive

Under section 94 of the Women’s Charter, you generally cannot file for divorce during the first three years of marriage. The court can allow an early divorce only in cases of exceptional hardship or exceptionally unreasonable and cruel behaviour, a high bar explained in more detail in our guide to divorcing before three years of marriage.

Annulment is not caught by this rule at all. If a valid ground exists, you can apply at any time after the wedding. This is why annulment is often the only immediate court route out of a very short marriage. The trade-off is that the grounds are narrow and fact-specific: you cannot annul a marriage simply because it broke down quickly. If no annulment ground fits your facts, waiting out the three-year bar and then filing for divorce may be the realistic path.

The Annulment Process and Timeline in Singapore

Annulment proceedings are started in the Family Justice Courts and follow a shape very similar to the divorce process:

  1. Filing. You file a writ for nullity together with a statement of claim and statement of particulars setting out the ground relied on, plus proposed arrangements for any children.
  2. Service. The papers are served on your spouse, who can agree, contest, or not respond.
  3. Hearing. Uncontested cases are typically dealt with quickly, sometimes without the parties attending. Contested cases go through directions, affidavits and a hearing where evidence is tested.
  4. Interim judgment of nullity. If the ground is proved, the court grants an interim judgment.
  5. Ancillary matters. The court then deals with division of assets, maintenance, and arrangements for the children.
  6. Final judgment. The interim judgment can be made final, at the earliest, three months after it is granted and once ancillary matters are resolved.

Timelines vary with the court’s schedule and how contested the case is. As a guide, an uncontested annulment often takes around five to eight months from filing to final judgment, while a contested one can take a year or more. Treat any timeline as an estimate, not a promise.

Effect of an Annulment: “Single”, Not “Divorced”

Once the final judgment of nullity is granted, your legal status reverts to single. For a void marriage, the law treats the marriage as never having existed. For a voidable marriage, section 110 of the Women’s Charter provides that the marriage is treated as having existed up to the date it is annulled. The annulment operates from that point, not retrospectively. Either way, after final judgment your records can be updated and you are free to marry again.

For many people this difference in label matters. “Single” rather than “divorced” can carry personal and religious significance, and it also means the three-year bar on divorce never becomes relevant to you for that marriage.

HDB Flats, CPF and Other Assets After Annulment

Annulment does not mean each person simply walks away with whatever is in their name. In nullity proceedings the court has the same powers it has in divorce to divide matrimonial assets under section 112 of the Women’s Charter and to order maintenance. The court applies the structured approach used in divorce cases, weighing each party’s direct financial contributions and indirect contributions to the marriage and household. You can read more in our guide to how matrimonial assets are divided. In very short marriages with no children, the practical outcome is often that each party keeps what they contributed, but that is a result of applying the law to short-marriage facts, not a special annulment rule.

The HDB flat deserves special attention. If you bought a flat together and the marriage is annulled before the minimum occupation period is up, you will usually not be able to keep the flat as a couple, and neither party may qualify to retain it alone. In many annulment cases the flat has to be surrendered to HDB, with compensation assessed by HDB, and any CPF monies used for the purchase refunded to each party’s CPF account in accordance with CPF Board rules. HDB assesses each case on its own facts and eligibility schemes change, so check with HDB directly before making plans. Our guide to what happens to an HDB flat when a marriage ends explains the wider principles.

Children of an Annulled Marriage Remain Legitimate

A common fear is that annulment somehow “erases” the children of the marriage. It does not. Under section 111 of the Women’s Charter, a child who would have been the legitimate child of the parties had the marriage been dissolved by divorce is deemed to be their legitimate child when the marriage is annulled. The law also protects children of void marriages where a parent reasonably believed the marriage was valid.

Practical arrangements for the children are decided exactly as they would be in a divorce. The court can make orders on custody, care and control, and access, always guided by the child’s welfare as the paramount consideration, and both parents remain responsible for maintaining the child. See our guide to child custody, care and control and access in Singapore for how these orders work.

Annulment is a precise legal remedy, not a faster or cheaper divorce. It fits when your facts genuinely match one of the void or voidable grounds: most commonly non-consummation, lack of valid consent, or the discovery that your spouse was already married. If your marriage simply has not worked out, divorce is the correct route, and if you have been married less than three years your realistic options are an early-divorce application on hardship grounds or waiting until the bar lifts. Because the grounds are technical and the consequences for your home and finances are significant, getting advice from a family lawyer before choosing a route is money well spent.

Every guide in Annulment