somethingprettyBy SomethingPretty editorial · Published · 7 min read
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Choose a plus-one approach before sending invitations, then communicate exactly who is invited. A consistent process reduces awkward conversations, but it still needs room for access arrangements and individual circumstances. This guide offers practical wording, a fictional cost example and a way to handle requests without turning your guest list into a public debate.
Decide what your plus-one approach is trying to solve
A plus-one question can involve space, cost, friendship, travel and whether someone will know anyone else. Begin with the limits you can genuinely explain. How many people can the confirmed layout and budget accommodate? What kind of celebration do you want? Those questions are more useful than trying to rank whose relationship is most serious.
Discuss your approach together before invitations go out. You might invite named partners, offer an additional guest to people travelling alone or make another arrangement that fits your celebration. No approach makes every difficult case disappear. The goal is to make decisions thoughtfully and communicate them clearly, not to create a rigid social test. Keep the plan private while you work through it, especially if relatives have different expectations about who should automatically be included.
Use categories carefully without making assumptions about people
A category can help you apply the plan consistently, but it is not a substitute for knowing the guest. Avoid equating a marriage certificate with the only meaningful partnership, or treating a support person as interchangeable with a social plus-one. If someone asks for an arrangement that helps them attend, have a respectful private conversation about what is needed.
The Human Rights Commission's accessible-event guidance encourages asking about access requirements. Apply that principle without demanding personal medical explanations in a family group chat. If the request involves a companion, discuss the practical arrangements and check the venue and catering implications. Do not force a person to publicly disclose a disability to explain why an arrangement differs from another invitation. Consistency should make planning fairer, not prevent a reasonable conversation about different needs.
Source: Australian Human Rights Commission: accessible in-person events
Model the variable cost without promising a saving
Use the guest-count-impact tool to test the direct variable cost of additional guests. It multiplies the change in headcount by the per-person amount you enter. Fixed hire, minimum spends, guest categories and contractual deadlines can change the real bill. The result is arithmetic, not a prediction of what the venue must charge.
In a fictional example, increasing from 88 to 96 guests adds eight people. At an entered variable cost of $140 each, the direct difference is $1,120. If the booking has an unchanged minimum spend or requires another table arrangement, the final quote may behave differently. Ask the venue for an updated total before committing. Moneysmart's marriage-and-money guidance supports discussing shared money decisions; use your own affordable amount rather than assuming gifts or future savings will cover every additional invitation.
Source: Moneysmart: marriage and money
Address the invitation to the people you are inviting
Use names where you know them and where that suits the arrangement. If an additional guest is genuinely invited but not yet named, say so plainly and ask for their name with the reply. Avoid leaving the envelope or digital form ambiguous and then blaming the guest for interpreting it differently. A household invitation is not necessarily an invitation for every person at that address.
Here is simple original wording: 'We would love you and Morgan to join us. Please reply for both of you by 10 March.' For an invited additional guest: 'You are welcome to bring one guest. Please include their name and any meal requirements when you reply.' Replace the date with your actual deadline. Clear wording is kinder than expecting people to infer the rules from a small line, an online dropdown or the absence of a familiar name.
Say no directly without sending a bill for the friendship
If someone requests an extra invitation you cannot offer, acknowledge it and give a short answer. 'We are keeping to our confirmed guest list and cannot add another place. We would still love to celebrate with you, and we understand if that means you cannot attend.' This is a boundary, not an argument about whether the person deserves a companion.
Do not send a breakdown of how expensive the guest is or ask them to prove the value of a relationship. If your decision is about space, do not pretend it is only about money; someone may offer to pay and leave you with the same unresolved limit. You can listen to a genuine practical need without agreeing to every request. If an exception is made, communicate it privately and update the actual guest record so it does not become an untracked verbal promise.
Give solo guests a thoughtful experience
If someone attends without a companion, consider who they will know and how they will join the day. Seat them with people who can welcome them rather than automatically grouping every unpartnered person together. Explain transport arrangements and any unhosted gap so they can plan independently. A warm introduction before the wedding can help more than a public effort to find them a date.
Do not assume a guest travelling alone wants a shared room or a lift with a stranger. Offer information and let them choose. Keep contact-sharing voluntary: ask both people before passing on phone numbers or adding them to a group. The OAIC's privacy tips are a useful reminder to think about how personal information will be used. Your wedding coordination does not need a public spreadsheet of relationship status, travel details and private explanations for every invitation.
Handle a new relationship or a cancelled companion cleanly
Decide how you will respond if circumstances change between the invitation and the wedding. A named partner declining does not automatically mean the place can be transferred to anyone else unless you agree. Equally, if you offered a genuine additional guest, ask for the final name by the relevant deadline rather than treating a reasonable substitution as a surprise breach.
Check any venue or catering implications before confirming a change. Update the guest name, meal choice, table and transport list together. Remove the previous person's details from the supplier version if they are no longer attending. If the new guest has an allergy or access request, send it through the agreed process and obtain confirmation. A seat appearing empty on your chart is not proof that the menu, service and contract can accommodate any replacement without notice.
Keep relatives from making invitations on your behalf
Tell parents and other helpers whether they can suggest guests or actually invite them. Those are different permissions. Give one person responsibility for the accepted list so a conversation at a family gathering does not become an accidental booking. If someone has already promised a place, address it promptly and privately rather than hoping the guest never follows up.
You can say, 'Please check with us before offering any additional invitations; we are managing the list against our confirmed arrangements.' Avoid giving different relatives different guest totals without a shared plan. If family contributions are involved, discuss expectations before spending the money. A contribution to the wedding does not itself create a clear invitation policy. Write down the arrangement you all understand, including who makes the final decision and which commitments have already been made.
Finish with one accepted list and a reply process
Put the invited people into SomethingPretty's guest list and keep unanswered replies separate from declines. Use the invitation-household calculator for stationery quantities and the RSVP tool for reply progress. Neither predicts who will attend or sends invitations for you. Set a personal follow-up date before your supplier deadline so you can resolve unclear replies without rushing.
Review the list together once more before you send the final supplier numbers. Check that every verbal exception is recorded and that names, meals and table assignments agree. Export only the details each supplier needs and make a secure backup. A clear process cannot prevent every disappointed reaction, but it can stop ordinary ambiguity from becoming a conflict. Once the invitations are accurate and your answers are kind and consistent, you do not need to keep defending the entire guest-list philosophy.
FAQ: Do all single guests need a plus-one?
There is no universal invitation rule. Consider your limits, the guest's circumstances and any access arrangement separately from assumptions about relationship status. Be clear about who is invited and accept that a guest may decline if the arrangement does not work for them.
FAQ: How do we say the invitation is for one person?
Address it to that person and use a clear reply process. If asked, say that you are working to your confirmed guest list and cannot add another place. You do not need to include private reasons about other guests or compare relationships.
FAQ: Can someone bring a replacement when their partner cannot attend?
Ask them to check with you. Your answer may depend on how the invitation was offered and the supplier deadline. Confirm the new name, meal and seating information rather than assuming a spare chair makes every substitution straightforward.
FAQ: Should we publish our plus-one policy on a wedding page?
A brief general explanation can help if you want one, but avoid publishing individual exceptions or relationship details. Invitations should still identify who is included. Provide a private contact for questions rather than making guests negotiate in a public comment thread.
Bring the details into your plan.
Use confirmed figures, keep unknowns visible and record the dates agreed with your providers.
Sources and editorial notes
Sources checked 25 October 2026. Worked examples are fictional illustrations. Rules and provider terms can change; check the official source for your circumstances.
- Australian Human Rights Commission: accessible in-person events ↗
- Moneysmart: marriage and money ↗
- OAIC: tips to protect your privacy ↗
General information, not an individual legal, financial or contract assessment. AI-assisted drafting with source checks; independent professional review has not been completed. About our guides · Suggest a correction