An ambitious plan to revitalise the centre of a rapidly-expanding town while bringing in hundreds of millions of pounds was viewed with scepticism. But the £30 million investment into Sittingbourne town centre is beginning to pay off with a new leisure quarter and shopping outlet seeing a rise in footfall and rates. Joe Crossley reports… Almost a decade ago plans to regenerate the heart of Sittingbourne were drawn up to make the town a “successful, welcoming destination”. Now, with a 24/7 gym due to fill the final vacant units of Bourne Place, the leisure quarter of the Spirit of Sittingbourne…