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Service your wood burner.
Annual HETAS service — fire bricks, glass seal, baffle, flue and CO alarm checked.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Costs, timelines, pitfalls and the right questions to ask before any chimney sweep starts on wood Burner Annual Service.
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Cracked glass
Heat stress over years. £40-£200 replacement.
Worn door seal
Compresses every open/close. 2-3 year replacement.
Vermiculite degradation
Replace every 5-10 years.
Tar build-up
Wet/unseasoned wood. Combined with sweep.
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
Standard wood burner serviceAnnual
£80–£150
Service + chimney sweepCombined visit
£140–£280
Door seal replacementIncluding labour
£30–£80
Glass replacementHeat-resistant ceramic
£50–£250
Vermiculite liner replacementEvery 5-10 years
£80–£250
Baffle plate replacementHeat-shield top
£50–£200
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Chimney Sweep explained
Wood burner annual service combines chimney sweep with stove inspection. Maintains warranty and safety. Expect to pay £80–£250 for UK wood burner annual service.
What Does the Work Involve?
HETAS engineer or NACS sweep arrives. Chimney swept. Stove cooled, cleaned. Visual inspection: firebox, vermiculite (firebox liner), door seal, glass condition, baffle plate, air control mechanisms. Replaces consumables (seal £15-£40, glass if cracked £40-£200). Annual safety check.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Standard wood burner service | 80 | 150 | Annual |
| Service + chimney sweep | 140 | 280 | Combined visit |
| Door seal replacement | 30 | 80 | Including labour |
| Glass replacement | 50 | 250 | Heat-resistant ceramic |
| Vermiculite liner replacement | 80 | 250 | Every 5-10 years |
| Baffle plate replacement | 50 | 200 | Heat-shield top |
| Full overhaul | 250 | 700 | 10+ year old stove |
How Long Does It Take?
Service alone: 45-90 minutes. Combined sweep + service: 1.5-2 hours.
DIY or Professional?
HETAS-registered or NACS member. Self-service voids warranty.
Choosing the Right Tradesperson
HETAS + NACS combined. Manufacturer-trained for warranty.
UK Regulations
HETAS guidelines. Manufacturer warranty requires annual service.
Common Problems
- Cracked glass: Heat stress over years. £40-£200 replacement.
- Worn door seal: Compresses every open/close. 2-3 year replacement.
- Vermiculite degradation: Replace every 5-10 years.
- Tar build-up: Wet/unseasoned wood. Combined with sweep.
Frequently Asked Questions
Annual service essential?
For warranty: yes. For safety: yes. Skipping = small savings, big risk.
Combined sweep + service worth it?
Yes — same visit, lower cost. £140-£280 vs separate £80-£150 + £60-£120.
Glass cracked — replace?
Yes — heat-resistant ceramic. £40-£200 typically. Don't repair.
Why glass blackens?
Burning wet/unseasoned wood. Bad air control. Dirty chimney. Address cause.
What's vermiculite?
Mineral firebox liner. Protects metal stove from direct heat. Replace every 5-10 years.
Overhaul vs replacement?
10-15 year old stove with multiple issues: replacement often better. Overhaul for newer stoves.
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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