How long does shelf installation take?

Almost every shelf timing you find online measures the wrong thing. It measures how long it takes to screw a bracket to a board, when the work that actually consumes the hour is finding the studs, bridging the void behind dot-and-dab, levelling across a wall that is not plumb, and clearing up the dust.

The times below are the ones we schedule against in London, taken from job sheets rather than packaging. They assume one fitter, a scan of the wall before any hole, dust extraction on the drill and a load test before we leave.

A single floating shelf up to 900mm is about 35 minutes on a friendly wall: scan, mark, level, drill, fix the concealed bracket bar, slide the board on and load-test it. On dot-and-dab or lath and plaster, add fifteen minutes for through-fixings or a slow pilot into the stud.

A set of three staggered floating shelves is around 90 minutes rather than three times 35, because the set-out is shared. Once the first datum line is struck with a laser, the other two are marked off the same reference, which is exactly why a set is cheaper per shelf than three separate visits.

A bracketed or heavy-duty run — scaffold boards, solid oak on angle irons, a laundry or plant-room shelf — is 45 to 70 minutes a run. Brackets must land on structure, so the spacing follows the studs or the brick course rather than the look, and that sometimes means moving a bracket 40mm off the drawing.

A full alcove set, two or three shelves in one chimney recess, is two to three hours. Alcoves are never square: every board is templated and scribed, and the batten frame that carries the load is fitted and levelled before a single shelf top goes down. A matching pair of alcoves either side of a breast is a half day.

Kitchen shelving runs 45 to 90 minutes depending on tiling — drilling tile needs a slow start, no hammer action and masking tape to stop the bit wandering. Garage and loft racking is usually 60 to 120 minutes, mostly spent getting a level line on a wall that has never been flat.

The substrate is first, and it is worth more than every other factor combined. A shelf on solid brick is a plug and a screw. The same shelf on dot-and-dab plasterboard needs a through-fixing that bridges a 25–40mm void into the block behind; on lath and plaster it needs a pilot hole found by feel into the timber stud, because the plaster keys around the laths and cannot be plugged.

Services are second. In kitchens, bathrooms and anywhere below a first-floor bathroom, cables and pipes run in predictable but not guaranteed zones. Every hole gets a detector pass, and where a cable is found we move the fixing rather than shorten the shelf — which costs a few minutes and saves an electrician.

Out-of-true walls are third. A Victorian party wall can bow 20mm across two metres. Levelling a shelf that sits proud of a bowed wall means packing behind the bracket bar so the board is level and the shadow gap looks even, which is fifteen unglamorous minutes that nobody sees and everybody notices when it is skipped.

Making good is fourth. If old shelving comes down first, the honest sequence is shelves off, plugs pulled, holes filled, left to shrink, filled again and sanded flush. That is a second pass and roughly 20 minutes a run — we quote it as a separate line so nobody is surprised.

A fitting visit has fixed costs: the drive, the parking or permit, the dust sheets, the laser set-up, the detector pass and the clear-up. Those happen once whether you have one shelf or nine, which is why every shelf after the first is discounted on our list.

It also raises quality. When a whole room is set out in one go, the shelf in the alcove, the picture ledge over the sofa and the run in the cupboard all read off the same datum lines, so the eye sees one considered scheme instead of three near-misses.

The estimator on every borough and area page converts your shelf list into fitting minutes and shows the slot length it needs — the same arithmetic our office uses to size the booking, so what you see is what gets scheduled.

Dust sheets and floor protection go down first, and anything below the wall is moved or covered. Shelf fitting produces fine masonry dust that travels further than people expect, which is why the drill runs on extraction and the vacuum follows the bit.

Next comes the survey: detector across the full working area, stud centres marked in pencil, substrate identified by tapping and by the first pilot hole, and the fixing chosen from that evidence rather than from what was in the shelf box.

Then the set-out. A laser line establishes the datum, heights are confirmed against what will actually stand on the shelf, and the marks are shown to you before anything is drilled — the cheapest moment to move a shelf 50mm is before the first hole.

Finally the fix, the level check, the load test and the paperwork. Boards are loaded in front of you, the safe working load is written on the job sheet, and packaging and dust leave in the van.

Shelves are usually the last trade in a room and the first thing anyone notices, so the order matters. If the wall is being painted, fit after the mist coat and before the final coat where possible, or accept a touch-up around the bracket bar afterwards.

If the shelves are being delivered the same day, book the slot behind the delivery window rather than across it. We hold same-day and evening slots for exactly this reason, and it is cheaper than a wasted visit where the boards never arrived.

For tenancy handovers and sale completions, allow a full working day of slack. Making good old fixings, waiting for filler to shrink and sanding flush cannot be compressed into the last hour before an inventory clerk arrives.

Clear the wall and a metre of floor in front of it. If the room is furnished, that single step routinely saves twenty minutes of moving other people's belongings carefully.

Have the shelves, brackets and any specific fixings on site and unboxed, and keep the instruction sheet even for a floating shelf — the bracket bar length tells us what the concealed rod diameter is, which tells us the load rating.

Know what will sit on the shelf. A picture ledge holding frames and a shelf holding a full run of hardbacks or a KitchenAid are different jobs with different fixings, and telling us the answer up front is the single most useful thing a customer can do.

In flats, sort access early: concierge sign-in, lift booking and any noise-hours restriction. Many London blocks ban drilling before 9am, after 5pm or on Sundays, and a wasted slot is the most expensive kind.