Fletcher's residential business has been for sale for some time. (Image: NZME)Fletcher Building’s residential business sale is heating up, with multiple bids landing for the development firm.The building conglomerate has several interested suitors, although BusinessDesk understands one bidder has dropped out. Names linked to the process include NZ private equity firm Altered Capital, investment firm Cerberus Capital and Auckland developer John Love.Jarden has been helping Fletcher with its asset sales process, and Altered’s managing director, McGregor Fea, is a former Jarden vice-president.