Larwood won the Laughing Horse New Act of The Year competition in 2003. He was part of the comic trio We Are Klang, along with Steve Hall and Greg Davies.[3] They took their show Klangbang to the 2006 Edinburgh Fringe festival and were nominated for the Edinburgh Comedy Awards.[4][5] He performed his debut solo show, Typecast, in 2012.[6]
Larwood has appeared in the sitcom Extras and the BBC sci-fi sitcom Hyperdrive.[4] He featured as a main cast member of the first series of the CBBC show Sorry, I've Got No Head, but was absent from the second, meaning some of his characters were recast. He made a surprise return for the third series, but did not reclaim his original roles except for the 'Advice Man'. In 2007, he appeared as Giacomo Casanova and Milo of Croton in CBBC's Ed and Oucho.
Larwood appeared in the 2008 ITV2 sketch show Laura, Ben & Him, with Laura Solon and Ben Willbond.[4] He appeared in the sitcom adaptation of We Are Klang, the sketch show Rush Hour,[7] and the improv game show Fast and Loose. From 2012 to 2014, he was a member of the BBC Three hidden camera comedy show Impractical Jokers UK.
He plays pub regular Lee in Romesh Ranganathan's sitcom The Reluctant Landlord.[8]
Larwood appeared in ITV2's celebrity comedy show CelebAbility, alongside comedian Iain Stirling and Scarlett Moffat.[9]
Larwood made a cameo appearance as an amateur magician in the 2007 film Magicians.
Larwood has regularly made content on YouTube. He has both his personal channel with sketches, and The Cool Dudes Walking Club, where he chronicles walks around the UK.
He also presented a weekly podcast on classic and current films, Film Fandango, with fellow comedians David Reed and Danielle Ward. He then presented his own podcast Marek Makes a Movie.
