"Existing dwellings" refers to buildings or houses that are already built and being used, rather than ones that are planned or under construction. Full definition
Created five 3D (3 dimensional) digital models of existing dwellings at residential lots for client review and made proposed alterations based on client feedback. (jobhero.com)
And the time when a sale is contracted and when it finally closes can vary from weeks to months for existing dwellings, to as long as several years for unbuilt dwellings. (business.financialpost.com)
In 2007, nine out of ten negatively geared properties in Australia were existing dwellings so the creation of rental supply comes almost entirely at the expense of displacing potential owner - occupiers. (en.wikipedia.org)