Dionne Clark's body was found at 22:22 BST at an address in Cornish Close on Saturday.
A man, 28, and a woman, 19, remain in custody. A 33-year-old woman has been released under investigation.
A 54-year-old man and a 58-year-old woman have been arrested on suspicion of perverting the course of justice.
The two held on suspicion of murder who remain in custody have also been arrested on suspicion of perverting the course of justice.
The death is currently being treated as "unexplained" after an initial post-mortem test was inconclusive.
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A spokesperson from Warwickshire Police said inquiries were under way to establish exactly what occurred and further tests were being carried out to establish a cause of death.
Three people have been arrested on suspicion of murder after the body of a 27-year-old woman was found at a house in Nuneaton.