In 1935 J W Walker & Sons provided a new electro-pneumatic action and radiating terraced stop tab console on the south side of the choir (see plate VI). Further work was carried out by Walkers in 1959 including the replacement of the original pedal chests, which after 100 years service were no longer reliable. The Walker console was removed in 1999 when Andrew Carter installed a replacement 5 manual drawstop console built by Nicholson. The blowing plant and Great action were overhauled at this time.