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How Much Does a Biomass Boiler Cost in 2023?

A biomass boiler is a great option for homeowners that don't have mains gas and want a more environmentally-friendly way to heat their homes, as they use wood chips, pellets or logs as fuel.

You may be able to get a grant to cover some of the cost of a biomass boiler – but how much can you expect to spend? We'll go through biomass boiler costs in this guide.

How much does it cost to install a biomass boiler in the UK?

How much it costs to install a biomass boiler in the UK will depend on the type of boiler you choose, how much new pipework you need and where you're located. Expect to spend anywhere between £6,000-£35,000 on a new biomass boiler:

Type of biomass boiler

Average cost

Log

£6,000-£12,000

Manually-fed wood chip

£10,000-£16,000

Automatically-fed wood chip

£15,000-£25,000

Manually-fed pellet

£15,000-£25,000

Automatically-fed pellet

£20,000-£35,000

Cost to install biomass boiler

What affects the cost of installing a biomass boiler?

There are a few factors that will affect the cost of installing a biomass boiler:

The size of your home

How big your home is will affect the size of biomass boiler you need. A two-bedroom house will need a boiler with a much lower output than a 5-bedroom house.

You'll also need to consider that the bigger your boiler is, the more fuel you will need, and therefore more storage.

Type of boiler

The type of boiler you choose will also affect the cost of a biomass boiler. Log boilers tend to be the cheapest to install, while pellet boilers cost the most.

An automatically-fed boiler will also cost more than a manually-fed one, but you'll need to factor in how much you value your time as if you go for a cheaper manually-fed biomass boiler you will need to keep topping it up with fuel.

Whether you need new pipework

If you need new central heating pipework for your biomass boiler to work, this will increase the cost. For a 4-bedroom house, it could cost £2,500 to have new pipework installed.

Your location

Where you live will also affect the cost of installing a biomass boiler. Engineers in the south of England tend to charge more than those in the north, Scotland, Wales or Northern Ireland. If you live in a particularly remote area you can expect an engineer to charge you more.

HaMuch has a large database of hourly rates for heating engineers across the country, so check the tables further down the page for a more accurate idea of labour costs. It's always best to get a range of quotes to ensure you get a good price.

How to choose the best fuel for your biomass boiler

You'll need to decide which fuel is best for you before you buy a biomass boiler. Unlike mains gas, which comes straight from your pipes, you'll need to feed your boiler with fuel. That means you need to store it somewhere dry until you're ready to burn it.

There are three main types of biomass fuel: logs, wood chips and pellets.

Logs

Logs are ideal if you have access to a good supply of wood – for example if you have lots of trees on your land. They're also cheap to buy – around £100-£250 per tonne.

To reduce your carbon emissions, you should only burn dry wood. Kiln-dried wood is best. Burning logs with a high moisture content will waste energy as the boiler won't produce as much heat.

It's worth remembering that logs are bulky, so you'll need a lot of space to store them. They'll need to be kept somewhere dry. Log boilers are generally manually-fed, so you'll need to top up the boiler yourself.

Wood chips

Wood chips are a good option for biomass fuel as they are cheap to buy and can be easier to store than logs.

Again, if you have your own trees that you can fell, you could create your own wood chips. Hiring a chipper usually costs around £250 per hour.

A benefit to wood chips is that they work with automatically-fed biomass boilers, so you can store them in a feeder and not have to worry about topping up your boiler yourself. If you buy wood chips, expect to pay £180-£220 per tonne.

Wood pellets

Wood pellets are the most efficient biomass boiler fuel. They are very dense and offer a much higher heat output than wood chips or logs.

Wood pellets generally cost £250-£500 per tonne. You'll pay less if you're happy for your pellets to be tipped out loose onto your property, while the most expensive option is if they’re delivered in bags.

Like wood chips, you can have an automatically-fed wood pellet boiler to save you time.

Are biomass boilers expensive to run?

Biomass boilers aren't as expensive to run as gas or electric heating. Gas and electricity prices have increased in 2022 and 2023, making biomass a cost-effective and eco-friendly way to heat your home.

Here's a breakdown of the estimated costs per kilowatt hour (kWh) for biomass fuels compared with gas, electricity and oil:

Fuel

Cost per kWh

Logs

7p

Wood chips

5.7p

Wood pellets

12.45p

Gas

10.3p

Electricity

34p

Oil

10.3p

Remember that while running costs are lower with some biomass fuels, installation is more expensive – a new gas boiler only costs around £3,000.

Boiler upgrade scheme

You may be able to get a grant to help towards the cost of a new biomass boiler through the Boiler Upgrade Scheme. You can get £5,000 towards a biomass boiler if you:

  •   own your property and it's not a new build
  •   have installed, or plan to install your new biomass boiler on or after 1st April 2022
  •   are off the gas grid and are replacing an oil or electric boiler
  •   live in a rural location
  •   have an emissions certificate showing your boiler's polluting emissions are kept to a minimum

You need to use an MCS-registered installer to be eligible for the Boiler Upgrade Scheme. They will apply for the funding on your behalf.

Post your job on HaMuch now and we'll put you in touch with local engineers that can give you a quote for a new biomass boiler.


Estimates for common heating engineer jobs;

Job Estimate
Cost to replace a hot water immersion heater £275
Cost to fit underfloor heating £250
Cost to service a gas fire £150
Cost to replace a vented hot water cylinder £330
Cost to replace a central heating pump £95
Cost to replace a heating programmer £180
Cost to powerflush a central heating system £500 Visit
Cost to install heating oil storage tank £1250
Cost to replace an oil boiler £1330
New combi or system boiler installation – like for like replacement £500
Cost to move and relocate a boiler £830
Cheap boiler insurance £10.00 per month
Cost to install skirting board heating £990
Cost to install an LPG boiler £1190
Cost to install hydrogen boiler £1350
Cost to install a gas fire £350
Cost to install a chimney liner £575
Cost to install biomass boiler £1430
Cost to install a ground source heat pump £3750
Cheap gas £110.00 per month
Cost to fix a boiler fault error code £85
Cost to replace an unvented hot water cylinder, e.g., Megaflo £305
Cost to fit thermostatic radiator valves (TRVs) £94
Cost to fit smart heating controls £100
Cost to fit a magnetic filter for boiler £113
Cost to fit a heated towel rail £75
Cost to fit a radiator £80
Cost to install a gas cooker or hob £190
Boiler service cost £90
Boiler repair costs (e.g. pump, diverter valve or heat exchanger) £333
Cost to install an air source heat pump £556
Replacement of a vented system £580

Rates for other trades

Install biomass boiler cost in the UK
Install biomass boiler cost in the UK (excluding VAT or callout charges)
Location in UKInstall biomass boiler cost
Install biomass boiler near Aberdeen£1445
Install biomass boiler near Amber Valley£1235
Install biomass boiler near Angus£1375
Install biomass boiler near Arun£1400
Install biomass boiler near Ashfield£1220
Install biomass boiler near Aylesbury Vale£1435
Install biomass boiler near Barnsley£1205
Install biomass boiler near Basildon£1335
Install biomass boiler near Basingstoke & Deane£1425
Install biomass boiler near Bassetlaw£1250
Install biomass boiler near Bath & North East Somerset£1345
Install biomass boiler near Bedford£1455
Install biomass boiler near Belfast£1135
Install biomass boiler near Birmingham£1220
Install biomass boiler near Blackburn£1180
Install biomass boiler near Blackpool£1255
Install biomass boiler near Bolton£1260
Install biomass boiler near Bournemouth£1395
Install biomass boiler near Bracknell Forest£1485
Install biomass boiler near Bradford£1195
Install biomass boiler near Braintree£1320
Install biomass boiler near Breckland£1235
Install biomass boiler near Bridgend£1165
Install biomass boiler near Brighton£1365
Install biomass boiler near Bristol£1310
Install biomass boiler near Broadland£1345
Install biomass boiler near Broxtowe£1215
Install biomass boiler near Bury£1240
Install biomass boiler near Caerphilly£1145
Install biomass boiler near Calderdale£1165
Install biomass boiler near Cambridge£1425
Install biomass boiler near Canterbury£1285
Install biomass boiler near Cardiff£1170
Install biomass boiler near Carmarthenshire£1025
Install biomass boiler near Charnwood£1185
Install biomass boiler near Chelmsford£1320
Install biomass boiler near Cheltenham£1555
Install biomass boiler near Cherwell£1460
Install biomass boiler near Chester£1165
Install biomass boiler near Colchester£1305
Install biomass boiler near Conway£1055
Install biomass boiler near Coventry£1205
Install biomass boiler near Crewe & Nantwich£1225
Install biomass boiler near Dacorum£1445
Install biomass boiler near Derby£1180
Install biomass boiler near Doncaster£1240
Install biomass boiler near Dover£1200
Install biomass boiler near Dudley£1220
Install biomass boiler near Dumfries & Galloway£1290
Install biomass boiler near Dundee£1385
Install biomass boiler near East Ayrshire£1070
Install biomass boiler near East Devon£1250
Install biomass boiler near East Dunbartonshire£1430
Install biomass boiler near East Hampshire£1375
Install biomass boiler near East Hertfordshire£1435
Install biomass boiler near East Lindsey£1140
Install biomass boiler near East Riding£1000
Install biomass boiler near Eastleigh£1425
Install biomass boiler near Edinburgh£1365
Install biomass boiler near Elmbridge£1490
Install biomass boiler near Epping Forest£1485
Install biomass boiler near Erewash£1200
Install biomass boiler near Exeter£1295
Install biomass boiler near Falkirk£1400
Install biomass boiler near Fife£1360
Install biomass boiler near Flintshire£1165
Install biomass boiler near Gateshead£1320
Install biomass boiler near Gedling£1205
Install biomass boiler near Glasgow£1410
Install biomass boiler near Gloucester£1605
Install biomass boiler near Guildford£1515
Install biomass boiler near Gwynedd£1145
Install biomass boiler near Halton£1230
Install biomass boiler near Harrogate£1170
Install biomass boiler near Havant & Waterloo£1355
Install biomass boiler near Highland£1625
Install biomass boiler near Horsham£1385
Install biomass boiler near Huntingdonshire£1420
Install biomass boiler near Ipswich£1590
Install biomass boiler near Isle of Wight£1340
Install biomass boiler near Kings Lynn & West Norfolk£1325
Install biomass boiler near Kingston-upon-Hull£1005
Install biomass boiler near Kirklees£1180
Install biomass boiler near Knowsley£1210
Install biomass boiler near Lancaster£1350
Install biomass boiler near Leeds£1180
Install biomass boiler near Leicester£1190
Install biomass boiler near Lisburn£1130
Install biomass boiler near Liverpool£1205
Install biomass boiler near London£1475
Install biomass boiler near Luton£1465
Install biomass boiler near Macclesfield£1255
Install biomass boiler near Maidstone£1320
Install biomass boiler near Manchester£1240
Install biomass boiler near Mid Bedfordshire£1425
Install biomass boiler near Mid Sussex£1415
Install biomass boiler near Middlesbrough£1265
Install biomass boiler near Milton Keynes£1435
Install biomass boiler near Neath Port Talbot£1200
Install biomass boiler near New Forest£1380
Install biomass boiler near Newbury£1410
Install biomass boiler near Newcastle-under-Lyme£1175
Install biomass boiler near Newcastle-upon-Tyne£1325
Install biomass boiler near Newport£1175
Install biomass boiler near North Ayrshire£1160
Install biomass boiler near North East Lincolnshire£1230
Install biomass boiler near North Hertfordshire£1440
Install biomass boiler near North Lanarkshire£1415
Install biomass boiler near North Lincolnshire£1140
Install biomass boiler near North Somerset£1290
Install biomass boiler near North Tyneside£1310
Install biomass boiler near North Wiltshire£1555
Install biomass boiler near Northampton£1410
Install biomass boiler near Norwich£1315
Install biomass boiler near Nottingham£1185
Install biomass boiler near Nuneaton & Bedworth£1190
Install biomass boiler near Oldham£1245
Install biomass boiler near Oxford£1470
Install biomass boiler near Pembrokeshire£1030
Install biomass boiler near Perth & Kinross£1380
Install biomass boiler near Peterborough£1450
Install biomass boiler near Plymouth£1255
Install biomass boiler near Poole£1390
Install biomass boiler near Portsmouth£1340
Install biomass boiler near Powys£1525
Install biomass boiler near Preston£1230
Install biomass boiler near Reading£1495
Install biomass boiler near Redcar & Cleveland£1235
Install biomass boiler near Reigate & Banstead£1470
Install biomass boiler near Renfrewshire£1385
Install biomass boiler near Rhondda, Cynon, Taff£1120
Install biomass boiler near Rochdale£1245
Install biomass boiler near Rochester-upon-Medway£1425
Install biomass boiler near Rotherham£1215
Install biomass boiler near Salford£1235
Install biomass boiler near Salisbury£1295
Install biomass boiler near Sandwell£1215
Install biomass boiler near Scarborough£1345
Install biomass boiler near Scottish Borders£1925
Install biomass boiler near Sefton£1220
Install biomass boiler near Sevenoaks£1380
Install biomass boiler near Sheffield£1230
Install biomass boiler near Slough£1490
Install biomass boiler near Solihull£1220
Install biomass boiler near South Ayrshire£1170
Install biomass boiler near South Bedfordshire£1455
Install biomass boiler near South Cambridgeshire£1380
Install biomass boiler near South Gloucestershire£1330
Install biomass boiler near South Kesteven£1375
Install biomass boiler near South Lanarkshire£1355
Install biomass boiler near South Oxfordshire£1445
Install biomass boiler near South Somerset£1335
Install biomass boiler near South Tyneside£1315
Install biomass boiler near Southampton£1405
Install biomass boiler near Southend-on-Sea£1295
Install biomass boiler near St Albans£1480
Install biomass boiler near St Helens£1210
Install biomass boiler near Stafford£1225
Install biomass boiler near Stockport£1255
Install biomass boiler near Stockton-on-Tees£1270
Install biomass boiler near Stoke-on-Trent£1175
Install biomass boiler near Stratford-on-Avon£1270
Install biomass boiler near Stroud£1475
Install biomass boiler near Suffolk Coastal£1690
Install biomass boiler near Sunderland£1315
Install biomass boiler near Swale£1270
Install biomass boiler near Swansea£1175
Install biomass boiler near Tameside£1240
Install biomass boiler near Teignbridge£1275
Install biomass boiler near Tendring£1485
Install biomass boiler near Test Valley£1360
Install biomass boiler near Thamesdown£1575
Install biomass boiler near Thanet£1335
Install biomass boiler near The Wrekin£1375
Install biomass boiler near Thurrock£1350
Install biomass boiler near Torbay£1265
Install biomass boiler near Trafford£1260
Install biomass boiler near Vale of Glamorgan£1180
Install biomass boiler near Vale of White Horse£1500
Install biomass boiler near Vale Royal£1155
Install biomass boiler near Wakefield£1205
Install biomass boiler near Walsall£1215
Install biomass boiler near Warrington£1260
Install biomass boiler near Warwick£1235
Install biomass boiler near Waveney£1290
Install biomass boiler near Waverley£1465
Install biomass boiler near Wealden£1370
Install biomass boiler near West Lancashire£1220
Install biomass boiler near West Lothian£1425
Install biomass boiler near West Wiltshire£1555
Install biomass boiler near Wigan£1225
Install biomass boiler near Windsor & Maidenhead£1485
Install biomass boiler near Wirral£1195
Install biomass boiler near Wokingham£1480
Install biomass boiler near Wolverhampton£1225
Install biomass boiler near Wrexham Maelor£1355
Install biomass boiler near Wychavon£1345
Install biomass boiler near Wycombe£1515
Install biomass boiler near York£1160