Investors can reduce or cancel their own investments if they are below €5,000 (in total) through their Crowdcube account. They can do this at any time before the cooling off period has expired.
To do this, go to the Portfolio section of your account, find the pitch you invested in and click on 'More info' at the bottom of the box. Details of your investment will then be displayed and to the right, you can click on the three dots in order to see the option to change or cancel your investment.