Yes, "The house is not as cheap as he thought" is proper grammar.
... your daily household duties.
She thought it was fun to adorn the house with Halloween decorations.
we will be having an event
The intruder thought the president was going to move out of the White House.
When the kids went to the haunted house, they thought it was eerie. The kids heard an eerie noise in the ancient basement and got scared!
"He tours the house" is a grammatically proper sentence, but it would normally include an adverb of repetitious time, such as "frequently", at the end of the sentence as given. If the reference is to a single incident, it could be expressed more idiomatically in the present progressive tense as "He is touring the house."
... your daily household duties.
She thought it was fun to adorn the house with Halloween decorations.
We thought we may construct a house, changed our minds and built a bungalow
Not exactly. The correct grammar would be; "She bought a lot of furniture for the new house." It doesn't need an "s" for plural.
Chatham House Grammar School was created in 1797.
Regent House Grammar School was created in 1924.
Cambridge House Grammar School was created in 2001-09.
Cambridge House Grammar School's motto is 'Per Laborem'.
The motto of Gravesend Grammar School is 'Consule Cunctis'.
house is more than cheap than flat.
anyone who wouldn't want a cheap house