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Free lighting design service

Send us the drawings. We'll light them.

Our lighting design team turns architects' ceiling plans and floor plans into a complete, calculated scheme with diVa luminaires, general and emergency, ready to drop into your specification. Free of charge, with an industry-leading turnaround.

The report

The full power of Relux.
Only what you need.

We have every Relux capability at our disposal. Each report carries what your project calls for, from a quick layout check to renders, false-colour plans and emergency, and anything else is available on request.

Example reports

Extracts from recent design reports. Project names are withheld; all figures are calculated design values from Relux.

Relux render of a timber-framed barn café, with suspended linear luminaires between the trusses over dining tables and the servery Relux 3D render · Interior
Converted barn café Timber-framed barn with LIGHT LINE 50 hung between the trusses and PLUTO LED; cylindrical illuminance calculated alongside the horizontal levels.
False-colour illuminance plot of the café floor, mostly in the 300 to 750 lux bands
False-colour illuminance · Café floor
Café floor
480lx
Cylindrical
230lx
Till counter
636lx
Power density
6.94W/m²
Calculation areaEm lxEmin lxUo
Till counter6363220.51
Café floor (0.75 m)4801610.34
Café floor, cylindrical (1.20 m)2301060.46

12 × PLUTO (PLLED/1750/830/240) and 23 × LIGHT LINE 50 (LL50/10000/2000/830/DALI) · 999.2 W over 143.88 m² (1.45 W/m²/100 lx) · MF 0.80

  • Relux render across the café tables towards the servery and seating area
  • Relux render along the length of the barn beneath the roof trusses
  • Relux render past a timber post across the dining area
Relux render of a barrel-vaulted hall seen from the gallery, with the vault lit between its ribs and desks along the gallery balustrade Relux 3D render · Interior
Galleried memorial hall Barrel-vaulted hall with a first-floor gallery, lit with 14 × LIGHT LINE 50 and 14 × VULCAN LED; the hall floor and the gallery are calculated separately.
False-colour illuminance plot of the hall ground floor, with the floor area in the 500 to 750 lux band
False-colour illuminance · Ground floor
Average
536lx
Uniformity Uo
0.73
Minimum
392lx
Power density
8.88W/m²
Calculation areaEm lxEmin lxUo
Ground floor5363920.73
First floor gallery3902100.54

14 × LIGHT LINE 50 (LL50/9000/2540, 64.2 W, 9,000 lm) and 14 × VULCAN LED (VULED/5250/840, 50 W, 5,250 lm) · 1,598.8 W over 180.00 m² · MF 0.80

  • Relux render of the hall floor looking towards the entrance doors, with the gallery and staircase along the side
  • Relux render across the gallery desks towards the far end of the vault
  • Relux render along the vault from the gallery, with suspended linear luminaires and wall-mounted fittings on each pier
Relux night render of a public transport interchange: column-lit roadways and pathways with bollards around landscaped areas Relux 3D render · Exterior
Public transport interchange Roadways, bus stands, car parks and pathways across a 20,650 m² site, with a protected bat corridor calculated in its own right.
Site plan of the interchange with calculation areas outlined and the service yard illuminance shown in false colour
False-colour illuminance · Service yard
Service yard
25.6lx
Uniformity Uo
0.33
Bat corridor
0.51lx
Power density
0.10W/m²
Calculation areaEm lxEmin lxUo
Service yard25.68.30.33
External car park19.06.40.34
Car park entrance15.54.90.32
Roadway 125.47.00.27
Roadway 218.916.20.86
Roadway 324.713.60.55
Bat corridor0.510.110.22

Includes 32 × PTEROS 40 W (4,410 lm) columns and 20 × BOUTES LED bollards · 2,028 W over 20,652.71 m² · 8 pathways calculated separately · MF 0.80

  • Relux cutaway render of an interchange stair core, showing lighting on each flight and landing over three storeys
  • Relux cutaway render of a second stair core, with wall and ceiling luminaires lighting every flight and landing
  • Relux end-on cutaway render of a stair core, with linear luminaires over the landings
Relux render of a raked auditorium from the back rows, with linear cornice lighting along the side walls under a timber ceiling Relux 3D render · Interior
Raked-seating auditorium LIGHT LINE CORNICE along the side walls with MINOS downlights over raked seating; the upper area, rising seating, lower seating and front of stage are each calculated in their own right.
False-colour illuminance plot of the auditorium, with the rising seated area in the 500 to 750 lux band
False-colour illuminance · Rising seated area
Rising seating
500lx
Uniformity Uo
0.66
Front of stage
522lx
Power density
10.28W/m²
Calculation areaEm lxEmin lxUo
Upper area5313190.60
Rising seated area5003300.66
Lower seating area5562790.50
Front of stage5223470.66

12 × LIGHT LINE CORNICE (LLCOR/9000-2500mm, 90 W, 9,000 lm) and 32 × MINOS (MI/3200/830/60, 26 W, 3,200 lm) · 1,912 W over 185.94 m² · MF 0.80

  • Relux render from the back of the auditorium looking down the raked seating to the stage
  • Relux cutaway render of the auditorium showing the raked seating, side walls and roof trusses
  • Relux false-colour 3D view of the auditorium, showing illuminance across the seating, walls and ceiling
Example diVa lighting markup: ground-floor reflected ceiling plan with luminaire symbols, legend, area schedule and building totals Example markup · luminaire key · area schedule · totals

How it works

  1. 01 Send your drawingsReflected ceiling plans or floor plans as PDF, with room uses and any target lux levels.
  2. 02 Layout and calculationLuminaires placed at true scale and verified in Relux against EN 12464-1: maintained illuminance, uniformity and UGR.
  3. 03 Emergency and exitEscape-route, open-area and exit signage positions to BS 5266-1.
  4. 04 Marked-up plans and scheduleMarked-up drawings back with a luminaire key, per-area schedule, building totals and full part codes.
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Designs are provided free of charge for the supply of diVa luminaires and remain diVa intellectual property. See our terms and conditions.