Roof Replacement Services VIC 2026 - Get Quotes

Permits, Approvals and the Repair Distinction

The Victorian permit position on roofing turns on a distinction most quotes never mention. Repair, renewal or maintenance of part of an existing building is exempt from a building permit, and that exemption expressly covers repairing parts of roofs with tiles or sheeting. Full replacement of a building element is a different thing entirely, since it does not count as repair and has to be treated as an alteration instead. That does not automatically mean a permit is required, since alterations have their own exemptions, but it does mean the question has to be asked rather than assumed. Several situations push a re-roof firmly toward needing approval.

Changing material changes the load on the structure, and a tile roof carries far more weight than sheet metal, so going the other way from metal to tile raises a structural question a surveyor will want answered. Altering the roofline, the pitch, or the shape is an alteration in anybody's reading. Adding skylights, new penetrations or a roof window changes the structure. Where the existing framing needs modification to suit the new covering, the work has moved well past replacing a covering. Planning approvals sit separately from building permits and catch people out on older properties. A heritage overlay, a neighbourhood character overlay or an individual heritage listing can control what a roof looks like from the street, which means the material, the profile and sometimes the colour are not free choices.

Replacing terracotta tiles with corrugated metal on a listed cottage is precisely the sort of change that needs asking about first, and the answer comes from the council rather than the roofer. Two practical steps resolve almost all of this. Ring the council planning department with the address before you commit to a material, as that call is free and takes minutes. And ask the contractor in writing whether they consider a building permit is required and on what basis, since a contractor who has never considered the question is telling you something useful about how they work. Heritage properties and their finishes are handled by heritage home painting and restoration trades who deal with overlays routinely.

Licensing, Compliance Certificates and Who Does What

Roofing in Victoria splits across two registration systems, and knowing which applies to your job prevents an awkward conversation later. Roofing stormwater work, meaning roof coverings, flashings and the stormwater drainage system that collects and disposes of the water, is a licensed class of plumbing work under the Plumbing Regulations 2018. A licensed plumber in that class can issue a compliance certificate, and one is required once that plumbing work passes $750 all in, materials and GST counted. A full re-roof clears that threshold on day one. Watch for one class in particular. It limits the holder to Class 10a buildings, meaning sheds, garages and carports, so a tradesperson holding only that class cannot lawfully re-roof a house.

Asking which class somebody holds, and checking it, takes a minute and is the single most useful verification available on this trade. Building registration applies separately where the work is structural or forms part of a larger project. A registered building practitioner carries obligations a plumber does not, and on a job involving framing alterations, extensions or significant structural repair you may be dealing with both. That overlap is normal, though it should be clear in the contract who is responsible for what.

You should end up holding a specific set of paperwork. Expect the compliance certificate for the plumbing work, the building permit and occupancy or final inspection paperwork where a permit applied, the manufacturer warranty documentation for the roofing product, and the installer's own workmanship warranty in writing. Keep them together, because a purchaser's building inspector will ask and because warranty claims without documentation go nowhere. Plumbing registration and compliance are administered through roof and gutter plumbing contractors licensed in the relevant class.

Choosing the Material for a Victorian Roof

Material choice drives cost, weight, appearance and how the roof behaves for the next forty years, and the sensible starting point is what the house already carries. Concrete and terracotta tiles dominate post war Victorian housing and still perform well, with terracotta holding colour far better than concrete, which fades and grows lichen on southern faces. Tiles are heavy, the structure was designed for that weight, and replacing tile with tile avoids every structural question that a changeover raises. Steel sheeting has taken most of the new work and a large share of replacements.

Colorbond and Zincalume profiles from Lysaght, Fielders and Stramit are the products you will actually be quoted, they weigh a fraction of tiles, they shed water at lower pitches, and they suit the wind exposure across much of the state. The trade offs are real though, since metal transmits noise in heavy rain unless insulated properly, it dents under hail, and cheap installations reveal themselves through oil canning and poorly finished flashings. Slate and heritage materials occupy their own category. Genuine slate on a Victorian era home is expensive to replace at $250 to $600 per square metre and demands a tradesperson who works with it regularly, but it lasts generations and on a listed property it may be the only acceptable answer. Reproduction and composite products exist and satisfy some overlays, while satisfying none of the purists.

Two factors specific to Victoria deserve weight in the decision. Bushfire attack level requirements apply in designated areas and restrict what can be used, including the detailing around gutters, valleys and roof penetrations where embers collect. And the colder southern and highland parts of the state make thermal performance worth paying for, which is a stronger argument for doing insulation properly than for choosing any particular sheet. Existing roofs that are sound but tired are often better served by roof restoration than replacement.

Condensation, Sarking and Roof Space Ventilation

This is the requirement most likely to be missed on a Victorian re-roof, and it exists as modern roofs are far better sealed and insulated than the ones they replace. Victoria falls within the colder national climate zones, and in those zones the Code requires the roof space to be ventilated to specified minimum opening areas. The guidance sets the figures by pitch, with a low pitched roof at around thirteen degrees needing roughly 25,000 square millimetres per metre of ventilation at the eaves and 5,000 square millimetres per metre at high level within 900 millimetres of the ridge. Sarking comes with rules of its own.

Pliable building membranes used in the relevant applications must comply with the Australian standard for those materials and be installed to the companion installation standard, and in the colder zones the membrane must be vapour permeable so moisture can escape instead of being trapped against the insulation. Using an old style reflective foil that does not breathe, on a well insulated roof in Ballarat or the Dandenongs, creates exactly the problem the requirement exists to prevent. The consequence of getting it wrong shows up within a year or two. Moisture condenses on the underside of cold sheeting, drips onto insulation and plasterboard, and produces staining, mould and rotting timber in a roof that is otherwise brand new. Owners usually report it as a leak, roofers find no point of water entry, and the actual cause sits in the ventilation and vapour design instead of in the covering.

Ask three questions before signing anything. Ask which sarking is specified and get confirmation it breathes. Pin down how the roof cavity gets ventilated and to what opening areas. And confirm that any bathroom, kitchen or laundry exhaust fans discharge outside rather than into the roof space, since dumping wet air into a newly sealed roof is a guaranteed way to create the problem. Ventilation hardware is supplied and fitted by roof ventilation contractors.

What Is Under the Roof

Nobody knows the true condition of a roof structure until the covering comes off, which is why a fixed price quoted without any allowance for what is found underneath should be treated with caution. Battens are the usual discovery, particularly on older tiled roofs where timber battens have been carrying weight for sixty years and have split, sagged or been attacked by borers. Replacing them costs $18 to $42 a square metre and is not optional once they are exposed as unsound. Rafters, trusses and valley boards each bring their own surprises. Water that has been tracking down a valley for years rots the boards beneath it and the rafter ends they sit on, and the damage is invisible from inside the roof space as it sits hidden under the tiles. Sagging that looked like settlement from the street sometimes turns out to be an undersized or damaged member.

None of this is unusual and all of it needs fixing before new material goes on. Finding asbestos changes the shape of the whole job. Grey corrugated cement sheeting on a building from before the late 1980s should be assumed to contain asbestos until tested, and removing it is licensed work with notification, controlled removal and tracked disposal attached. It is also present in less obvious places on a roof, including eaves lining, gable infills and the backing behind some flashings, so a house with a metal roof can still deliver an asbestos problem at the edges.

The honest way to handle all of this in a quote is a provisional allowance with an agreed rate. Ask for the batten replacement rate per square metre, the hourly or per item rate for structural repairs, and a written process requiring the contractor to notify you before any extra work proceeds. A contractor who says nothing will be found is guessing, and one who refuses to name rates in advance has left themselves room to name them later. Licensed removal of cement sheeting is handled by asbestos roof removal contractors, with identification through asbestos testing and inspection specialists.

Work Worth Doing While the Roof Is Open

A re-roof opens up access that will not exist again for decades, and several jobs cost a fraction of their normal price while the covering is off. Insulation is the clearest example, because installing or upgrading ceiling insulation from above is quick and thorough compared with crawling through a finished roof space, and in the colder parts of Victoria the return on it is substantial. Gutters and the downpipes carrying water to the ground come next on that list, and broader roofing services cover the rest. They are usually the same age as the roof, they are already being disturbed where they meet the new covering, and replacing them separately later means paying for access twice. The same logic applies to valley irons, flashings and any fascia board showing rot, which is the timber the gutter fixes to, none of which should be reused simply because they are still standing. Then the additions people wish they had made.

Skylights and roof windows are dramatically easier to install during a re-roof than afterwards, solar mounting rails can be planned so the array does not have to be removed later, and roof anchor points fitted now give safe access for future maintenance. Whirlybirds or ridge vents installed as part of the ventilation design are cheaper than retrofitting them. One word of caution on bundling. Adding scope inflates the invoice and makes comparing quotes harder, so ask for each addition priced as a separate line rather than absorbed into a single figure. That way you can decide item by item and compare contractors on the roof itself. Replacement guttering is priced through gutter replacement contractors, with panels installed by solar panel installation specialists.

How a Re-Roof Actually Runs

A typical Victorian house re-roof takes three to eight working days depending on size, pitch and weather, and knowing the sequence helps an owner judge whether things are going properly. Access goes up first, meaning scaffold or edge protection appropriate to the height, and on a two storey this is a genuine cost rather than an optional extra. Anybody proposing to re-roof a two storey house off extension ladders is proposing to work unsafely, and the saving is not worth the exposure. Strip out follows, usually a section at a time so the house is never fully open.

The old covering comes off, the structure gets inspected, and this is the moment any nasty surprises surface, which is why being contactable during the job matters. Debris is bulky and heavy, so a bin or truck on site is normal and where it sits needs agreeing in advance. Then the build up goes on in order. Repairs to battens and timbers come first, then sarking, then the new covering with flashings, valleys, ridge capping and penetrations detailed as the work progresses. Gutters and downpipes follow where they form part of the scope.

Good contractors close the roof up each evening instead of trusting the forecast. Weather governs the calendar more than anything else. Melbourne's winter makes a multi day re-roof genuinely difficult, autumn and spring offer the most workable conditions, and summer brings heat that starts crews at dawn and stops them in the afternoon. Book ahead if you can, because the weeks after a significant storm see every roofer in the state committed. Urgent temporary protection during the job, known as make safe work, is covered by emergency roof repairs contractors.

Working at Height and Your Duties as an Owner

Roofing sits among the highest risk trades in the country, and a homeowner engaging a contractor is not entirely removed from that. Falls from height account for a substantial share of serious construction injuries, and a re-roof involves people working on a sloped surface, at the edge, handling large sheets that catch wind, often above a hard landing. The controls are well established and they cost money, which is exactly why they get omitted from the cheapest quote. The hierarchy that applies works from most to least effective.

Eliminating the risk comes first, then passive protection such as scaffold with edge protection or guardrailing, then work positioning systems that hold somebody back from an edge, then fall arrest, with ladders and procedures last. A two storey re-roof done from scaffold is the defensible arrangement, and one done off extension ladders is not, whatever the price difference. Your position as the person who controls the premises brings duties of its own. Tell the contractor about anything that makes the site hazardous, including overhead powerlines near the roof line, fragile skylights, asbestos material and brittle sheeting, and keep children and pets clear of the work zone and the ground below it. Where a skip or debris chute is used, the drop zone needs barricading instead of trusting people to notice.

Then there is the insurance question, which owners rarely raise. Confirm the contractor holds public liability cover and workers compensation for their employees, as an uninsured worker injured on your roof becomes a problem that reaches you. Ask for the certificates of currency instead of accepting an assurance. Fall prevention duties covering anybody working on your roof are administered by WorkSafe Victoria.

Units, Townhouses and Owners Corporation Roofs

Roof replacement on a property with shared ownership follows a different path, and the first question is not technical but who actually decides. On most unit and apartment developments the roof is common property, which places the decision and the cost with the owners corporation instead of the owner living under the leaking section. An individual owner who commissions a re-roof independently will generally not recover the money. Townhouses complicate the picture because ownership varies with the plan of subdivision. Some developments have each townhouse on its own lot with its own roof, making it an ordinary private decision, while others hold the roof as common property despite the units looking entirely separate from the street.

The title and the plan settle it, and checking before you start getting quotes saves a wasted month. Where the owners corporation is responsible, the process runs through meetings, quotes, resolutions and funding from either the maintenance fund or a special levy. That takes time, which is why roofs in these buildings are so often replaced later than they should be, and why the interim period usually involves patch repairs that cost real money without fixing anything. Getting an independent condition assessment gives owners something objective to vote on.

Two practical points help these projects along. Quote the whole roof rather than the failing section, as staged replacement across a shared roof produces mismatched materials and repeated access costs. And confirm how the work interacts with the building insurance the owners corporation already holds, since storm damage and wear are treated very differently. Shared building plumbing is handled by strata and body corporate plumbing contractors.

What Roof Replacement Costs in Victoria

Pricing is per square metre of roof area, which is larger than the floor area because of pitch and overhangs, and a rough rule is that a single storey roof runs around twenty to thirty per cent more area than the house footprint. Metal sheeting supplied and installed runs $95 to $190 a square metre, with concrete or terracotta tile at $90 to $175 and slate between $250 and $600. Swapping 180 square metres of tile for metal usually totals somewhere between $19,000 and $39,000. Quotes diverge most on the supporting items. Strip out and disposal costs $25 to $58 a square metre, and tile roofs sit at the top of that range for sheer weight. New battens run $18 to $42 where needed, vapour permeable sarking $9 to $19, and scaffold on a two storey $2,200 to $8,500.

A building permit and surveyor where one applies adds $850 to $2,600. Several things push a job toward the upper end. Steep pitch slows everything and increases the safety requirement, complex roofs with multiple valleys and dormers take far longer per square metre than a simple gable, restricted street access on an inner suburban block complicates delivery and waste removal, and any asbestos discovery brings licensed removal costs that sit outside the roofing quote entirely. Comparing headline rates alone will mislead you. Two quotes at similar per square metre figures can differ by many thousands once batten allowances, sarking specification, ventilation, gutters and permit costs are counted, so insist on those as separate lines. Smaller repairs that do not justify replacement are priced by roof repairs contractors.

Insurance, Storm Damage and Paying for a New Roof

A proportion of roof replacements are paid for by an insurer rather than the owner, and the distinction an assessor draws is between sudden damage from an insured event and gradual deterioration. A roof stripped by a storm is generally covered, while a roof that leaks because the flashings have been perishing for fifteen years generally is not, and the assessor looks at the condition of the surrounding material to decide which they are looking at. Maintenance records help more than arguments do. Partial claims create a specific problem worth anticipating. Where a storm damages one elevation of a tiled roof and the tile range has been discontinued, matching becomes impossible and the roof ends up visibly patched, which is a reasonable thing to raise with the insurer rather than accept quietly. Keeping attic stock of tiles from the original build, or setting some aside from the replacement, prevents the same situation arising next time around.

On the consumer protection side the position changed this year. Contracts signed from 1 July 2026 for eligible domestic building work above the threshold fall under the Home Warranty scheme rather than the older insurance arrangement, and the Building and Plumbing Commission now handles domestic building disputes as the first point of entry before any referral to the tribunal. The Commission can also issue rectification orders, which means a defective roof no longer requires a builder to collapse before anything happens. Three practical habits protect an owner here. Photograph the roof from ground level occasionally so you have a dated before image, keep every invoice and compliance certificate, and read the security and maintenance conditions in your building policy rather than discovering them during a claim. Insurance disputes that cannot be resolved with the insurer go to the Australian Financial Complaints Authority, with consumer guidance from Consumer Affairs Victoria.

Choosing a Roofing Contractor

Roofing attracts both long established businesses and operators who appear after storms, and the checks that separate them are quick. Start with the licensing, confirming the plumbing class held covers houses rather than only Class 10a sheds and garages, and confirm registration where building work is involved. Ask how long the business has traded under its current name, given a warranty is only ever worth as much as the company standing behind it. Then interrogate the specification they have put forward.

Ask what sarking is proposed and whether it is vapour permeable, how the roof space will be ventilated, what batten allowance is included and at what rate, and what happens if asbestos is found. A contractor who answers those four specifically has thought about your roof, while one who talks only about the colour of the sheeting has not. Ask for evidence that ages well. References on roofs completed five or more years ago tell you far more than photographs of last month's job, since flashing detail, fastener corrosion and ventilation problems all reveal themselves over time instead of immediately. Ask whether you can see one.

Finish with the ordinary commercial checks. Confirm public liability insurance with a sum appropriate to the building, confirm workers compensation, get the scope and staged payments in writing, and be cautious about large deposits. Deposits on domestic building contracts are regulated, and a contractor asking for half the job upfront is asking you to carry their cash flow risk. If you want an independent view before committing, building inspection providers report on roof condition as part of a structural assessment.

What to Look Out For

The most expensive mistake is accepting a fixed price with no stated allowance for what sits under the covering, as the structure is unknown until the strip out and the variation lands when you have no leverage. The second is letting the ventilation and sarking specification go unmentioned, which produces condensation in a roof that is otherwise new and is genuinely difficult to argue about afterwards. Be cautious about door knockers offering roof work after storms, about quotes given without anybody inspecting the roof space, and about any suggestion that a full replacement never needs a permit. Treat with caution a contractor who dismisses asbestos on a pre 1990 building without testing, and any deposit demand well beyond what the contract regulations contemplate. Be wary too of a quote that prices only the sheeting, since the flashings, valleys and ridge details are where a roof actually leaks and where a cheap job cuts corners you cannot see from the ground.

Keep the documentation together, meaning the contract, the compliance certificate, any permit and inspection paperwork, product warranties, the sarking and ventilation specification and dated photographs taken during the work. Photographs of the sarking and battens before the covering goes on are particularly valuable, as once the roof is closed nobody can verify what is underneath. Ask the contractor to send them as the work proceeds instead of requesting them afterwards. A purchaser's building inspector will look for exactly this kind of record. The pliable membrane and installation standards referenced throughout this guide are published by Standards Australia.

How to Get Comparable Quotes

Give the roof area if you know it, the number of storeys, the approximate pitch and the age of the house, since those four determine most of the price. Say what is on the roof now and what you want instead, and mention whether the property sits in a heritage or character overlay. Describe the symptoms honestly, covering leaks, sagging, broken tiles, rust, ceiling staining or anything you have noticed in the roof space. Note access constraints including narrow side setbacks, overhead powerlines, whether a truck can reach the property and where a bin could sit. Mention any insurance claim, as that changes the process considerably.

Then ask every contractor to price the same scope with strip out and disposal, batten allowance and rate, sarking type, ventilation provision, flashings, gutters and scaffold itemised separately. Ask who arranges the permit if one is needed and who issues the compliance certificate. Photographs of the roof and of any ceiling damage tell a contractor far more than a written description does, particularly for anything happening inside the roof space. Cleaning and coating of sound roofs is quoted through roof cleaning contractors.