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Install a back-boiler stove.
Wood-burner with back boiler — provides hot water and central heating from solid fuel.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Hiring a fireplaces & stoves, without the regret.
Four moves that separate a smooth job from a nightmare.
Wrong sizing
Stove output to system load critical. Heat-loss calc essential.
Backup heating needed
When stove not lit (summer), need backup. Immersion heater or hybrid system.
Tar in flue
Boiler stoves run cooler than room stoves. More tar build-up. Sweep more often.
Slow warmup
Fire-and-water heating slower to warm up than gas. Plan timing for cold weather.
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
Boiler stove (10–15 kW total)Aarrow, Stratford, Glowtech
£1.5k–£4.5k
System pipework integrationConnect to existing heating
£800–£2.5k
Unvented cylinder upgrade if neededMegaflo
£800–£1.8k
System control (thermostat etc)Sophisticated control
£300–£800
HETAS install labourMulti-day work
£800–£2.5k
Chimney liningStainless flex
£500–£1.2k
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Video guide
Fireplaces & Stoves explained
Back boiler stoves heat radiators and hot water — whole-house heating from a wood burner. Replaces gas/oil boiler. Expect to pay £3,500–£8,500 for UK boiler stove installation.
What Does the Work Involve?
HETAS engineer surveys system. Stove integrates with existing wet central heating: flow and return pipes from stove to manifold or unvented cylinder. Stove typically larger (8–15 kW total output, mix of room and water). Smart control for thermostatic management. Backup heating (gas/electric immersion) recommended for when stove not lit. System designed by competent heating engineer.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Boiler stove (10–15 kW total) | 1,500 | 4,500 | Aarrow, Stratford, Glowtech |
| System pipework integration | 800 | 2,500 | Connect to existing heating |
| Unvented cylinder upgrade if needed | 800 | 1,800 | Megaflo |
| System control (thermostat etc) | 300 | 800 | Sophisticated control |
| HETAS install labour | 800 | 2,500 | Multi-day work |
| Chimney lining | 500 | 1,200 | Stainless flex |
| Hearth + surround | 500 | 2,500 | As any wood burner |
| Complete boiler stove install | 3,500 | 8,500 | Whole-house heating |
How Long Does It Take?
Standard install: 5–10 days. Includes wet system integration. Plus commissioning.
DIY or Professional?
HETAS-registered installer with wet system experience. Heating engineer (or Gas Safe for displaced boiler).
Choosing the Right Tradesperson
HETAS-registered with boiler stove experience. Brands: Aarrow (UK), Stratford (UK), Glowtech, Ekol. 10-year warranty on premium brands.
UK Regulations
Building Regs Part J (combustion), Part L (efficiency), Part P (electrical if controls). HETAS notification. Carbon monoxide alarm. Boiler Plus efficiency upgrade if replacing gas boiler.
Common Problems
- Wrong sizing: Stove output to system load critical. Heat-loss calc essential.
- Backup heating needed: When stove not lit (summer), need backup. Immersion heater or hybrid system.
- Tar in flue: Boiler stoves run cooler than room stoves. More tar build-up. Sweep more often.
- Slow warmup: Fire-and-water heating slower to warm up than gas. Plan timing for cold weather.
Frequently Asked Questions
Can boiler stove replace gas boiler?
Yes for off-grid properties. Combined with backup (immersion or LPG) for summer hot water and when stove off. Wood is the primary fuel.
How much wood per year?
10 kW boiler stove for typical 3-bed: 3–5 m³ hardwood per heating season. £400–£800 in fuel.
vs gas combi running cost?
Boiler stove: ~£800 fuel/year. Gas combi: ~£1,200 fuel/year (depending on tariff). Boiler stove cheaper but requires daily fire-lighting.
Will it heat all radiators?
Yes when properly sized. 10–15 kW total output sufficient for 3-bed semi. Output split: room warmth + radiators + hot water.
Summer hot water?
Electric immersion heater backup. Some homes have separate solar thermal panels for summer hot water.
Best UK boiler stove brand?
Aarrow (UK manufacturer), Stratford (UK), Ekol (German). Premium models offer 10-year warranty.
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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