Adam Peaty won the 100 metres breaststroke at the World Championships and set a new world record over 50m
The Olympic gold medalist said the Buckingham Palace reception will be a 'massive moment to know who I'm representing'.
#OlympicNan, whose tweets to her gold medal winning grandson Adam Peaty made her an internet hit, is preparing a hero's welcome home.
A technical glitch left the British athletes at the Olympic Village in Rio in limbo as Adam Peaty closed in on the team's first gold.
Great Britain have climbed to eighth in the Rio 2016 medals table after Adam Peaty and Jazz Carlin's success in the Olympic pool.
Peaty set a new world record as he won gold in the men's 100m breaststroke before Carlin took silver in the women's 400m freestyle.
Watch the moment Mavis Williams cheered victory as she joined British sports fans across the nation in remaining #UpAtThreeForAdamPeaty.
Smashing his own world record, Peaty's win is the first gold medal for Team GB in the 2016 Games.
Britain's 100m breaststroke star Adam Peaty has set a new world record of 57.55 seconds at the Rio Olympics.
The record breaking performance trims 0.37 seconds off the previous record, which he already held.
It has pushed the 21-year-old from Uttoxeter, in Staffordshire, into the semi-final, to be held later on Saturday.
He said that he hoped his win would inspire young swimmers back home.