Renovators who bought a Christchurch quake-damaged villa for $715,000 six months ago got just over $1.3 million for it at auction. The three-bedroom, two-bathroom home on Corson Ave, Beckenham, benefited from a complete overhaul. Within two weeks of hitting the market, the renovated property attracted 78 viewings and a pre-auction offer of $1.1m,  OneRoof  reported. Four people registered for the auction but only two put their hands up in the room. The buyer who made the pre-auction offer got the keys in the end after 21 heated bids. The hammer came down at $1.305m – $205,000 more than the reserve and $375,000 above RV. Ray White listing agent Rebecca Toone told  OneRoof  it was a “hard-fought auction”. Heathcote Building and Design Ltd bought the villa in a run-down condition in November and repaired and renovated it. “They’ve definitely put in a lot of money to bring it to what it is now,” she told  OneRoof.…