The Building and the Ask
This apartment lobby LED strip lighting rollout covers the ground-floor lobby, mail area and shared corridor of a 42-unit residential development in Turku, Finland. The developer’s property management arm handled procurement, and the whole spec fitted on one sheet of paper — five short lines. Approx. 58 meters of 24V linear lighting went in across the three zones. The result sits inside our wider home LED strip lighting range.
What arrived from property management, verbatim: “bright but not institutional”, “one CCT only across the lobby”, “serviceable without scaffolding”, “nothing above 24V past the vestibule door”, and “match the two hotel-style buildings next door”. Every line looked simple. On site every line needed a translation.
Products Used
| Zone | SKU | Specs | Approx. Use |
|---|---|---|---|
| Lobby ceiling reveal (dotless) | ES-COB-528-10MM-24V | COB, 528 LEDs/m, 24V, 10 mm, CRI 90, IP20, 3000K | 22 m |
| Mail area shelf run | ES-COB-480-24V-8MM | COB, 480 LEDs/m, 24V, 8 mm, CRI 90, IP20, 3000K | 10 m |
| Shared corridor cove | ES-2835-240-10MM | SMD 2835, 240 LEDs/m, 24V, 10 mm, CRI 80, IP20, 3000K | 26 m |
| Control | ES-LC-DIM-004 | Inline single-colour dimmer, 12V/24V, 2A/6A | 2 units |
The 528 LEDs/m COB line earned the lobby reveal because visitors look up at the plaster reveal from the reception desk, where a dotted strip is visible from three metres. The 8 mm 480 COB was the only section that fitted the mailbox shelf cavity without cutting the joinery. The 240 LEDs/m SMD 2835 covers the corridor cove, where dots hide behind the diffuser and the cost curve matters across a 26 m run — the same approach we use on hotel corridor lighting. All three are IP20, which is correct for a dry heated lobby; 24V was chosen over 12V purely for run length, since 26 m of corridor on 12V would need injection the maintenance team would rather not own.
The Three Lines That Changed Once We Were On Site
“Bright but not institutional” meant no exposed diode dots and no cool white — not a lux target. We wrote 3000K and dotless into the deliverable instead of an illuminance figure. Measured on handover: Approx. 210 lux at the reception counter and Approx. 140 lux in the mail area, inside the range for entrance and lobby spaces under EN 12464-1.
“Serviceable without scaffolding” meant reachable from a step ladder. All drivers moved out of the reveal void into a locked utility cupboard at floor level beside the postbox recess, so a driver swap now takes under 10 minutes with a screwdriver.
“Match the two hotel-style buildings next door” was the line that mattered most. Those buildings ran 3000K with a soft reveal wash, but no CCT bin control. We ordered a single bin across all 58 meters so a photo from the pavement reads the three buildings as one line — the real intent behind Line 5, even though it was never written down.
The Line That Wasn’t in the RFP
The postal service delivers to 42 metal mailboxes in the lobby recess, and tenants read small name labels there every day. Nothing in the RFP mentioned the mailbox face, but a lobby with unreadable mailboxes generates complaints within a week. Two decisions were added during the walkthrough, before ordering. The 480 COB run above the mailbox shelf sits at Approx. 45 degrees to the metal face, so glancing light picks out label letters without throwing glare off the metal. And the mailbox run has its own dimmer, letting property management lift the mail area during the 07:00 and 18:00 delivery windows without touching the reception scene.
Every circuit past the vestibule is 24V SELV low-voltage per IEC 61140, fed from 24V constant-voltage drivers sized to each zone’s run length. That is the whole reason apartment lobby LED strip lighting survives a decade here: the strip is replaceable, the driver is reachable. Colour bin consistency was tracked against CIE 13.3 and TM-30 so all three zones share one 3000K point end to end. The joinery contractor also fitted the mailbox shelf channel before the plasterers closed the reveal, which saved a return visit — worth sequencing that way on any commercial or shared-lobby install.
Four Notes if You’re Specifying a Similar Development
- Translate every RFP line into a deliverable before quoting. “Not institutional” is not a spec; “3000K plus dotless” is.
- Put drivers in a locked cupboard at floor level, never in a ceiling void above the lobby. Apartment lobby LED strip lighting gets serviced by whoever is cheapest, not by whoever installed it.
- Bin-match the whole building at order stage, so a one-metre swap next year disappears into the run.
- Ask what people actually do in the space, not just what it is called. Mailboxes, buggy parking and deliveries each drive one small choice the RFP will miss.
Senfey supplies apartment lobby LED strip lighting as one bin-matched kit — strip, driver, dimmer, aluminium channel and pre-terminated feeder, sized to your lobby drawing. Send the reveal section and mailbox layout via the Senfey project quotation form and we will return a zone plan before quoting.
Senfey is a Chinese LED strip manufacturer based in Shenzhen, producing COB, SMD, addressable and LED Neon Flex strip alongside controllers and power supplies. Our monthly output runs to hundreds of thousands of meters for contractors, developers and designers delivering residential development lighting projects.
