He joined Bridgwater & Albion after being convinced by his university coach ex-England tighthead Darren Crompton who was also coaching down there. At the time he was playing as a back-rower but he was told his height would prevent him from reaching the highest level of the game and that a move to the front row was the only way to fulfil his aspirations.[6][7]
Joining London Irish during the 2016-17 season he went on to win promotion with the Sunbury-on-Thames side to the Premiership. During the 2020-21 season, Chawatama reached the 50-appearance milestone for London Irish as he enjoyed a stellar season in the green jersey, making 18 appearances in all competitions.[9]
In 2023 London Irish was suspended from the Premiership and Premiership Rugby Cup after failing to prove they have the finances to operate in the 2023/24 campaign.
Harlequins
Chawatama joined Harlequins before the 2023/24 season after being out of contract from London Irish.[10]
Bristol Bears
On 3 April 2024, Chawatama would sign for Premiership rivals Bristol Bears from the 2024-25 season.[11]