I’m a data journalist for BBC News, having previously worked for Which?.  I also paint sometimes. I can be reached on 07794 651 738, at tom.h.calver@gmail.com, or through twitter.


  • London’s moped crime hotspots revealed: check your area BBC News, May 2018. Lead story on BBC London news programme. Covered by the Standard, Mail and Telegraph
  • The 10 worst trusts for A&E waiting times revealedBBC News, April 2018
  • Maternity mistakes: lapses lead to mistakes every five birthsBBC News, December 2017
  • Can you spot a copycat website? – Which?, November 2017. Covered by the Sun.
  • Grieving relatives paying for care weeks after death – Which?, August 2017.
  • Micro-homes don’t grow in value like larger houses – Which?, August 2017. Covered by the Standard, MailOnline, Property Wire, Telegraph, Express and the BBC.
  • Revealed: the UK’s fraud hotspotsWhich?, June 2017. Covered by the BBC, Sun, Guardian, Independent, MailOnline, Telegraph, Spectator, and others.
  • Estate agents who overprice property costing sellers billions – Which?, February 2017. Covered by the Telegraph.
  • At least 200 children have been victims of “revenge porn” in nine monthsTelegraph, January 2016.
  • Hall staff “reduced to tears” and forced to wear makeup Cherwell, January 2015.


  • Chart library, featuring unpublished and published visualisations


  • Life expectancy: nine facts about how long we liveBBC News, May 2018
  • Local election 2018: the results in maps and charts BBC News, May 2018
  • Dare you bank on bitcoin? – Which?, December 2017
  • The best and worst financial brands – Which?, October 2017
  • Cashing in on current accounts – Which? Money, September 2017
  • Rare change: the 50p coins selling for £50 Which? Money, August 2017. Covered by the Sun.
  • How do ambulance chasers get your details? – Which? Money, April 2017

Selected news

  • The top savings accounts that vanish after 24 hours – Which?, July 2017
  • Mapped: the 482 banks closing in 2017Which?, April 2017.
  • The best day to put your house on the market Which?, March 2017. Covered by the Express.
  • Just one cash Isa beats inflationWhich? Money, lead news story, March 2017.
  • Providers quick to slash rates, but slow to cut mortgage rates Which? Money, lead news story, November 2017.
  • The children’s heart surgery hospitals still to meet new standards – Health Service Journal, April 2016.

Maps and tools