Can you buy a house with BTC? Yes! All you need is a buyer with coins and a seller that will accept them. The value of the transaction is as of the date of the contract, when the coins change hands.
Of course you can buy a house with bitcoin as long as the company will accept bitcoin. But if it will not accept bitcoin then you can convert it into fiat money so it could be easier for you. As long as you are diligent, you can earn in bitcoin and you can use it to buy your own house.
Yes, certainly we can buy a house from bitcoin even if company doesn't accept bitcoin payment but still we can convert our bitcoin into our local money to purchase all what we want, profit from bitcoin is a fruit from our endeavor and hardworking so its all deserving to buy for our self for what makes us happy and much more for the benefits of one's family.