Other improvement commissioners in Dublin in the same era were the Pipe Water Committee for drinking water, the Paving Board for footpaths, public lighting and sewerage, and the Ballast Board for Dublin Port.

Over the following decades, the commission reshaped the old medieval city of Dublin, and created a network of main thoroughfares by wholesale demolition or widening of old streets or the creation of entirely new ones.

The widening of Dame Street, between Cork Hill and College Green was the second great initiative of the commission.

[citation needed] Westmoreland Street (90 feet wide), and D'Olier Street (90 feet wide and designed by Henry Aaron Baker)[5] and part of Burgh Quay (1806) including the new Corn Exchange, formed part of the work of the commission.

3. c. 22 (I)) of 1774, and were charged with the duty of "improving the streets by paving the roadway, altering the levels, and removing encroachments".