Police were called to a property at Outgate, Ambleside last night at 10:00 pm, after receiving reports that a woman had been assaulted in the property.
An investigation was launched and a man aged 48 from the Ambleside area was arrested nearby on suspicion of murder and remains in police custody.
Police are working to formally identify the woman.
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49-year-old Callum Phillips was driving at speeds of up to 73mph shortly before the collision which killed 39-year-old Ryan Baird.
Local businesses have been working overnight to move chiller units into the school to cool classrooms down for students taking GCSEs.
Lee Clayton was caught as he tried to deal class A substances to an undercover security officer at the music festival in July last year.