Trade supplies,
priced properly.
Solar, building materials, electrical and safety gear — supplied directly to UK trade professionals. Browse the range, tell us what you need, and we'll come back with a quote within one working day.
500+
Product lines
1 day
Quote turnaround
5★
Trade customer rated
Worldwide
Shipping available
Trade Pricing
Wholesale rates, no middleman
UK-Wide Delivery
Worldwide shipping available
Fast Quotes
Response within one working day
Expert Advice
Trade-team support
Shop by Category
Trade categories we supply
Solar & Renewable Energy
String inverters, hybrid inverters, isolators, generation meters, MCS-compliant accessories and bird protection for commercial and domestic solar installations.
Building Supplies
Loft insulation, trickle vents, sealants, adhesives and essential building materials for trade professionals.
Electrical
Isolators, meters, connectors, cable management and electrical accessories for contractors.
Best Sellers
Popular Products
Solar & Renewable EnergyFox ESS EP12 11.52kWh Battery
Fox ESS EP12 11.52kWh high-voltage battery. Pairs with Fox ESS hybrid inverters.
Solar & Renewable EnergyIMO 32A AC Isolator
IMO 32A AC isolator. BS EN 60947-3 certified, IP66, for solar grid connection.
Solar & Renewable EnergyTrina Vertex S 450W Solar Panel
Trina Vertex S 450W monocrystalline solar panel. Residential and commercial PV ready.
Solar & Renewable EnergyFox ESS S Series G2 — 3.68kW Inverter
Fox ESS S Series G2 3.68kW string inverter. High-efficiency residential PV.
Solar & Renewable EnergyGrowatt MIN 3600 TL-XH Hybrid Inverter
3.6kW Growatt hybrid inverter. Battery-ready, export limitation built in.
Building SuppliesKnauf 200mm Loft Roll 44
Knauf 200mm glass mineral wool loft insulation. Thermal conductivity 0.044 W/mK.
Trade Accounts
Trade accounts for professionals who order in bulk.
Unlock tiered pricing, 30-day payment terms, and a dedicated account manager. Approval typically within one working day.
500+
Product lines
1 day
Quote turnaround
UK-wide
Trade customers
Worldwide
Shipping available
Just In
New Arrivals
NewSolar & Renewable EnergyFox ESS S Series G2 — 3000W Inverter
Fox ESS S Series G2 3000W string inverter. IP65 outdoor rated.
NewSolar & Renewable EnergyGrowatt MIN 5000 TL-XH Hybrid Inverter
5kW Growatt hybrid inverter. Dual MPPT, battery retrofit ready.
Trusted by trade
What our customers say
“CLK have been our go-to for solar componentry for the last two years. Prices are competitive, stock is always available, and their team actually knows what they're talking about.”
James Hartwell
Site Manager, Hartwell Construction
Insights & Guides
From the CLK blog
Choosing the Right Solar Inverter: String vs Hybrid
Choosing the Right Solar Inverter: String vs Hybrid
Understand the practical differences between string and hybrid solar inverters so you can specify the right unit for every install.
Read morePart L Insulation: What Changed in 2022 and What It Means Now
Part L Insulation: What Changed in 2022 and What It Means Now
The 2022 Part L uplift changed the maths on loft insulation. Here's what trade installers actually need to know.
Read moreTrade Account vs Cash Sale: When It's Worth Setting One Up
Trade Account vs Cash Sale: When It's Worth Setting One Up
A trade account takes ten minutes to open and can pay for itself on your next order. Here's the actual maths.
Read moreStay Updated
New stock, trade pricing, and practical guides.
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