On my Amex Platinum this morning. Useful if you are using Heathrow express.
Spend £50 or more, get £10 back
Save to Card to get £10 for every £50 of online spend at Heathrow Express by 11 December 2016. Terms and payment restrictions apply.
•Offer available when booking a journey at http://www.heathrowexpress.com/americanexpress
•Offer is not valid on purchases made at the station or on board a train.
•£10 statement credit is award every time.
•Offer only applies to spend made in Great British Pound (GBP) on the Card to which the offer is saved, including an American Express Card loaded into a mobile payment wallet.
•Offer does not apply to spend on other Cards you might hold and is not valid for transactions made using Payment Aggregators including, but not limited to, PayPal.
•An awarded credit may be reversed if qualifying transaction is refunded or cancelled.
•Credit should appear on your billing statement within 5 days from qualifying spend but may take up to 90 days from 11 December 2016.
•For full offer terms and more details about statement credits click here. By saving the offer to your Card, you agree to the offer terms.
Direct link for Amex Connect as well for non Amex issued cardshttps://network.americanexpress.com/connect/uk/en/doe_offer_detail.html?offer=GCOR_1806