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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.

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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.

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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.

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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.

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?
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Ready for Safer
and Smarter Electrical Solutions?

© Copyright 2026. All Rights Reserved.

Company Logo

Ready for Safer
and Smarter Electrical Solutions?

© Copyright 2026. All Rights Reserved.

Company Logo

Ready for Safer
and Smarter Electrical Solutions?

© Copyright 2026. All Rights Reserved.