Where can I use the vouchers

Vouchers can be used at most UK airports in any of the following stores:

World Duty Free
Aberdeen Airport
Belfast City Airport
Birmingham Airport
Bristol Airport
Edinburgh Airport
Exeter Airport
Gatwick North Terminal
Gatwick South Terminal
Glasgow Airport
Heathrow Terminal 1
Heathrow Terminal 3
Heathrow Terminal 4
Heathrow Terminal 5
Jersey
Liverpool
Stansted
Southampton Airport

Biza - Tax & Duty Free
Manchester T1
Manchester T2
Manchester T3
East Midlands
Newcastle

Alpha Airport Shopping
Leeds-Bradford
Humberside
Teesside

Glorious Britain
Heathrow Terminal 1
Heathrow Terminal 3
Heathrow Terminal 4
Heathrow Terminal 5
Windsor High Street

World of Whiskies
Heathrow Terminal 1
Heathrow Terminal 3
Heathrow Terminal 4
Heathrow Terminal 5
Gatwick North Terminal
Gatwick South Terminal