Eligibility Criteria: The promotion is open to members of Priority who are UK residents age 18+. Offer Start and End Dates: Offer is valid from 16/04/18 – 12/05/18, while stocks last. Redemption Instructions: To redeem, tap 'Use it now' and follow the link to redeem your tickets. Offer Goods/Services: This offer entitles you to receive a standard pair of single day tickets to Grand Designs Live (RRP £12 - £17 in advance and £15 - £20 on the door). Availability: There are 1000 pairs available. These terms and claim instructions incorporate and apply in addition to the Priority App Terms and Conditions, which can be found under Settings in your Priority App. O2’s decision as to offer allocation is final and no correspondence will be entered into. Applications not complying with these terms and conditions will be invalid. If any provision of these terms and conditions is held invalid by any law, rule, order or regulation of any government, or by the final determination of any court of competent jurisdiction, such invalidity shall not affect the enforceability of any other provisions not held to be invalid. O2 reserves the right to suspend, cancel or amend this promotion and/or review and revise these terms and conditions at any time without giving prior notice and by continuing to take part in the promotion subsequent to any revision of these terms and conditions, participants shall be deemed to have agreed to any such new or amended terms. This offer is governed by English Law and is subject to the exclusive jurisdiction of the English courts. This Offer is administered by Telefónica UK Limited (O2) and promoted by the Promoter. For any concerns about the operation of the Offer, please contact Grand Designs Live. If you no longer wish to receive notifications from Priority, you can turn this feature off in your device settings.