He has “smashed” his target this time by bringing in more than £160,000 so far from his climb of the highest peak in Africa.
The rapper says he was able to handle the altitude and physical elements of the hike, which others in his group struggled with.
But the “big mental challenge” was the biggest obstacle for him, he says.
Between the early mornings, late nights and the change of climate from rainforest conditions one minute to a blizzard the next, Aitch says it was “just all a lot”.
He confesses the group would probably have turned around if they hadn’t been doing the climb for “such a good cause”.
Down’s syndrome is when you’re born with an extra chromosome – and people with the condition are likely to have some level of learning disability.
Aitch’s fundraising efforts have been inspired by Gracie, who was also the subject of My G, a viral song he released in 2022.
He thinks it was so popular because it showed the bond between the siblings.
“People love genuine things,” he says.
“And that relationship there between me and my sister, both of my sisters, is just undeniable. Do you know what I’m saying? So I feel like that’s why people loved it.”
