By Jennifer Sieg Bosses at Wickes hailed a “robust” year for home improvement retailer Wickes despite slippage in its ‘do it for me’ offering through the last six months of the year. Total like-for-like core sales for the DIY and garden centre firm were up 0.1 per cent, with an uptick of 1.2 per cent in the fourth quarter. The year was not favourable for DIFM sales, though, as the year presented gradual declines. With an uptick of 6.2 per cent in DIFM sales at the beginning of the year, the fourth quarter slumped 13.7 per cent, averaging out a total of -1.7 per cent at the year’s finishing lin…