Lighting controls in South Glamorgan
Lighting controls switch or dim lights automatically based on occupancy, daylight or time. We cover South Glamorgan, including Cardiff, Barry and Penarth.
Lighting controls work in South Glamorgan
Daylight dimming works best in premises around South Glamorgan with deep window bays or roof lights.
In South Glamorgan buildings, the quickest control savings usually come from presence detection in rooms that are used for only part of the day.
What's included
- Retrofit wireless controls where rewiring is impractical
- Timeclocks and photocells for external lighting
- Daylight-linked dimming along windows and under roof lights
- Presence and absence detection for rooms, aisles and toilets
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 |
|---|---|---|
| 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 |
| Commercial electrician | £290 – £485 | per day |
Example: presence and daylight sensing for 40 existing LED panels, about £680 – £1,350 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
Lighting controls FAQs for South Glamorgan
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.
Which fire safety law applies in South Glamorgan?
The Regulatory Reform (Fire Safety) Order 2005 sets the duties of the person responsible for fire safety, including emergency lighting where escape routes need it.
What is DALI?
DALI is a digital lighting control standard that lets each fitting be addressed, dimmed and grouped individually, with scenes and fault reporting.
What do sensors cost?
As a budget, a basic presence sensor costs about £40–£80 installed, a daylight sensor £60–£120, and DALI control around £50–£150 per luminaire on top of the fitting, excluding VAT.