Lake House is a noun clause Lake modifies House, both components should be capitalized.
Other than as a proper noun (surname), it is two words "lake house."
As per your question but capitalise = Lake Victoria
lake Eire or however you spell it.
The side of the house facing the lake.
The Lake House was released in 2006.
Lake-Peterson House was created in 1873.
The ISBN of The Lake House - novel - is 0316603287.
The Lake House - novel - was created in 2003.
The Lake House was released on 06/16/2006.
The Production Budget for The Lake House was $40,000,000.
Lake House Academy was created in 2010.
The House by the Edge of the Lake was created in 1979.