Office lighting in South Glamorgan
Office lighting is the design and installation of luminaires that light desks, meeting rooms, circulation areas and receptions to the right level without glare. We cover South Glamorgan, including Cardiff, Barry and Penarth.
Office lighting work in South Glamorgan
We usually phase office work in South Glamorgan over evenings, one zone at a time, so nobody loses a desk while the ceiling is opened up.
Reception areas in South Glamorgan often need a warmer, layered look than the open-plan floor, with downlights or a feature pendant over the desk.
What's included
- Daylight dimming along window bays
- Presence detection in meeting rooms, toilets and stores
- LED panels, linear suspended fittings or downlights to suit your ceilings
- Out-of-hours installation so desks stay usable during the working day
Guide prices in South Glamorgan
Typical budgets for South Glamorgan, supplied and installed, excluding VAT. Your fixed price follows a free survey.
| Item | Guide budget (ex VAT) | Basis |
|---|---|---|
| LED panel (600×600) | £50 – £145 | per fitting, supplied and fitted |
| Presence (PIR) sensor | £40 – £80 | per sensor, installed |
| Daylight sensor | £60 – £115 | per sensor, installed |
| DALI dimming and control | £50 – £145 | per luminaire, on top of the fitting |
Example: 60 LED panels with presence sensing in a 600 m² open-plan office, about £3,500 – £9,900 excluding VAT.
Rules that apply in South Glamorgan
The Welsh Approved Document L Volume 2 (2022) uses 95 luminaire lumens per circuit-watt for general lighting, with alternatives such as LENI. A new Welsh edition takes effect from 4 March 2027 with a higher figure of more than 105.
In Great Britain, common T8 fluorescent tubes were caught by ecodesign rules from 1 September 2023 and the mercury exemptions for ordinary T5 and T8 lamps ended on 1 February 2024.
Office lighting by town in South Glamorgan
- Office lighting in Cardiff
- Office lighting in Barry
- Office lighting in Penarth
- Office lighting in Cowbridge
- Office lighting in Ely
- Office lighting in Llantwit Major
- Office lighting in Pentwyn
- Office lighting in Pentyrch
- Office lighting in Rhiwbina
- Office lighting in Trowbridge
Office lighting FAQs for South Glamorgan
What energy rules apply to new lighting in South Glamorgan?
The Welsh Approved Document L sets the efficiency that new lighting in South Glamorgan must meet. We check fittings against it at design stage and keep the evidence for building control.
Which towns in South Glamorgan do you cover?
All of South Glamorgan, including Cardiff, Barry and Penarth. See the towns list on this page for local pages.
Can you work outside office hours?
Yes. Most office projects are done in the evening or at weekends, a zone at a time, so staff come back to a working floor.
How many lux does an office need?
BS EN 12464-1:2021 gives 500 lux maintained on the task area for writing, reading and data processing. Surrounding areas, corridors and break-out spaces can be lower. The standard also sets limits for glare and uniformity.