Can I drink and drive in Ireland?
No — there's no safe amount, and the limits are strict. For experienced, fully-licensed drivers the limit is 50mg of alcohol per 100ml of blood (22µg in breath). For "specified" drivers — learner-permit holders, novices (licensed two years or less), unlicensed drivers, and professional drivers (bus, lorry, taxi, work vehicles) — the limit is far lower at 20mg, meaning almost any alcohol puts them over. The lowest band for an experienced driver (50–80mg) already brings a €200 fine and a mandatory 3-month disqualification — the old penalty-points option was abolished in October 2018. A sample must be given within 3 hours of driving, and refusing to provide one is itself an offence. Being "in charge" of a vehicle while over the limit is also caught. In short: no — don't drink and drive.
📋 The rules
- Limit: 50mg/100ml blood for experienced drivers
- Just 20mg for learners, novices and professionals
- Lowest band (50–80mg): €200 + 3-month ban
- Sample must be given within 3 hours of driving
- Refusing a sample is itself an offence
🔓 Exceptions
- Fixed penalty notice only if you held a valid licence and had no similar notice in 3 years
- Random breath testing needs an authorised Garda checkpoint
- Being 'incapable of proper control' is a separate, more serious offence (4-year ban)
⚠️ Penalties & fines
The fixed-charge bands are: experienced driver 50–80mg = €200 + 3-month ban; 80–100mg = €400 + 6-month ban; "other"/specified drivers 21–80mg = €200 + 3-month ban (pay within 28 days to avoid court). Court bans rise steeply — 100–150mg is a 2-year ban (4 years on a second offence), and over 150mg is 3 years (6 on a second). The maximum penalty is a €5,000 fine and/or up to 6 months in prison, and every conviction carries a minimum 3-month disqualification; licence restoration costs €55. Beware a myth: "two pints is always fine" is false — there's no guaranteed-safe number of drinks, only your measured blood-alcohol counts, and for learners, novices and professional drivers the 20mg limit means almost any drink puts you over. The safe approach: don't drink and drive at all.
📎 Official sources
- Citizens Information — drink driving offences in Ireland →
- Citizens Information — driving offences →
- RSA — penalty points: types of offences →
❓ Frequently asked
What is the drink-driving limit in Ireland?
For experienced, fully-licensed drivers, the limit is 50 milligrams of alcohol per 100 millilitres of blood. For learner-permit holders, novice drivers licensed two years or less, unlicensed drivers and professional drivers, the limit is much lower at 20 milligrams, which means even a small amount of alcohol can put them over.
How many drinks can I have?
There's no safe or guaranteed number. How much alcohol puts you over depends on your weight, sex, metabolism, what you've eaten and the drink itself, so the only figure that matters is your actual measured blood-alcohol level. For learners, novices and professional drivers the 20mg limit means virtually any alcohol is too much.
What's the penalty for being just over the limit?
Even the lowest band for an experienced driver — 50 to 80 milligrams — carries a €200 fixed charge and a mandatory three-month disqualification. The old option of taking penalty points instead of a ban for that band was abolished in October 2018, so a ban now applies from the lowest level upwards.
Can I refuse the breath test?
No. Refusing or failing to provide a breath, blood or urine sample when lawfully required is itself a criminal offence, and is treated at least as seriously as drink-driving. A sample generally has to be provided within three hours of driving, and Gardaí can require one at an authorised checkpoint or after forming an opinion you've committed an offence.
Is it an offence to sit in the car after drinking?
It can be. Being 'in charge' of a vehicle while over the limit — for example sitting in the driver's seat with the keys — is an offence even if you don't drive. A separate, more serious charge of being incapable of proper control through an intoxicant carries a minimum four-year ban on a first offence.
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