Drink Driving Defences – Blood or Urine Sample

If you have been accused of drink driving after having given a blood or urine sample, contact the expert motoring law solicitors for help. We are vastly experienced in this area of law and may be able to help you mount a defence against any drink drive charge you are currently facing.

Find out more about how we can help you by getting in touch today. Simply call us on 0800 804 8159 or complete our online enquiry form and we will get back to you as soon as we can.

For an idea on how what kind of penalty you could be facing, complete our drink driving penalty calculator. However, this is strictly just for guidance and is by no means a reflection of what will could be sentenced.

Drink Driving Penalty Calculator

Answer the 4 questions below to get an idea of what the penalty for your motoring offence could be.

  • Type
  • Reading
  • Convictions
  • Circumstances
  • What type of test were you given?

    • Breath
    • Blood
    • Urine
  • What was your breath reading?

    • 36-59
    • 60-89
    • 90-119
    • 120-150

    What was your blood alcohol level?

    • 81-137
    • 138-206
    • 207-275
    • 276-345

    What was your urine alcohol level?

    • 108-183
    • 184-274
    • 275-366
    • 367-481
  • Have you had any conviction for drink drive related matters in the last 10 years?

    • Yes
    • No
  • Were you stopped by the police due to the manner of your driving or after being involved in an accident?

    • Yes
    • No
  • Result

    Find out more about financial penalties

    Find out more about community penalties and custodial sentences

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About Drink Driving Alcohol Limits

In the UK, the current prescribed alcohol limit while driving is 80mg of alcohol in 100ml of blood or 107mg of alcohol in 100ml of urine. Blood or urine samples are usually provided if:

  • Both of the breath readings obtained exceeded the legal limit but one or both of the readings was less than 50 micrograms of alcohol in 100ml of breath. You would then be offered the option to replace your breath specimens with either a sample of blood or urine
  • The breath testing device at the police station was unavailable, not working or produced an unreliable breath reading
  • You were taken to hospital as you were involved in an accident or experienced medical difficulties at the roadside/police station

Defences for Drink Driving Following Blood or Urine Sample

At JMW, our specialist solicitors make use of a range of defences that help to protect the interests of those accused of drink driving after having to give a blood or urine sample.

Some examples of these kinds of defences include matters relating to:

  • Police procedure - It is surprising how often officers get drink drive procedures wrong by mistakenly following incorrect procedures. Officers must offer you the option of giving a blood or urine sample if you have provided what is known as a 'borderline' breath sample, or the breath testing machine was unavailable or broken
  • Police procedure in hospital - You may have been taken to hospital as a result of an injury or injuries sustained following an accident. Many experienced officers struggle to fully understand the procedures they must legally follow when taking samples from people in hospital. This can, and often does, lead to mistakes
  • Police bail - It normally takes between six and eight weeks for the police to receive confirmation of the blood alcohol reading from the laboratory, but it has been known to sometimes take longer. If you are currently awaiting the result of your blood test, you can still get in touch with us and we can start to lay the foundations of your defence

Why Choose JMW?

With our experience and expertise, it is highly probable we will be able to identify flaws in the drink drive procedures followed by the officer who caught you. However, we do not limit the review and preparation of your case to only those issues relating to the procedure followed by the police.

We will also consider the procedures followed by the prosecution once proceedings are under way. We have had many successes based on the prosecution failing to overcome the many obstacles that blood and urine cases present. Our superior technical knowledge and ability to fully focus on your case gives us the edge over the prosecution.

We will provide the expert guidance you need, giving you the very best chance of securing a favourable outcome. 

What Our Clients Say
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Talk to Us

Find out more information about our services and how our legal advice could help you by getting in touch today. Simply call us on 0800 804 8159 or complete our online enquiry form and we will get back to you as soon as we can.

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