Ordnance Survey reference SJ 310686.
A combined school and chapel was opened on 12 February 1875:
"It is proposed to call the School-chapel after the name of St. Ethelwold, Bishop of Lindisfarne, an ancient Saxon saint, commemorated on the day of opening. .... The old school at Shotton, built by the liberality of Earl Spencer, had become totally unfit for the education of so large a district. It had done good work in its day, but was at the time small, damp and smoky."
[From The Hawarden Parish Magazine of March 1875]
The first service was held in the School-chapel on 18 October 1875, at 7.00 p.m.
Following the opening of Hawarden Bridge Steelworks, there was a sudden increase in population; and in 1898 the decision was made to build a new district church.
The new church, also dedicated to St. Ethelwold, was consecrated on 7 August 1902.
"The church has accommodation for six hundred persons, and is built of mottled Hollington stone, the interior carving being finely chiseled. It consists of a large nave with piers and arches dividing it from north and south aisles, a roomy porch on the north aisle, chancel with an apsidal, and also a chapel on the north side of chancel, which will be used as vestries until the tower is built."
[From The Chester Chronicle of 9 August 1902]
The tower has never been built!
The Clwyd FHS website has a photograph of the church.
See Connah's Quay and Hawarden.