Then the order of work for refurbishing the kitchen is as it follows:
1). Re-route electrical wiring, if necessary;
2). Re-route plumbing, including gas pipes, if necessary;
3). Complete structural work on walls, ceilings and floors;
4). Install base units then wall units;
5). Fit worktops and any infill panels;
6). Fit sink and plumbing fittings;
7). Install hob and oven;
8). Fit extractor fan;
9). Wall and floor tiling;
10). Painting and decoration of the walls.