The organ was originally built in 1948 and is the 3 rank 'Miniatura' model.

In around 1995 the organ was overhauled by David Miller of Cambridge. This included installing solid-state action, a large scale Diapason rank, unenclosed and playable on the great and a few tonal alterations.

The specification reads:

PEDAL
Sub Bass 16'
Diapason 8'
Flute 8'
Fifteenth 4' *
Great to Pedal
Swell to Pedal

GREAT
Tenordon 16'
Open Diapason 8' *
Gemshorn 8'
Hohl Flute 8'
Principal 4' *
Gemshorn 4'
Octave Quint 2.2/3'
Fifteenth 2' *
Swell to Great

SWELL
Diapason 8'
Gemshorn 8'
Hohl Flute 8'
Octave 4'
Flute 4'
Nazard 2.2/3'
Flautina 2'
Octave
Tremulant (affects whole organ)

ACCESSORIES
3 double touch thumb pistons to Great and Pedal
3 double touch thumb pistons to Swell and Pedal
1 canceller thumb piston - Great to Pedal
1 canceller thumb piston - Swell to Pedal
1 general cancel thumb piston
1 balanced expression pedal - organ
1 balanced expression pedal - crescendo
Double touch canceller to each department
Voltmeter

* denotes new unenclosed Diapason rank