Nigel James parks his van outside a set of double doors and young boys in blue stream past towards the pitch.
A few days later, he would watch son Reece make a similar walk — down the Wembley tunnel for Chelsea's FA Cup final against Leicester.
Another graduate of this coaching school — 19-year-old daughter Lauren — recently became the first Manchester United women's player to score at Old Trafford.
This evening, though, these boys grace the Nou Camp, the Stade de France and Amsterdam Arena.
Four days a week, Nigel James Elite Coaching take over this five-a-side centre near Wimbledon.