Sir Elton John and David Furnish are apparently planning a Christmas wedding later this month.

The Rocket Man and his long-term partner are expected to marry in a festive ceremony at their plush home in Windsor on December 21, reported the Daily Mirror.

A picture of Elton John and David Furnish at an event
Elton John and David Furnish will apparently marry at their home (Richard Shotwell/Invision/PA)

The couple underwent a civil partnership in 2005 on the day such ceremonies were introduced, and want to officially wed now that the partnerships can be converted into marriages.

Elton and David, who have two young children together, are apparently planning to keep their nuptials intimate, with celebrity friends such as the Beckhams and Liz Hurley expected to be on the guest list.

A picture of Victoria and David Beckham at an awards show
Victoria and David Beckham are thought to have been invited to the wedding (Grant Pollard/AP/Press Association Images)

A friend said the pair have been planning their big day for months.

“Elton is flamboyant but, for once, this will be a decidedly low-key affair,” added the insider. “Only close friends and family are invited – it’s going to be a small, intimate do.”