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LED Floodlight Installation Guide UK

Comprehensive guide to installing LED floodlights for UK gardens, driveways, and outbuildings including wiring, positioning, and Part P compliance.


Selecting an LED Floodlight for Your Property

LED floodlights from Screwfix and B&Q range from £12 for a 10W unit to £150 for 200W commercial-grade models. Popular UK brands include LAP, Philips, and Ring. A 50W LED floodlight provides roughly 4,500 lumens - enough to illuminate a standard UK garden (approx 50m2). ONS data indicates 38% of burglaries occur during darkness, and a well-lit garden can reduce risk by up to 50%.


Wiring and Mounting Best Practices

Use 1.5mm SWA cable buried 600mm deep with warning tape above. Connect via an outdoor RCD-protected fused spur. Mount the floodlight on a wall bracket at 3 - 4 metres, angled downward at 30 degrees to prevent light pollution. Ensure the IP rating is at least IP65 for UK weather. For Part P compliance, new circuits require a registered electrician or building control approval.


Specifications and Comparison

Wattage Lumens Typical Coverage Price Range IP Rating
10W 800 lm 20m2 £12 - £25 IP65
50W 4,500 lm 50m2 £25 - £60 IP65
100W 9,000 lm 100m2 £40 - £90 IP65
200W 18,000 lm 200m2 £80 - £150 IP66

FAQ

Do LED floodlights use much electricity?
No - a typical 50W LED floodlight costs about £15 per year to run for 4 hours daily, compared to £80 for an equivalent halogen unit.
Can I fit a floodlight myself?
Plug-in floodlights are DIY-friendly. Hardwired units require Part P compliance - use a registered electrician or notify building control.
What IP rating do UK outdoor floodlights need?
Minimum IP65 for wall-mounted units; IP66 or IP67 for ground-level or fully exposed locations. For more information see our PIR Security Light Installation Guide UK.

Last updated: 2026-05-31.


External Resources

For further information consult authority guidelines at the National Security Inspectorate.