Commercial lighting design in South Glamorgan
Commercial lighting design means calculating and specifying luminaires, positions and controls so a space gets the right light for its tasks, meets standards such as BS EN 12464-1 and energy rules such as Part L, and is comfortable to work in. We cover South Glamorgan, including Cardiff, Barry and Penarth.
Commercial lighting design work in South Glamorgan
For South Glamorgan projects with new layouts or tall spaces we model the lighting first, so the fittings ordered actually hit the target lux.
A calculated design gives South Glamorgan building control or landlords the efficacy evidence they ask for.
What's included
- Control strategy and zoning
- Emergency lighting design to BS 5266-1
- Part L or national efficacy evidence
- Fitting selection balancing cost, efficacy and glare
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 |
|---|---|---|
| Commercial electrician | £290 – £485 | per day |
| LED panel (600×600) | £50 – £145 | per fitting, supplied and fitted |
| DALI dimming and control | £50 – £145 | per luminaire, on top of the fitting |
| LED high bay | £145 – £390 | per fitting, supplied and fitted |
Example: three days of design and calculation work, about £875 – £1,450 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.
Towns we cover in South Glamorgan
Commercial lighting design FAQs for South Glamorgan
How are prices set in South Glamorgan?
Our guide prices are adjusted for regional labour costs. After a survey you get a fixed price for the agreed scope.
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.
Do I need a lighting design for an LED upgrade?
For a like-for-like swap in a simple office, a survey is often enough. For new layouts, warehouses, sports areas or where light levels are disputed, a calculated design avoids getting it wrong.
Can you design and install?
Yes. Most clients ask us to design and install so one team is responsible for the result.
Related services in South Glamorgan
- Lighting surveys and lux testing
- Fit-out and new-build lighting
- Lighting controls
- Emergency lighting installation