A flat-pack or showroom wardrobe is manufactured to a handful of standard widths and depths, then squeezed into whatever gap you happen to have. That means a run that stops short of the skirting, a gap behind the unit where dust and coat hangers go to die, or a wardrobe that simply will not fit the space at all because the ceiling is 15mm lower than the box assumed. A fitted wardrobe starts the other way round: we survey your room first and design the carcass to the exact dimensions of the wall, so there is no wasted inch and no unfinished edge.
Around Wallingford, Cholsey and the villages either side of the Thames, the housing stock is a mix of Victorian terraces, 1930s semis and newer estate builds, and none of them have a perfectly square bedroom. Skirting boards sit proud of the wall, chimney breasts steal 300mm of depth on one side of the room, and ceilings drop under the eaves in a converted loft. A fitted wardrobe is scribed to all of that: the back panel is cut to follow the skirting, the side panel follows the chimney breast, and the top is capped to the slope rather than boxed off square and left with a triangular void collecting cobwebs.
We draw every wardrobe in CAD before we cut a single board. That drawing shows the door style, the split between hanging rails, shelving and drawers, and the exact elevation of the finished run against your wall. You get to move a drawer bank two inches to the left or swap a shelf for a second hanging rail before manufacture starts, which is the point at which changes cost nothing. Once the boards are cut and sprayed, changes cost a great deal, so the thinking happens on screen, not on site with a tape measure and a shrug.
A wardrobe carcass carries real weight once it is loaded with clothes, and it has to stay square while doing it. Get the setting out wrong at the base and the error compounds all the way to the cornice, so every door on the run shows a widening gap. That takes a proper survey, a CAD drawing checked against site measurements, and someone who has hung enough wardrobe doors to know how timber and board move once the central heating comes on in October.