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

A major fundraising initiative over five years to provide 1992-built double fairlie David Lloyd George with new piston-valve power bogies, at a cost of £200,000. This is only possible due to the fundraising by members and general donations received

A new purpose built play area was installed at Tan y Bwlch in time for Easter 2011, at a cost of £21,900, to give parents the opportunity to have a relaxing time at the cafe whilst children can play alongside with a view of the passing trains

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