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Multi-fuel burns wood + coal/peat, wood-only is cleaner and Ecodesign-compliant — which suits you.
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Hiring a fireplaces & stoves, without the regret.
Four moves that separate a smooth job from a nightmare.
Wrong air control
Wood needs top air vent open. Coal needs bottom (grate) air. Multi-fuel users must understand both.
Tar build-up burning low-quality wood
Wet or unseasoned wood causes tar in flue. Use seasoned hardwood.
Coal damaging firebox
Some wood-only stoves get damaged by coal (too hot). Don't burn coal in wood-only.
Ash management
Coal produces more ash than wood. Multi-fuel grate drops ash to pan below — empty regularly.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Multi-fuel stove supply5 kW typical
£600–£2.8k
Wood-only stove supplySlightly cheaper
£500–£2.5k
Install labour (same for both)HETAS engineer
£500–£1.2k
Chimney flue liningSame requirement
£500–£1.2k
HearthSame requirement
£200–£800
Smokeless coal per tonAnthracite, briquettes
£400–£700
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Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Fireplaces & Stoves explained
Multi-fuel stoves burn both wood and smokeless coal — flexible if wood supply is limited or unreliable. Wood-only stoves are simpler and slightly more efficient on wood. Expect both types to cost £1,800–£4,500 fitted in the UK.
What Does the Work Involve?
Same install process as wood-only stove. Multi-fuel stoves have an internal grate (for ashing solid fuel like coal) and air-vent control for both top and bottom (wood needs top air; coal needs bottom air). Same HETAS install, hearth, flue requirements.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Multi-fuel stove supply | 600 | 2,800 | 5 kW typical |
| Wood-only stove supply | 500 | 2,500 | Slightly cheaper |
| Install labour (same for both) | 500 | 1,200 | HETAS engineer |
| Chimney flue lining | 500 | 1,200 | Same requirement |
| Hearth | 200 | 800 | Same requirement |
| Smokeless coal per ton | 400 | 700 | Anthracite, briquettes |
| Seasoned hardwood per m³ | 140 | 250 | Kiln-dried premium |
How Long Does It Take?
Same as wood-only — 1–2 days install.
DIY or Professional?
HETAS-registered engineer only.
Choosing the Right Tradesperson
HETAS-registered. Multi-fuel certified for solid-fuel coal burning capability.
UK Regulations
Same as wood stove. Smoke control areas: DEFRA-approved smokeless fuels only. Carbon monoxide alarm mandatory.
Common Problems
- Wrong air control: Wood needs top air vent open. Coal needs bottom (grate) air. Multi-fuel users must understand both.
- Tar build-up burning low-quality wood: Wet or unseasoned wood causes tar in flue. Use seasoned hardwood.
- Coal damaging firebox: Some wood-only stoves get damaged by coal (too hot). Don't burn coal in wood-only.
- Ash management: Coal produces more ash than wood. Multi-fuel grate drops ash to pan below — empty regularly.
Frequently Asked Questions
Multi-fuel or wood-only?
Multi-fuel: flexible (wood + coal), slightly less efficient on wood. Wood-only: simpler, slightly cheaper, optimised for wood. Multi-fuel for rural areas with reliable coal supply; wood-only for typical urban homeowner.
Can I burn coal in any multi-fuel stove?
Only DEFRA-approved smokeless fuels in smoke control areas (most UK cities). Anthracite, smokeless briquettes (Excel, Homefire). House coal banned in many areas.
Wood vs coal cost?
Hardwood logs: ~£0.05 per kWh. Smokeless coal: ~£0.04 per kWh. Coal slightly cheaper per kWh but wood more sustainable.
Best DEFRA-approved fuel?
Hard anthracite (Welsh): cleanest burn, longest. Smokeless briquettes (Homefire Ovals, Excel): UK standard. Always seasoned hardwood for wood.
Efficiency comparison?
Multi-fuel: 75–80% efficient. Wood-only: 78–85%. Slight wood-only advantage but multi-fuel flexibility may be worth it.
Ash disposal?
Wood ash: garden compost (alkaline, good for soil). Coal ash: general waste only. Don't put coal ash on garden.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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