Help & Advice Centre

LED Strip Light Help & Advice

Buying guides, step-by-step installation how-tos, and room inspiration — written by lighting specialists with decades of experience.

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Delivery information

Free next-day over £75. £4.50 standard next day. Order before 2:30pm.

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Returns & refunds

30-day returns window. Items must be unused and in original packaging.

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Contact us

Mon–Thu 8:30am–5pm. Fri: 8:00am-4pm. Email support@lumilyled.co.uk for product or order queries.

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Buyer guide

LED strip IP ratings explained

What IP20, IP44, IP65 and IP67 mean — and which rating you need for bathrooms, kitchens and outdoor use.

5 min readRead →
Buyer guide

What LED driver do I need?

How to calculate the right driver size, the CORE range explained, and when to choose a dimmable driver.

6 min readRead →
Buyer guide

COB vs SMD LED strips

The key differences between chip-on-board and surface-mounted strips — and how to choose for your project.

4 min readRead →
Buyer guide

Aluminium LED profiles: a complete guide

Recessed, surface mount and corner profiles — types, diffusers, cutting, and installation tips.

5 min readRead →
Buyer guide

Commercial LED lighting: a complete guide

Types of commercial LED lighting, lux levels by space, control systems, and energy savings for commercial projects.

8 min readRead →
Buyer guide

What is DALI lighting?

How DALI works, how to wire it, DALI dimming explained, and whether it is right for your project.

6 min readRead →
Buyer guide

LED strip voltage explained

12V vs 24V, forward voltage, how to calculate the right power supply, and why Lumily specifies 24V as standard.

5 min readRead →
Buyer guide

LED strip lights troubleshooting guide

Flickering, not turning on, dimmer at one end, remote not working — practical fixes for the five most common problems.

7 min readRead →
How-to guide

How to install LED strip lights

Step-by-step: planning your run, cutting to length, connecting to a driver, mounting and testing.

8 min readRead →
How-to guide

How to install an LED profile

Cutting, mounting, fitting the strip, diffuser and end caps for a clean, professional finish.

6 min readRead →
How-to guide

How to install LED strips in a kitchen

Under-cabinet, ceiling cove and plinth lighting — with IP rating advice for areas near water.

7 min readRead →
How-to guide

How to install LED strips in a bathroom

Zones, IP ratings, mirror lighting, plinth lighting and shower niches — all covered.

7 min readRead →
How-to guide

How to cut and join LED strip lights

Where to cut, how to use connectors and joining clips, and the mistakes to avoid.

5 min readRead →
How-to guide

How to write a lighting specification

A step-by-step guide for designers and contractors — objectives, performance requirements, compliance, controls, and procurement.

10 min readRead →
Room inspiration

Kitchen LED lighting ideas

Under-cabinet, ceiling coves, plinth lighting and island accents — layered schemes that transform the space.

5 min readRead →
Room inspiration

Living room LED lighting ideas

Ceiling coves, TV backlighting, feature walls, slat panels and staircase lighting.

5 min readRead →