Close friends are raising funds for the hospital that saved their parents' lives through life-saving surgery.
The fundraising mission has been launched by Sophie Glover and Haroon Hussain.
Sophie's mum, Mandie, suffered with a serious heart condition following complications with rheumatic fever when she was a child.
In February 2008 she was referred to Royal Brompton Hospital in London to have a tissue valve fitted.
However, her body rejected the valve and surgeon Dr Neil Moat had to react immediately by implanting a mechanical heart valve. His efforts saved Mandie's life.
Sophie, who works as a hairdresser at Square Roots Hair Salon in King Street, said: "Without the surgeon my mum wouldn’t be here.
"He made a very quick decision and it was the right decision.
"The staff at the hospital are absolutely incredible."
Sophie became closer to friend Haroon, 23, after his dad, Mozamal, had triple heart bypass surgery at the specialist heart hospital in September 2008.
The 24-year-old hairdresser from Hare Shoots in Larchfield, said: "It’s hard growing up with parents that are always ill as people don’t always understand.
"He is someone else to talk to because he has been through it."
Moor Lane resident Haroon, whose aunt and uncle both died of heart attacks, will be doing the UK’s highest bungee jump on Sunday, August 24, to raise money for the Royal Brompton and Harefield Hospitals Charity.
Colleagues from the Square Roots salon, including owner Debbie Cairns, have also been selling cakes to help Sophie raise funds for the charity.
Sophie and Haroon, who works in IT support at Baldwin Technology Company in Slough, will also be holding a fundraising event in the Nicholsons Centre in the town centre on Saturday (June 14).
Cakes will be on sale and there will be a raffle with prizes donated from various businesses around Maidenhead.
Prizes include a three-course meal and champagne at Bar Sport in King Street, beauty products worth £60 from Yves Saint Laurent and a dog grooming voucher from Paws of Perfection.
Rads Barbers in the High Street is also donating £1 for every 'like' it gets on its Facebook page.
Visit justgiving.com/HaroonandSophie to make a donation.
Top Ten Articles
The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.