John Sinnott was credited as a chargehand carpenter on the following Doctor Who stories:
- Before the Flood
- The Eaters of Light
- Empress of Mars
- Extremis
- Face the Raven
- Hell Bent
- The Husbands of River Song
- Knock Knock
- The Lie of the Land
- The Magician's Apprentice
- Oxygen
- The Pilot
- The Pyramid at the End of the World
- The Return of Doctor Mysterio
- Smile
- Thin Ice
- Twice Upon a Time
- Under the Lake
- The Witch's Familiar
- The Zygon Invasion
- The Zygon Inversion
Before this, he was a carpenter for these: