Keep It In The Family by John Marrs

How has such a nice family man got such a dark, twisty brain? His nightmares must be something else - which is why he is able to see into our souls and bring out something to really creep us out! Well done John Marrs, another triumph!

Mia and Finn are living with Finn's parents but are desperate for a home of their own. When Finn's parents find a derelict house that they want to do up and flip on, Mia and Finn decide that they should buy the house and do it up for them to live in. This unlocks a chain of events that there is no coming back from.

Told in various voices, on different timelines, this story carries you along throwing boulders in your way every so often upsetting what you thought you knew and taking you along a different track completely. A dark, disturbing, twisty novel that will haunt you for a long time.

https://www.goodreads.com/review/show/4785170724