退稅最好的方法並不是在大堂的退稅櫃檯處理，而是在入境管制區登記後進入的禁區內處理。這樣做可以節省大約兩小時的輪候時間。
VAT refund in London Heathrow
The best way to seek a refund is not through the VAT counters in the concourse but rather inside the restricted area after checking in with the immigration control. If you do it this way, you could save up to two hours or so of waiting time.