Wood Fireplace Installation & Restoration in Melbourne — A Complete Owner's Guide

Wood Fireplace Installation & Restoration in Melbourne — A Complete Owner's Guide — a Prime Plumbing & Gasfitting plain-English guide to wood fireplace installation melbourne for Melbourne homeowners. Below we cover what works, what doesn't, and when to call a licensed plumber.

Quick answer: Installing a wood fireplace in Melbourne in 2026 means choosing between a new sealed wood heater (EPA-rated, ~$3,500-$8,000 supply and install), a fireplace insert for an existing masonry fireplace ($2,500-$6,000), or a gas log heater as a cleaner-burning alternative ($3,500-$7,000 + gas line). Restoration of an older masonry fireplace runs $1,500-$8,000+ depending on condition. The hearth must extend at least 300mm in front and 200mm to each side of the firebox under AS/NZS 2918, in non-combustible materials (brick, stone, tile on cement board). The mantel needs minimum 300mm clearance above the firebox top unless it's also non-combustible. Environmental considerations: modern EPA-rated heaters emit 90% less particulate than open fireplaces; some Melbourne councils (Knox, Yarra Ranges) restrict open-fire installs in new homes. Compliance certificate required from a qualified installer for any new install — non-negotiable for insurance and resale.

The audit question. Wood fireplaces have been steadily declining in new Melbourne installs since the early 2010s, mostly for three reasons:

1. Air-quality concerns. Wood burning is the largest source of fine particulate (PM2.5) pollution in Melbourne winters — bigger than vehicles, industry, and gas heating combined. Some councils have introduced restrictions; even where there are no restrictions, the public-health argument matters.

1. Council restrictions. Knox, Yarra Ranges, and parts of the Mornington Peninsula have introduced rules limiting open fireplaces in new builds. Wood-fired heaters (sealed appliances with EPA approval) remain permitted but face stricter setback and emission standards.

1. Heat-pump alternatives are dramatically cheaper to run. A wood fireplace's heat output costs roughly the same per kWh as gas; a heat pump delivers 3-4× more heat per kWh of electricity, often pre-paid by solar PV.

That said, wood fireplaces still make genuine sense for some homes:

• Off-grid or unreliable power properties where electric heating isn't viable
• Heritage homes where an existing masonry fireplace is part of the architecture and replacing it would damage character
• Country properties where firewood is essentially free from your own land
• Dedicated supplemental heating when the primary system is electric/heat pump and the fireplace is for ambiance + occasional backup

If your reason for wanting a wood fireplace is "ambiance and the look of fire", consider a gas log heater instead. Modern gas logs reproduce the visual and radiant warmth of a wood fire without the air quality, maintenance, or wood-handling burdens. We cover gas options at the end of this guide.

1. New EPA-rated wood heater (sealed appliance)

A self-contained steel or cast-iron unit with a sealed firebox, controlled air supply, and certified emissions. Examples: Coonara, Kemlan, Pacific Energy, Regency. The dominant choice for new Melbourne installs.

Cost: $3,500-$8,000 supply and install, depending on appliance grade and flue complexity.

Pros:

• 70-80% efficient (vs 5-15% for open fireplace)
• Burns cleaner — meets AS/NZS 4013 emission limits
• Smaller wood requirement for same heat output
• Better air quality for your home and neighbours
• Permitted in most Melbourne councils

Cons:

• Visual difference vs open fireplace (sealed glass front)
• More complex flue installation
• Higher upfront cost vs simple insert

Installation includes: appliance, flue (typically twin-wall insulated stainless steel from heater to roof), hearth pad if needed, wall protection if heater sits near combustible walls, flashing at roof penetration, cap.

Time on site: typically 1-2 days for a new install. Longer if structural changes are needed.

2. Fireplace insert (existing masonry fireplace)

A steel or cast-iron firebox unit that fits inside an existing masonry fireplace, dramatically improving its efficiency. Designed to use the existing chimney with a stainless-steel flue liner inside it.

Cost: $2,500-$6,000 supply and install (assuming the existing chimney is sound).

Pros:

• Preserves the look of the existing fireplace surround
• Uses existing chimney structure (after liner inserted)
• Faster installation than a full new wood heater
• Lifts efficiency from ~10% (open) to ~70% (sealed insert)
• Cheaper than a from-scratch new install

Cons:

• Existing chimney must pass inspection — cracks, deterioration, or undersized flues are deal-breakers
• Insert sizes are constrained by the existing fireplace opening
• Older masonry may need pointing or repair before insert can be fitted

Best for: heritage homes where the existing fireplace surround is worth keeping. Common in Toorak, Malvern, Caulfield, Camberwell — areas with high concentrations of pre-1950 housing.

3. Gas log heater (cleaner-burning alternative)

A gas appliance designed to look like a wood fire — ceramic logs over a sealed gas burner. Powered by natural gas or LPG. Modern gas log heaters are visually convincing.

Cost: $3,500-$7,000 supply and install, plus a Type A Gasfitter to run the gas line ($500-$2,000 depending on distance from the meter).

Pros:

• Instant on/off via thermostat or remote
• No firewood handling, storage, or sourcing
• No creosote or chimney sweeping
• Significantly lower particulate emissions than wood
• Permitted in all Melbourne councils

Cons:

• Requires gas connection (not viable for off-grid properties)
• Gas prices have risen substantially since 2020
• Doesn't have the genuine wood-fire smell or sound (some people find this a feature, others a flaw)

Real-world example (anonymised from a recent Caulfield install): A Caulfield homeowner replaced a non-functioning open fireplace with a gas log heater. The 70-year-old chimney was retained for the flue but lined with a new insulated stainless flue. Total install with gas line extension from the meter: roughly $5,500. Now thermostat-controlled, reduced asthma exacerbation for the youngest family member, no more wood storage in the side passage.

4. Wood fireplace restoration (preserving an existing one)

For older masonry fireplaces — typically pre-1980 Melbourne homes — restoration may be the right call when:

• The chimney is structurally sound
• The fireplace has heritage / character value
• You're not budget-constrained to the cheapest install

What restoration involves:

• Chimney inspection (camera survey, mortar testing)
• Re-pointing of damaged mortar
• Flue lining (stainless steel insert with insulation)
• Hearth repair or replacement to current standards
• Appliance install (insert, see above) inside the restored cavity

Cost range: $1,500-$8,000+ depending on what the chimney inspection reveals. A sound chimney just needing flue lining is at the low end; major brickwork repair pushes toward the high end.

Real-world example (anonymised from a recent Carnegie install): A Carnegie homeowner with a 1950s freestanding open fireplace had us inspect after smoke kept coming back into the room. Camera inspection revealed a partial flue collapse. Repair: removed loose brick, rebuilt the upper flue section with new fireclay liners, installed a new stainless-steel flue cap. Total work: $4,200 over 3 days. The fireplace then drew correctly and could safely host a wood heater insert.

The hearth is the non-combustible surface in front of and beneath the fireplace that protects the floor from sparks, embers, and radiant heat. It's the most-overlooked safety component in DIY-installed fireplaces and the most common cause of insurance claims.

Standards (AS/NZS 2918)

For a sealed wood heater:

• Front extension: minimum 300mm beyond the front of the firebox door
• Side extension: minimum 200mm beyond each side of the firebox
• Material: non-combustible (concrete, stone, brick, tile-on-cement-backer)
• Thickness: minimum 25mm of cement / stone, or 12mm tile + 12mm cement backer

For an open fireplace, requirements are larger:

• Front extension: minimum 500mm
• Side extension: minimum 300mm

These are minimums. Insurance and council inspection may require more depending on the appliance specification.

Hearth materials

• Concrete slab — most economical. Often poured to size with a tile or stone finish on top.
• Brick — classic for traditional homes. Slightly higher cost than concrete.
• Natural stone (bluestone, granite, sandstone) — premium look. $300-$800/m² supplied and laid.
• Tile on cement board — versatile, many design options. Tile must be heat-rated (porcelain or stone-look porcelain works; check before specifying).

What NOT to use as a hearth

• Carpet (obvious but happens)
• Untreated timber (combustible)
• Linoleum or vinyl (melts)
• Glazed ceramic kitchen tile (most aren't heat-rated; risk of cracking from thermal shock)

A correct hearth is non-negotiable. Insurance won't cover damage from sparks or radiant heat if the hearth doesn't meet AS/NZS 2918.

Compliance and certification

Any new wood fireplace install in Melbourne must:

1. Meet AS/NZS 4013 for emissions (modern EPA-rated heaters do; older / second-hand units may not)
2. Be installed by a qualified installer — not strictly licensed-trade in all council areas, but experienced installers carry insurance and provide compliance certificates
3. Have hearth and clearances per AS/NZS 2918
4. Have a working CO alarm in the same room (best practice; some councils now require)
5. Compliance certificate lodged with council and/or kept on file by homeowner

For gas log heaters, additionally:

• Type A Gasfitter required for the gas connection (verify via Energy Safe Victoria licence search)
• Certificate of Compliance lodged with the VBA within 5 business days

For insurance: most home buildings + contents insurers require the install to be properly compliant. Claims are denied for fires originating from non-compliant installs more often than people expect.

What to expect on installation day

New wood heater (sealed appliance) install — typical timeline

• Day 1 morning: protect the floor and surrounding area; remove existing fireplace if applicable
• Day 1 afternoon: install hearth (if not already in place); position the appliance
• Day 2 morning: install flue from heater up through the ceiling cavity to the roof
• Day 2 afternoon: install flashing at roof penetration; cap; final commissioning fire to confirm draught
• Compliance: certificate provided same day

Fireplace insert into existing chimney

• Day 1 morning: chimney camera inspection; clean any creosote
• Day 1 afternoon: install stainless steel flue liner inside the existing chimney
• Day 2 morning: install the insert; connect to liner; seal smoke chamber
• Day 2 afternoon: hearth verification and commissioning
• Compliance: certificate provided same day

Restoration

Variable. A simple liner-and-insert can be done in 2 days. A full chimney rebuild + new appliance + hearth replacement can run 5+ days.

Service area

Prime Plumbing & Gasfitting installs and restores wood and gas fireplaces across Melbourne's eastern, south-eastern, inner-east, and bayside suburbs — particularly heritage-rich areas where existing chimney structures need careful assessment. See all suburbs we service →

Book a fireplace consultation

Call 0475 407 670 or send through the contact form. Tell us: existing fireplace (yes/no), wood vs gas preference, room size, and any council notices you've received about the chimney. We'll quote both options where both are viable.

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The mantel is the decorative shelf or surround above the fireplace opening. Architecturally important; safety-relevant.

Safety constraints

For a sealed wood heater:

• Minimum 300mm clearance between the top of the firebox and any combustible mantel material
• For open fireplaces: minimum 500mm above the lintel

If your existing fireplace has a low timber mantel, you have three options:

1. Keep the mantel and choose an appliance that fits the clearance
2. Modify the mantel (raise or replace with non-combustible material)
3. Add a non-combustible heat shield between the firebox and mantel

Design ideas (the audit's "5 design ideas" point)

If you're restoring or installing fresh:

1. Heritage timber mantel — recovered or matched timber to the home's era. Stained or painted. Requires the clearance above; not a problem on most pre-war fireplaces.
2. Stone slab mantel — bluestone, granite, or limestone. Non-combustible (no clearance limit) and timeless. Best for contemporary or transitional homes.
3. Concrete mantel — formed to match the rest of the room. Modern look, fully heat-tolerant, infinite custom shapes.
4. Floating shelf style — minimalist, often in steel or concrete. Sits proud of the wall without traditional surround. Compatible with modern wood heater installs.
5. Built-in joinery — bookshelves or display cabinetry around the fireplace. Stunning when done well. Maintain the heat clearances; use stone or stainless inset between the fire and any timber components.

Mantel cost: $200 (basic timber shelf) to $5,000+ (custom stone or imported timber on a heritage restoration).

Inserts are the workhorse of Melbourne fireplace installs in heritage areas. The unit drops into an existing masonry opening, the flue is lined with stainless, and the result is a far more efficient sealed heater that retains the original surround.

What inserts are made of

• Steel inserts — lighter, more affordable, faster heat-up. 8-15 year service life depending on use intensity. Most popular new-install choice.
• Cast iron inserts — heavier, slower to heat up but better retained heat. 20-40 year service life. Higher upfront cost.
• Soapstone-lined inserts (premium) — soapstone retains heat exceptionally well, releasing it slowly over hours after the fire dies. Premium price ($5,000+) but excellent for spaces where you want gentle persistent warmth.

Insert sizing

The biggest mistake DIY-installers make: choosing an insert based on price rather than fit. The insert must:

• Fit physically inside the existing fireplace opening
• Match the room's heat-output requirements (oversized = uncomfortable, undersized = constantly underperforming)
• Be compatible with the existing chimney size

Use a calculator from any reputable manufacturer (Coonara, Kemlan, etc.) to size by room volume + insulation. Or just have a qualified installer assess on site.