Discover hundreds of thousands of ready-made routes at your fingertips with the Ordnance Survey app subscription.
Instructions to redeem the code:
1) Go to https://www.ordnancesurvey.
2) Add the standard 12-month product to your basket, and go to the checkout page
3) On the checkout page, enter the discount code above (copy and paste is safest). Click update total and it should reset the basket price to zero (assuming nothing else is in there!).
4) Complete the checkout process. It should skip the payment section, but you will need to create an account (or sign in if you already have one).