Commercial lighting design in County Londonderry
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 County Londonderry, including Derry~Londonderry, Coleraine and Limavady.
Commercial lighting design work in County Londonderry
For County Londonderry 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 County Londonderry building control or landlords the efficacy evidence they ask for.
What's included
- Fitting selection balancing cost, efficacy and glare
- Part L or national efficacy evidence
- Lux calculations and plots for each area
- Emergency lighting design to BS 5266-1
Guide prices in County Londonderry
Typical budgets for County Londonderry, supplied and installed, excluding VAT. Your fixed price follows a free survey.
| Item | Guide budget (ex VAT) | Basis |
|---|---|---|
| Commercial electrician | £285 – £475 | 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 – £380 | per fitting, supplied and fitted |
Example: three days of design and calculation work, about £855 – £1,450 excluding VAT.
Rules that apply in County Londonderry
Technical Booklet F2 (June 2022) and its non-domestic guidance set Northern Ireland's own lighting efficacy figures, which differ from England's, so we design to the NI figures.
Towns we cover in County Londonderry
Commercial lighting design FAQs for County Londonderry
How are prices set in County Londonderry?
Our guide prices are adjusted for regional labour costs. After a survey you get a fixed price for the agreed scope.
What energy rules apply to new lighting in County Londonderry?
Technical Booklet F2 sets the efficiency that new lighting in County Londonderry must meet. We check fittings against it at design stage and keep the evidence for building control.
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 County Londonderry
- Lighting surveys and lux testing
- Fit-out and new-build lighting
- Lighting controls
- Emergency lighting installation