Cornwall Housing fined £6,660 for breaching the Health and Safety at Work act.
Wedgewood Design and Build Limited plead guilty to potentially putting lives at risk.
Gloucester firm fined £15,000 after refurbished home put pensioner at risk from carbon monoxide poisoning.
North Devon Homes capped off a chimney at one of its occupied properties despite the chimney being in use.
Catastrophic damage was caused to the property when a cylinder ruptured and the stored water suddenly became steam.
Gas pipe believed to be unconnected caused gas leak