How long do I have to register a birth in the UK?

You must register your baby's birth within 42 days (six weeks). It's usually done at a register office in the district where the baby was born, and most ask you to book an appointment in advance. Rules and details vary slightly across the UK, so check your local council's website — but don't leave it to the last minute, as appointments can fill up.

Who can register the birth?

If you're married or in a civil partnership, either parent can register and include both names. If you're not, the mother can register alone, but to include the father's details he usually needs to attend with her (or complete a specific form). The register office staff will tell you exactly what applies to your situation.

What do I get when I register the birth?

Your baby is entered in the register, and you can get a birth certificate. There's usually a free short certificate and a full certificate for a small fee — it's worth getting the full one, as you'll need it for things like a passport and some benefits. Keep it somewhere safe with your baby's other documents.

Registering your baby's birth: how and when (UK)

Most of the first weeks have no paperwork attached — but registering your baby’s birth is one of the few jobs with a real deadline. It’s quick and straightforward once you know the steps, and getting it done early means one less thing hanging over the foggiest weeks. Here’s how and when to register a birth in the UK. (Rules vary slightly across the UK, so always check your own council’s website.)

When to do it

You must register the birth within 42 days — six weeks — of your baby being born. It’s worth booking in earlier rather than later: appointments can fill up, and the certificate is needed before you can do other things, like applying for a passport or some benefits.

Where to go

Births are registered at a register office, usually in the district where your baby was born. Some hospitals have a registrar who can do it before you leave, but in most cases you’ll book an appointment with the local register office. Your council’s website has the details and booking.

Who can register

If you’re married or in a civil partnership, either parent can register and include both names.
If you’re not, the mother can register on her own — but to include the father’s details on the certificate, he usually needs to attend with her, or there’s a specific form to complete.

The register office staff are used to every situation and will tell you what applies to yours.

What to bring and what you get

You’ll give details like the date and place of birth and your baby’s full name, and you may be asked for ID. At the end, your baby is entered in the register and you can get a birth certificate — usually a free short version and a full version for a small fee. It’s worth getting the full certificate, since you’ll need it for a passport and various official things later. Keep it somewhere safe.

A quick checklist

Step	Detail
Deadline	Within 42 days of the birth
Where	Register office in the district of birth (book ahead)
Who	Either married parent; otherwise see above
Bring	Birth details, baby’s name, ID if asked
Get	Birth certificate (get the full one)

The short version

Register the birth within six weeks, at the register office for the district where your baby was born, after booking an appointment. Get the full birth certificate and keep it safe. It’s a small job, but a timed one — so it’s worth ticking off early, alongside the other first-weeks admin like sorting out your leave and knowing the schedule of your baby’s checks. Then it’s done, and you can get back to the rest of the first weeks.

This is general information, not legal advice. The exact process and rules vary across the UK and over time — always check your own local council’s website and GOV.UK for the current details.