Which registration applies. In WA, the registration that covers a roofing job depends on what the job is. Roof coating and painting worth over one thousand dollars needs a registered painting contractor, and registered painters must include their number in their advertising, websites included; our Perth painters page sets out those rules. Building work that needs a permit and is worth twenty thousand dollars or more must be carried out by a registered building contractor, which our Perth builders page explains. Both registers are kept by the Building Services Board, supported by Building and Energy, part of the Department of Local Government, Industry Regulation and Safety, and both can be checked on Building and Energy's public licence search. The roof coating fact sheet also points owners to the Home Building Contracts Act 1991 for jobs over $7,500, and in May 2026 the state opened consultation on changing how large a deposit can be taken on home building work, so if your site mentions deposits we keep it to one line and link to the official guidance.
When the roof cover changes. Working with James Cook University's Cyclone Testing Station, Building and Energy reviewed 15 years of wind damage to re-roofed buildings across WA and released its findings in July 2021. Replacement roofs were over-represented; the recurring faults were work done without the required permits or licences and tie-downs too weak for the new roof; and in metropolitan Perth roughly half of the damaged roofs were lightweight metal that had replaced tile or asbestos. Modified roofs were damaged even when winds stayed below the speeds the building standards require them to withstand. The regulator says a replacement covering of a different shape or weight will usually need a building permit and a registered builder, and that even like-for-like work can uncover supports that have sagged over time. An earlier industry bulletin leaves the decision on whether a permit is needed with the local permit authority, and councils spell out what they expect: the City of Vincent lists re-roofing among work that usually needs a permit, and the Town of Victoria Park's checklist for a certified re-roof application asks for the builder's registration number, structural plans certified by a practising structural engineer with tie-down details, a BAL report where one applies, and a home indemnity insurance certificate for work over $20,000.
Asbestos cement roofs. WA Health notes that asbestos was in many products used in homes built before 1990, that old asbestos roofs can be brittle and degraded after years of sun, wind, rain and hail, and that its current position is to encourage their early and safe removal. It also says high-pressure cleaning of asbestos cement roofs is a highly contaminating activity and is prohibited under the Health (Asbestos) Regulations 1992. WorkSafe issued a safety alert in November 2018 after a registered painter water-blasted an asbestos cement roof to prepare it for paint and contaminated that property and its neighbours. The alert allows only non-abrasive preparation, such as cleaning solutions rinsed off with low-pressure water, suggests replacing sheeting in poor condition instead of painting it, and notes reported clean-up costs of $7,000 to $50,000. In WA, removing more than 10 square metres of non-friable asbestos, or any friable asbestos, needs a licensed removalist; a Class B licence covers non-friable work only.
Storms come in winter here. DFES says storms can happen at any time but are most frequent in WA's south west between May and October, so the months when Perth roofs are most likely to be tested fall in the cooler half of the year. Large hail can still come outside them: on the afternoon of 22 March 2010, large hail fell in a strip from the northern coastal suburbs to south Perth, with stones of 4 to 6 cm in suburbs from Osborne Park to Crawley; more than 150,000 properties lost power at the peak, and the Insurance Council estimated the damage at about $1.05 billion. Afterwards, DFES tells owners to check with their insurer before signing a contract with any repair contractor, and to call their local government or the SES on 132 500 for help with debris or temporary emergency repairs. A storm page that follows the same order, then explains what you do once the insurer knows, matches what owners are being told.
Heritage streets and your service area. Councils handle roofing in heritage areas differently, so the site should point owners to their own. The City of Fremantle's policy on development exempt from planning approval, LPP 1.7, lets roofing materials be replaced without approval where the roof form and pitch stay the same; inside a heritage area the exemption holds only if the house isn't a contributory place, the original exterior isn't affected, the replacement is like for like, or asbestos is being swapped for corrugated zincalume or galvanised steel. It doesn't cover places on the Heritage List or the State Register or under a heritage order or agreement, the policy's exemptions don't apply in bushfire-prone areas or special control areas unless it says so, and an exemption from planning approval doesn't remove the need for any approval the Building Act requires. For the service area, we'd list the suburbs you'll reach for an urgent leak and a wider zone for restorations and re-roofs, from the coast to the hills. We're an Adelaide team at Ste 3/110 Hutt St and work with Perth businesses by phone and email; Adelaide runs 1.5 hours ahead of Perth, or 2.5 while South Australia is on daylight saving. Our clients so far are in SA, NSW, VIC and QLD, so we haven't yet built for a WA roofer.