Friends and supporters of a Bromley children's charity were invited to meet the Chancellor of the Exchequer at 11 Downing Street - and were treated to an unexpected visit from Prime Minister David Cameron.
The Freddie Farmer Foundation, formed in 2011, has been raising funds to set up and run a physiotherapy centre in Bromley for children with cerebral palsy and serious mobility problems.
The inspiration behind it is 10-year-old Freddie Farmer, who was born at 28 weeks with cerebral palsy, weighing just 2lb 12oz.
Freddie attended the event and presented Mr Osborne with a handwritten letter of thanks.
Freddie’s mother and charity founder Deanne Farmer said: "We were delighted to be invited and very excited for our supporters.
"We’ve been busy fundraising to set up the centre for three years now and the event marked the culmination of all that hard work.
"Everyone was incredibly friendly and welcoming and the atmosphere was fantastic."
The new Bromley centre is expected to open later this year.
Click here for more on the Freddie Farmer Foundation.