Lauren Rhodes, Heritage Manager, Royal Victoria Chapel, said: "It was so important for us as a project team that we retained the historic fabric of the building, whilst also telling the story of the history of the site.
"We have so many visitors who come to the park who don't know that there once was the biggest military hospital in the UK on this site."
Hampshire County Councillor Sean Woodward’s grandfather was a patient here in 1924.
He believes that it is vital that the history of this site is preserved. Mr Woodward said:
"It operated over such a long period. You had the 1860s when Queen Victoria took such a great interest and then opened it, all the way through...
"So there was a very long history, a very long pedigree."
The stained glass has been painstakingly replaced and matched with the originals, the ceiling has been freshly painted, and even the original pews in the gallery have been refurbished.
The chapel is now open to the public and stands ready to tell all those who visit about Britain’s first purpose-built military hospital.