Can I drive home after buying a car if my insurance starts tomorrow?

No. You need valid insurance before driving the vehicle on a road or public place; buying the car does not create temporary cover.

In relation to “Can I drive home after buying a car if my insurance starts tomorrow?”, insurance disputes are easier to avoid when changes are disclosed before the car is used in the new way, rather than after an incident.

For “Can I drive home after buying a car if my insurance starts tomorrow?”, at a handover or test drive, establish whose policy is providing cover before the keys are handed over. “The dealer is insured” does not automatically mean every driver is insured in every circumstance.

For “Can I drive home after buying a car if my insurance starts tomorrow?”, for Northern Ireland, the key is to use the authority or contract that actually controls this issue. The sources attached to this answer include nidirect - Motor insurance explained, GOV.UK - Vehicle insurance, and GOV.UK - Uninsured vehicles. Those sources should take priority over forum posts or guidance written for a different jurisdiction, particularly where a deadline, offence, fee, finance right or policy condition is involved.

Practical next step: read the relevant line of your policy schedule and certificate, then ask the insurer a specific written question about the situation in “Can I drive home after buying a car if my insurance starts tomorrow?”. Keep the reply with the policy documents so there is a record of what was disclosed.