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Biomass Heating: Key Facts and Figures

The ‘Microgeneration consumer guide to biomass heating’ was published by the Energy Saving Trust in late October, and is full of useful information about biomass heating, and information to help you decide whether or not to make the switch.

From amongst the many facts and guides, we’ve pulled out these handy key facts and figures, all about biomass heating:

Installed costs

An individual pellet stove costs around £4,300 inc. VAT.

An automatically fed pellet boiler costs £7-13k.

Manually fed boilers may be cheaper.

Pellet costs vary depending on the amount bought. If delivered in bulk it may cost around £190 per tonne.

Running costs

Estimated at around £690 per annum.


Ash removal, sweeping the flue.

Installation time

Depends on the size and type of biomass heating installed.

CO2 emissions

Savings of between 3.1 and 7.7 tonnes per annum.

Savings and Income*

Original Heating Fuel

Annual fuel bill saving

(£/yr) by switching to

biomass boiler

Annual RHI income


Gas (mains)



Electricity (E7)









Solid (coal)



Click here to read the full guide, and if there's anything more you'd like to know, get in touch!

* The savings and RHI presented here are illustrative examples based on a 3-bed semi-detached house with loft and cavity wall insulation installed where appropriate and assume average UK fuel prices. Figures for your own property will depend on individual circumstances.