Tools
Self-Service Lighting Compliance Checker
Check measured lux readings against BS EN 12464-1:2021 targets. Enter average and minimum lux to test illuminance and uniformity for offices, schools and warehouses.
Lux to Foot-Candle Conversion Tool
Convert lux to foot-candles and back, and turn lumens into average lux over a floor area. Free converter from UK lux testing specialists Polarity Lux.
Lighting Survey Cost Calculator
Estimate the cost of a lux survey in London and the South East. Fixed prices from £90 for spot checks, £175 offices and £320 warehouses. Confirmed before booking.
Interactive Room Lighting & Lux Calculator
Free lux calculator: work out the total lumens and number of light fittings a room needs to reach UK target lux levels for offices, classrooms and warehouses.
Required Lux Level Reference Lookup Table
Searchable table of required lux levels by room and task under BS EN 12464-1:2021, including maintained illuminance, UGR glare limits and colour rendering.
Room Lighting Calculator
Free room lighting calculator using the lumen method. Enter room size, target lux, UF and MF to find how many luminaires you need, or check an existing layout.
Lux testing across London and the South East
Polarity Lux carries out calibrated lux surveys in every London borough and across Hertfordshire, Essex, Kent, Surrey, Berkshire, Buckinghamshire, Bedfordshire, Norfolk, Suffolk and Cambridgeshire. Find your town, or book a survey for a fixed price confirmed before you commit.