This building paper model is a Vintage 2 Stories House with Wall, designed by Ed and Bettina Berg. The house measures 3 3/4" (9.5cm) W x 2 1/2" (6.4cm) D x 3 7/8" (98.cm) H . The wall measures a total of 6 1/4" (15.9cm) long but that includes a portion on each end which is meant to bent back allowing it to stand. It is 1 3/8" (6cm) H.
You can download the papercraft model here: Vintage 2 Stories House with Wall Free Building Paper Model Download