Cast iron columns were used in the windows and fire escapes.

The building has a high glass and timber roof on iron columns.

Inside the church is a west gallery carried on slim iron columns.

To the west is a gallery, erected in 1714 and supported by iron columns.

The central chimney is enormous, supported by eight iron columns.

The west gallery is supported on two cast iron columns.

The extension is given further structural stability by five iron columns on the north side.

The site has its own underground power room that is supported by iron columns.

There is a west gallery, carried on thin iron columns.

Inside the church is a west gallery supported by two cast iron columns.