Home/Fireplaces & Stoves/Guides/Wood Burner Annual Service — UK Cost & Maintenance Guide

Service your wood burner.

Annual HETAS service — fire bricks, glass seal, baffle, flue check, CO alarm validated.

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Cracked glass

Heat stress over years cracks glass. £40–£200 replacement. Often during service.

Worn door seal

Door seal compresses with each open/close. Replace every 2–3 years.

Vermiculite firebox damage

Heat and physical damage degrades vermiculite. Replace every 5–10 years.

Tar build-up

Burning wet or unseasoned wood causes tar. Annual sweep essential.

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
Standard service (inspection only)Annual check
£80–£150
Service + chimney sweepCombined visit
£140–£280
Door seal replacementIncluding labour
£30–£80
Glass replacementHeat-resistant ceramic
£50–£250
Vermiculite firebox linerReplace every 5–10 years
£80–£250
Baffle plate replacementHeat-shield top plate
£50–£200
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Quote spread is typically ± 18% — always get 3 quotes.

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Wood Burner Annual Service — UK Cost & Maintenance Guide infographic
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Fireplaces & Stoves explained

Annual wood burner service maintains warranty, ensures safety, and identifies wear before failure. Expect to pay £80–£250 for UK wood burner annual service.

What Does the Work Involve?

HETAS engineer visits. Stove cooled. Cleaned out. Visually inspects firebox condition, vermiculite (firebox liner), door seal, glass condition, baffle plate, air control mechanisms, flue connection. Replaces consumables (door seal £15–£40, glass if cracked £40–£200). Sweeps chimney if combined service. Annual safety check.

Typical Costs

ItemLow (£)High (£)Notes
Standard service (inspection only)80150Annual check
Service + chimney sweep140280Combined visit
Door seal replacement3080Including labour
Glass replacement50250Heat-resistant ceramic
Vermiculite firebox liner80250Replace every 5–10 years
Baffle plate replacement50200Heat-shield top plate
Full overhaul (rebuild)25070010+ year old stove

How Long Does It Take?

Standard service: 45–90 minutes. Combined service + sweep: 1.5–2 hours. Full overhaul: half day.

DIY or Professional?

HETAS-registered installer. Self-service voids manufacturer warranty.

Choosing the Right Tradesperson

HETAS-registered with manufacturer accreditation. Stovax-trained, Charnwood-trained etc for those brands. Annual service contract often £100–£200/year.

UK Regulations

No specific Building Regs for servicing. HETAS recommends annual. Manufacturer warranty often requires annual service.

Common Problems

  • Cracked glass: Heat stress over years cracks glass. £40–£200 replacement. Often during service.
  • Worn door seal: Door seal compresses with each open/close. Replace every 2–3 years.
  • Vermiculite firebox damage: Heat and physical damage degrades vermiculite. Replace every 5–10 years.
  • Tar build-up: Burning wet or unseasoned wood causes tar. Annual sweep essential.

Frequently Asked Questions

Annual service essential?

For warranty: yes. For safety: yes. For efficiency: yes. Skipping annual service: small savings, big risk.

Combined sweep and service worth it?

Yes — same visit, lower cost overall. £140–£280 combined vs £80–£150 + £60–£120 separate.

Glass cracked — repair?

Replacement required (heat-resistant ceramic glass). £40–£200. Don't try to repair cracks — safety risk.

Why does my glass keep going black?

Burning wet or unseasoned wood. Bad air control. Dirty chimney. Fix the underlying cause, not just clean.

Vermiculite — what is it?

Mineral firebox liner (cream-coloured) that protects metal stove from direct heat. Vulnerable to physical damage and degradation.

When to overhaul stove?

10–15 years typical. Door seals, vermiculite, possibly baffle plate. Premium stoves last 20+ years before overhaul.

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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