Literature Request: how does the house quality distribution change endogenously over time? Is there existing literature on how the distribution of housing quality changes with time? For example, literature saying "using 2000 as a baseline distribution $X$, the housing quality distribution is $1.2X$ in years when GDP is rising and $0.8X$ in years when GDP is decreasing." This is of course very naive, but hopefully it gets my point across. Perhaps housing price distribution could be used as a proxy for house quality, as there may not be data on the latter.
A paper of interest but it is mostly about trend changes in quality and not business cycle fluctuations:


  This paper employs a new national data set to estimate constant
  quality dwelling prices for four regions of the country. The data set,
  collected by the National Association of Realtors, provides sale
  prices, locations, and characteristics of 5581 dwellings sold during
  the years 1986–1992 inclusive. The paper provides the first national
  hedonic analysis based upon transaction prices of sample dwellings.
  The estimated equation implies that more than half of dwelling price
  increases during the period resulted from quality improvements in
  dwellings.


New Hedonic Estimates of Regional Constant Quality House Prices (Millsa and Simenauerb (1996))

Because housing is a long lived asset and it is somewhat unusual to significantly change the size of a house after it is built we could explore your question with the quantity and quality of new housing, assuming existing housing is largely unchanged. The US Census's New Residential Construction Survey has rich information about new housing. For example, on Characteristics of New Single-Family Houses Sold one can see many attributes of new houses including size, bedrooms, bathrooms, number sold, and much more. The Median and Average Square Feet of Floor Area in New Single-Family Houses Sold by Location table goes back annually to 1978. So you could compare it with RGDP per capita to get an idea of how this varies with wages.