H Company, 1st Volunteer Battalion Essex Regiment (Kelly, 1894)
H Company, 4th Territorial Battalion Essex Regiment (Kelly, 1914)
Battery, 1st Essex Volunteer Artillery, Eastern Division, Royal Artillery (Kelly, 1894)

‘The Volunteer Drill Hall was erected by subscription at a cost of £400 for the H Company of the 1st Volunteer Battalion Essex Regiment, which has a muster roll strength of 92, and the battery of the 1st Essex Volunteer Artillery, Eastern Division, Royal Artillery, 69 strong, has a drill hall in High street, erected by Major H. Holmes, of Grey towers, at a cost of £500.’ (Kelly, 1894)

‘The Drill Hall was erected by subscription at a cost of £400 for the H Company of the 4th Territorial Battalion Essex Regiment.’ (Kelly, 1914)

This drill hall has been demolished. According to the Heritage Strategy for Hornchurch, published by the London Borough of Havering, it stood on the site of a former foundry. A supermarket car park now occupies the site.