Heathrow Rewards are offering double points on transactions in excess of £20 from 14 Nov to 31 Dec 2016.

Double points this Christmas

1. Double Points offer is valid from 14 November to 31 December 2016 inclusive.
2. Double points will be awarded on transactional value only, where individual transaction value equals £20 or higher.
3. Member status does not apply.
4. Heathrow Rewards card must be presented at time of transaction.
5. Only one offer per transaction.

What is not clear is whether it is stackable with their extra points on jewellery, watches and technology that I wrote about earlier in the month.