Major changes at bathrooms and kitchens fixtures supplier GWA have plunged it into the red, but the company says it is now focused on making the most of an improving housing market.

The company behind the Caroma and Dorf brands made a loss of $16 million in the year to June, due to its sale of several businesses in the year, and the end of its manufacturing operations. That is down from a profit of $18.6 million in the prior year, though…