The most recent structure was built in 1993 and commenced usage in 1994, being officially opened that year by Canada's monarch, Queen Elizabeth II.

Legislative sessions were held inside the Swan River Barracks which operated and housed the North-West Mounted Police.

[2] The NWT Government House in Battleford was the first building designed for the Northwest Territories Legislative Assembly.

The building also served as residence for the Lieutenant Governor who had to preside over Assembly sessions and the Executive council.

After the North-West Territories Legislature was moved to Ottawa in 1905, the building housed the Legislative Assembly of Saskatchewan until 1910.

[3] After the Legislative Assembly was dissolved in 1905 the government operated out of an office building on Sparks Street in Ottawa.

Elizabeth II, Queen of Canada, with her consort, Prince Philip, Duke of Edinburgh, opened the legislative building on 21 August 1994.

[6] Sited directly on the shore of Frame Lake, the structure is nestled between outcroppings of the Canadian Shield, a natural peat bog, and large stands of existing trees.

The Great Hall has floor-to-ceiling windows facing directly into the treed forecourt allowing the natural slate floor appear to merge the inside with the outside.

The stand in front of the Speaker's chair is for the parliamentary mace which, in addition to indicating the authority of the Crown, incorporates ivory walrus tusks and wood from the ill-fated ships of the 1845 Franklin expedition.

Major construction materials needed to be brought north to Yellowknife, including by ferry in the summer and ice roads in the winter.

Native plants were harvested and propagated in "The South", where growing seasons are longer, then returned to the site for restoration of the lakeshore and peat bog.