By the Motorised Pergola UK — Expert Reviews, Costs & Buyer Guides Team · Updated May 2026 · Independent, reader-supported

How Much Electricity Does a Motorised Pergola Use UK? Running Costs Calculated

If you're considering a motorised pergola for your garden, the upfront cost is often the first concern. But running costs matter too—especially if your pergola includes motorised louvers, integrated heating, or LED lighting. Here's what you actually need to budget for electricity, based on 2025 UK unit rates.

Motor Power Consumption: The Main Draw

The motorised mechanism is where most electricity goes. A typical motorised pergola's retractable louver or blind system uses one of two motor types:

Small DC motors (usually 24V or 12V systems) consume around 50–150W while operating. These are common in budget to mid-range models and draw power only when the louvers are moving—typically 30 seconds to 2 minutes per operation.

Larger AC motors in premium systems can reach 300–500W during operation. These handle heavier louvered panels or integrated roof systems and also run only during adjustment cycles.

A practical example: if you adjust your pergola twice daily for 1 minute each time (motor running for 2 minutes total), a 200W motor uses roughly 0.2 kWh per month on motor operation alone.

Integrated Heating: The Significant Addition

Many motorised pergolas now include integrated electric heaters. These are the real electricity consumers. A typical outdoor patio heater draws 1000–2000W.

• 1500W heater running 4 hours daily = 6 kWh per day
• 2000W heater running 3 hours daily = 6 kWh per day

Heaters run continuously while you want warmth, unlike motors that operate in short bursts. If your pergola has heating, it will dominate your electricity costs.

LED Lighting: Minimal Impact

Integrated LED strips add negligible cost. A full ceiling's worth of LEDs typically draws 20–50W and might run for 4–5 hours on a typical evening.

• 40W LEDs running 5 hours daily = 0.2 kWh per day

LED lighting is almost inconsequential compared to heating.

Real Running Cost: 2025 UK Rates

Current domestic electricity rates average 26–28p per kWh (depending on your supplier and region). Let's calculate annual costs for three realistic scenarios:

Scenario 1: Motor Only (No Heating or Lighting)

• 200W motor, 2 minutes operation daily
• Annual cost: approximately £2–4
• This is genuinely negligible.

Scenario 2: Motor + LED Lighting

• 200W motor, 2 minutes daily + 40W LEDs for 5 hours daily
• Annual cost: approximately £19–22
• Still very modest.

Scenario 3: Motor + 1500W Heater + LEDs

• 200W motor (2 min daily) + 1500W heater (4 hours daily) + 40W LEDs (5 hours daily)
• Daily consumption: roughly 6.2 kWh
• Annual cost: approximately £590–660
• Heating accounts for over 95% of this cost.

Scenario 4: Motor + 2000W Heater + LEDs (Heavy Use)

• 200W motor (2 min daily) + 2000W heater (5 hours daily) + 40W LEDs (5 hours daily)
• Daily consumption: roughly 10.3 kWh
• Annual cost: approximately £970–1100

The takeaway: electricity cost for a motorised pergola without heating is trivial—under £25 annually. If you add heating, expect £600–£1100 per year depending on usage patterns.

Cutting Your Electricity Bill

If heating costs concern you, several strategies work:

Smart scheduling. Run your heater only when you're actually using the pergola. Set a timer to prevent heating an empty garden. This alone cuts costs by 30–50%.

Use a thermostat. Many modern heaters include temperature control. Setting it to 18–20°C rather than maximum reduces runtime without obvious discomfort loss.

Combine with passive design. Position the pergola where afternoon sun naturally warms the space. This extends heating seasons and reduces heater dependency.

Upgrade to heat-efficient louvers. Some motorised systems now include thermal louvers that reflect heat downward rather than dispersing it upward. These improve heater effectiveness and lower operating hours needed.

Go for radiant over blown-air heating. Radiant heaters (which you'll find in many pergola systems) are more efficient for outdoor spaces than fan heaters because they don't waste energy heating the entire air volume above you.

What to Check Before Buying

When comparing motorised pergolas, ask suppliers:

• Motor wattage and typical runtime per operation
• Heater wattage if included (some offer switchable high/low settings)
• Whether the system has a thermostat or timer control
• Motor type—DC motors are usually more efficient than AC for residential use

You'll also want to confirm your garden has adequate outdoor power supply. Most motorised pergolas need a dedicated circuit; running one from an extension lead or shared outlet invites tripped breakers.

The Bottom Line

A motorised pergola without heating costs virtually nothing to run. If you include heating, the annual bill depends entirely on how much you use it—realistic costs range from £600 to £1100 per year at current UK rates for moderate to heavy use. Smart controls, timers, and consistent thermostat settings make the biggest difference in keeping these costs manageable.