Switch to Wood Pellets: Save £1,000+ on Annual Heating Costs

Wood pellets are now competitive with mains gas for UK homeowners—and significantly cheaper than heating oil or electricity. With energy prices remaining volatile, switching to a biomass boiler could lock in lower heating costs for years. Here's your step-by-step guide.

Why Wood Pellets Make Financial Sense Right Now

At 7.2p/kWh, wood pellets sit between mains gas (6.04p/kWh) and electricity (24.5p/kWh). For many households, the difference is marginal—but the stability matters. Gas and electricity prices fluctuate with wholesale markets; wood pellet costs remain more predictable.

If you're currently on heating oil at 87.5p/litre, the savings are substantial. A typical oil-fired home uses 1,500-2,000 litres annually; switching to pellets could save £800-£1,200 per year.

What You'll Need to Install

• A biomass boiler (£6,000-£12,000 installed)
• A pellet storage hopper or silo (£2,000-£5,000)
• Chimney upgrade or flue system (£500-£2,000)
• Building regulations approval and potentially planning permission

The Boiler Upgrade Scheme offers £5,000 grants toward biomass boiler installation. This significantly reduces upfront costs and improves payback timescales.

Step-by-Step Action Plan

1. Check eligibility for government support

Visit the Boiler Upgrade Scheme website to confirm your property qualifies. Most homes do, but listed buildings and conservation areas may face restrictions.

2. Get three installer quotes

Contact MCS-certified engineers (check the Microgeneration Certification Scheme register). Ask for:

• Total installation cost
• Available grants
• Net cost after support
• Annual running costs for your home size

3. Compare against current heating costs

Calculate your annual spend on gas, oil, or electricity. A heating engineer can estimate pellet consumption based on your home's EPC rating and size.

4. Arrange pellet delivery and storage

Unlike gas or oil, pellets require dry storage. Check you have space for a hopper or external silo. Local suppliers vary; some offer annual contracts with competitive rates.

5. Plan for maintenance

Biomass boilers require annual servicing (£150-£300). Factor this into running costs when comparing to mains gas.

Compare Your Options

Before committing, compare heating oil costs, mains gas, and electricity in your area. Regional variation is significant—your actual savings depend on local supplier pricing, not just unit rates.

The Bottom Line

Wood pellets work best if you:

• Have upfront capital or access to the Boiler Upgrade Scheme grant
• Can store pellets safely and dry
• Plan to stay in your home for 10+ years
• Want to reduce reliance on volatile energy markets

For oil users especially, biomass is increasingly the smarter choice. Start by requesting three quotes this month—the grant landscape may shift, but current support makes installation more affordable than ever.