Sources for Halstead: St Andrew

Church Fabric Survey database

Antiquarian Horological Society

AHS Turret Clock database

Andrew Hill (of geograph.org.uk)

Exterior image of 608449 St Andrew, Halstead

Keltek Trust

Interior image of 608449 St Andrew, Halstead

Church Buildings Council

Church Bells

Church of England

A Church Near You

ICBS

Incorporated Church Building Society Archive

Edward Morton

Certificate of completion