
LED Lighting Retrofits.
Lower Bills. Better Light.
Less Maintenance.
LED lighting retrofits.
Lower bills.
Better light.
Less maintenance.
Commercial LED upgrades across Essex and Greater London. Survey, supply, and installation. Typical energy savings of 50 to 70 percent.
What Wren Covers
What a Retrofit Involves.
Survey, supply, installation, and measurement — handled as one coordinated project.
What Wren Covers
What a Retrofit Involves.
Survey, supply, installation, and measurement — handled as one coordinated project.
Site survey and lighting assessment
Photometric design where required
Supply of commercial-grade LED luminaires
Site survey and lighting assessment
Site survey and lighting assessment
Removal and responsible disposal of existing fluorescent fittings
Installation and commissioning by a qualified electrician
Post-installation lux level measurement
Energy savings. 50 to 70% reduction; projected saving and payback figure from the site survey.
Maintenance savings. Fluorescent lamps need regular replacement and specialist disposal; LED eliminates that cycle.
Maintenance savings. Fluorescent lamps need regular replacement and specialist disposal; LED eliminates that cycle.
Energy savings. 50 to 70% reduction; projected saving and payback figure from the site survey.
Installation and commissioning by a qualified electrician
Installation and commissioning by a qualified electrician
Removal and responsible disposal of existing fluorescent fittings
Photometric design where required
How Do You Save $
The Numbers
That Make the Case.
Lower energy costs, less maintenance, and a payback period that typically falls within three years.

The Energy Savings
A typical commercial fluorescent installation replaced with LED saves between 50 and 70 percent on lighting energy costs. For a large industrial or warehouse facility, that can mean tens of thousands of pounds annually.

The Maintenance Savings
Fluorescent tubes require regular replacement and disposal. Commercial LED luminaires have a rated lifespan of 50,000 hours or more — years of operation with no lamp replacements required.

Landlord and Property Portfolios
LED upgrades across a portfolio reduce maintenance callouts, lower energy costs for tenants, and improve light quality throughout. We manage multi-site retrofits efficiently.
FAQs
Got Questions?
We’re here to make Wren Electrical easy to understand.
Still got questions?
How much can LED lighting save a business?
Typically 50–70 percent on lighting energy costs.
How long do commercial LED lights last?
How long does an LED retrofit take?
Do I need to close during an LED upgrade?
Can LED lighting be installed in any commercial building?
How much can LED lighting save a business?
Typically 50–70 percent on lighting energy costs.
