Flagship Double Fairlie locomotive Merddin Emrys returned to service in 2005 after £185,012 from the Society. This included the external overhaul and repairs to the boiler and the construction of two new power bogies in Boston Lodge Works

Lilla returned to traffic in 2008 with a brand new (Boston Lodge-built) boiler, thanks to the sterling efforts of the Lilla Group raising £42,286 through the FR Society. Another £22,000 was raised to fund a chassis overhaul in 2015

A major initiative to improve the visitor experience by enhancing the first class interior of Ffestiniog Railway carriages. An appeal went out to Life members which realised over £40,000 including Gift Aid, which was used to refurbish and improve the interiors of existing First class carriages, with purpose made moquette, as well as ensuring new observation carriages 100 and 102 were fitted to the highest standards

Major investment by the Society to enable the continuing use of the slate wagon fleet, whilst also providing parts for further wagons to be restored. This has included the purchase of new wheels and axles and couplings, along with the machining required. The work has enabled 60 slate wagons to be part of the operational fleet

Over the winter of 2014-15, one of the major projects was the replacement of the bottom end pointwork and point motors, along with trackwork. This expensive project was aided by a grant of £57,000 from the Society