| Trade | Licensed for | Common jobs | What to ask |
| Roof plumber | Gutters, downpipes, flashings, valleys, box gutters, rainwater systems | Leaking gutters, blocked box gutters, failed flashings, roof leaks at penetrations | Show me your NSW Fair Trading licence with the roof plumbing endorsement |
| General plumber | Water supply, sanitary drainage, gas inside the home | Burst pipes, hot water, taps, toilets, gas leaks | Show me your NSW Fair Trading plumbing licence |
| Roofer / roof tiler | Tile, slate, metal roof coverings | Replacing roof sheeting or tiles, ridge cap rebedding | Show me your trade qualifications and recent projects |
Never take a tradesperson's word for it on licensing. NSW Fair Trading runs a free public register of every licensed plumber, gas fitter and roof plumber in the state. It takes 30 seconds to check - and you should check, every time.
NSW Fair Trading Licence: 289252c. You can verify this on the NSW Fair Trading public register at any time. We publish the number openly because we want you to check.
Different roof materials fail in different ways and need different repair approaches. Here's what you've probably got on your Sydney home and how we work with it.
BlueScope's pre-painted steel sheeting - by far the most common metal roof in modern Sydney builds. Typical lifespan 30+ years on inland properties, often shorter in coastal Eastern Suburbs and Northern Beaches due to salt-air. Failure points are usually at penetrations (vents, antennas, plumbing stacks), at flashing joints, or where rubbish has scratched through the protective coating. Spot repairs are usually viable; full re-sheeting is the long-term answer when corrosion is widespread.
BlueScope's unpainted aluminium-zinc coated steel. Older than current Colorbond products and still very common on 1990s–2000s Sydney homes. Slightly shorter lifespan than Colorbond in coastal zones. Same failure patterns; same repair approach.
Heritage Inner West and Eastern Suburbs homes often have original terracotta tile roofs. Tiles themselves can last 100+ years; the failure points are the mortar bedding under the ridge caps (typically 20–25 year life), the sarking layer below the tiles, and individual cracked tiles. Heritage terracotta tiles are still manufactured and we can match for like-for-like replacement on heritage-listed properties.
Cheaper alternative to terracotta, very common on 1960s–80s Sydney homes. Tiles can become porous and absorb water over time, leading to invisible leaks through the tile body. Painted concrete tiles can be re-coated to extend life; cracked tiles need replacing. Bedding mortar failure is the most common issue we see.
Premium heritage material on some Eastern Suburbs and Inner West terraces and 19th-century homes. Lifespan can exceed 100 years if the fixings hold. Most slate problems are slipped or broken slates and rusted fixing nails. Slate work needs specialist handling - we work with heritage slate specialists where the job requires their tools and experience.
Lead is still the gold standard for flashing material on heritage and high-end Sydney roofs. Lifespan 50+ years if dressed and lapped correctly. Failure is usually at joints, splits from thermal cycling, or galvanic corrosion against incompatible adjacent metals. Lead repair work needs a roof plumber familiar with the material - modern lead-replacement products (Wakaflex, EPDM membranes) are sometimes the more cost-effective fix for non-heritage homes.
Premium architectural material on some heritage and prestige Eastern Suburbs homes. Develops a green patina over time which is part of the aesthetic. Lifespan 100+ years. Failure points are at solder joints (where compatible materials are critical) and where copper has been wrongly paired with galvanised or zinc components causing galvanic corrosion. Copper work needs a roof plumber experienced with the material.
Sydney gets hit by major storms and hail events every year. Most home insurance policies cover storm and hail damage - but the claim only goes smoothly if you act fast, document properly, and use a contractor who knows the claims process. Here's how we work with homeowners on insurance-funded roof repairs.
Sydney roofs cop a beating most homeowners don't think about until something fails. Here's the year your roof is actually living through, and what we recommend you do about it.
Sydney summers combine the highest UV load of the year (which slowly breaks down rubber and silicone sealants around flashings and penetrations) with the storm season. Late November through February is the hail window - Sydney has had multiple destructive hail events in this period over the last decade. East coast lows can also dump 100+ mm in 24 hours, overwhelming undersized gutters and box gutters. Recommended action: clear gutters in November, check sealants around penetrations, photograph the roof so you have a baseline before the storm season.
Autumn is when established Sydney trees (especially deciduous species in Inner West and parts of the Eastern Suburbs) drop heavy leaf loads into gutters. Combined with the year's accumulated rubbish, gutters can be 80%+ blocked by the end of May. Blocked gutters mean water overflows backwards under the roof line, rotting fascia boards and tracking into ceiling cavities. Recommended action: gutter clean in late autumn, leaf guard consideration if your property has heavy tree cover.
Winter is Sydney's wettest period in many years. Southerly busters drive rain horizontally - meaning leaks show up in places that don't leak in regular vertical rain. Failed flashings, gaps in cladding, and aging valley irons all fail under southerly conditions. Recommended action: any leak that appeared in winter should be inspected before the next summer's heavy storms.
Spring is the best time of year for roof maintenance in Sydney. Weather is mild, trees have finished their spring drop, and you have time to address anything before the hail and storm season starts in late November. Recommended action: full annual roof inspection in October - gutters, downpipes, flashings, sealants, valley irons, ridge caps.
Any roof work in Australia is classified as working at heights - meaning the contractor is legally required to operate under SafeWork NSW's Work Health and Safety regulations. This isn't optional, it's not a cost-cutter, and any roof plumber who works without proper height safety protocols is exposing you to liability if they're injured on your property.
If a tradesperson is injured on your property and they weren't operating under proper safety protocols - no insurance, no certification, no fall arrest - you can be left exposed. Even with home and contents insurance, contractor injury claims can become your problem if the contractor was operating outside compliance. Hiring a properly certified, properly insured roof plumber isn't a cost premium; it's risk protection for you.
| Job | Typical Sydney range (inc GST) | Notes |
| Standard call-out (business hours) | $0 to $99 | Plumberoo: $0 Mon–Fri 7am–3pm; after-hours fee quoted before dispatch |
| Hourly rate (roof plumbing) | $70 to $150 + GST | Plumberoo: from $70 + GST |
| Roof leak inspection + report | $200 to $600 | Includes ceiling-cavity check and source diagnosis |
| Single roof leak repair | $300 to $1,200 | Range covers from small flashing reseal to multi-point repair |
| Gutter replacement (per linear metre) | $70 to $180 | Colorbond standard profile; box gutter is higher |
| Full gutter replacement (avg home) | $1,800 to $4,500 | Depends on lineal metres, profile and height |
| Downpipe replacement (each) | $250 to $650 | PVC lower; round Colorbond higher |
| Flashing repair / replacement | $300 to $1,500 | Lead flashings at the upper end |
| Box gutter rebuild | $1,200 to $4,000+ | Common failure point on inner-Sydney terraces |
| Valley iron replacement | $600 to $2,500 | Material, length and access drive the range |
| Ridge cap rebedding (terracotta tile) | $800 to $2,800 | Per linear metre rate often $80–$120 |
| Whirlybird or roof vent install | $300 to $700 | Including penetration flashing |
| Skylight leak repair | $400 to $1,400 | Higher if seal failure requires unit removal |
| Rainwater tank install (small res.) | $1,500 to $4,500 | Excluding tank cost; includes pump and connections |
| Leaf guard / gutter guard install | $30 to $80 per metre | Mesh quality drives the range significantly |
| Storm emergency tarp + patch | $400 to $1,200 | Insurance-claim documentation included |
| Roof plumbing Certificate of Compliance | $150 to $350 | Required for some council and insurance work |
| After-hours emergency attendance | $200 to $450 + GST | Quoted on phone before dispatch |
Every roof plumbing job we quote is fixed in writing before we start work. Never pay more than we quote - guaranteed. If we open up the job and find something unexpected (a hidden flashing failure, a rusted-through section we couldn't see from the ground, a tile course that's deteriorated under the visible damage), we stop, show you, and re-quote before continuing. No surprise invoices. No "while we were up there" additions to the bill.
Most roof problems are spotted easily six months before they become emergencies. Run through this checklist once a year - ideally in October before the hail and storm season - and you'll head off the majority of major roof claims before they start.
Plumberoo can deliver an annual roof inspection with a written report - useful for both proactive maintenance and as evidence for future insurance claims. Call (02) 9191 8787 to book.
