Office Cabling
Raised Floor vs Floor Trunking vs Ceiling Drops (2026)

Why the cable route is a layout decision

Every desk needs power and, in most offices, a wired data point. How those cables get from the distribution board and the comms room to each desk decides how easily the layout can change, how tidy the floor looks, how much the fit-out costs and what has to come out at the end of the lease.

It is also one of the biggest lines in the budget. Our office fit-out cost guide notes that mechanical and electrical works, including electrical and data cabling, typically take 30–40% of an office fit-out. Choosing the route early, before the partitions and ceiling are fixed, keeps that number under control.

The options at a glance

Raised access floor

A raised floor turns the whole floor into a service void. Panels sit on pedestals, and power and data run underneath to floor boxes that can be placed almost anywhere. It suits offices that change layouts often, trading floors, data-heavy teams and comms rooms.

The costs are practical as well as financial. The finished floor level rises, so doors, lift landings, toilets and pantry floors need thresholds or ramps. The void under the floor also connects rooms: our folding partition guide points out that when a raised access floor runs continuously under a partition line, sound simply goes under the wall. Fire-stopping and acoustic barriers in the void need planning at partition lines.

Floor trunking and floor boxes

Floor trunking lays channels in or on the slab along the desk rows, with floor boxes where the desks sit. Cast into a screed, it leaves a flat floor with neat lidded outlets; laid on top, it needs a cover or a raised finish around it. It is durable and tidy, and it works well where the desk layout is settled.

The trade-off is flexibility. Move the desks and the floor boxes may be in the wrong place; adding a new row means new trunking. Plan spare boxes and spare capacity in each run so small changes do not mean breaking the floor.

Ceiling drops and power poles

Where the floor cannot be touched, as in many leased offices, cables come down from the ceiling void to desk clusters in poles or conduits. It is quick, it keeps the floor intact and it is easy to move at the next reshuffle. The downside is visual: in an open-plan office a forest of poles is hard to hide, so this route works best for island desk clusters rather than long rows.

Perimeter trunking and desk cable management

Small offices often manage with trunking along the walls and desks placed against them, with cable trays and spines built into the workstations. The desks themselves should carry the cables from the floor or wall outlet to the worktop so nothing trails across the floor. Reception counters are the same: our commercial cabinetry guide lists cable management from the floor box up into the working side as part of a good reception counter.

Power and data: keep them apart

Power and data cables should not share the same compartment. Most floor trunking and floor boxes have separate compartments for power and data for this reason. Our home network guide makes the same point for homes: keep data cable separated from mains cable rather than bundled alongside it. Label every outlet and patch position so the next change is simple.

Electrical work in the office, from new circuits to floor-box power outlets, must be carried out by a competent person registered with Suruhanjaya Tenaga. Our power points guide explains the rules for adding sockets.

Landlord, building and lease-end rules

• Check the building’s fit-out rules before choosing a route; coring the slab or adding a raised floor may need landlord and engineer approval.
• Agree what happens at lease end: floor trunking, raised floors and cored holes are usually part of the reinstatement scope. Our office reinstatement guide explains how make-good works.
• Coordinate with the ceiling, lighting and air-conditioning layout, which share the same ceiling void.
• Plan the comms room: ventilation or cooling, power and space for growth.

What it costs

These are indicative Klang Valley figures for 2026, quoted from the ClickBina guides named in the sources section. Route, floor area and the number of points decide the total.

Raised floors and cast-in floor trunking are priced from the floor area and layout; ClickBina does not publish a per-square-foot figure for them.

Which route for which office

• Small office, desks against walls: perimeter trunking and desk cable management.
• Leased open-plan office, floor untouchable: ceiling drops to desk clusters.
• Settled layout, new screed or owned space: floor trunking with floor boxes.
• Frequent layout changes or data-heavy teams: raised access floor.

How ClickBina can help

Cabling is decided with the partitions, ceiling and flooring, so it is easiest to get right as part of the whole fit-out, before those finishes are fixed. WhatsApp us your job details for a quote: the floor area, desk count, whether the space is leased and what the building allows. We reply within the hour, the price we agree is a flat price with no hidden charges, and a site visit is RM150, waived if you go ahead.

Sources & methodology

• ClickBina office renovation and office fit-out cost guides — data point and AV prices, and the share of M&E in a fit-out.
• ClickBina power points guide — power point prices and who may do the work.
• ClickBina folding partition, commercial cabinetry, home network and office reinstatement guides — sound paths, cable management, separation and make-good.

How we estimated prices: every RM figure on this page is quoted unchanged from the ClickBina guides named above. They are typical Klang Valley market ranges for 2026, not fixed rates.