The organ was built in 1936 for St George's Church in Sudbury, London.

Father John Allen saved the organ from being scrapped and moved it to Uckfield where it was installed by David Houlgate in 2003.

The organ has the following specification:

Sub Bass 32'
Bourdon 16'
Flute 8'
Salicional 8'
Tromba Bass 16'
Great to Pedal
Swell to Pedal

Open Diapason 8'
Hohl Flute 8
Salicional 8'
Octave 4'
Salicet 4'
Twelfth 2.2/3'
Fifteenth 2'
Swell to Great

Hohl Flute 8'
Salicional 8'
Flute 4'
Salicet 4'
Echo Cymbale III
Tromba Bass 16'
Tromba 8'
Tromba Octave 4'
Tremulant (affects whole organ)

4 double touch thumb pistons to Great and Pedal
4 double touch thumb pistons to Swell and Pedal
1 canceller thumb piston - Great to Pedal
1 canceller thumb piston - Swell to Pedal
Double touch canceller to each department
2 balanced expression pedals - organ
1 balances expression pedal - crescendo
2 ventil switches