Steel frames and trusses for Brisbane

Supplying Brisbane from Crowley Vale

What to know about building in Brisbane

From Brisbane City Council, state agencies, the Bureau of Meteorology and the ABS. Each item links to its source.

• Brisbane City Council's FloodWise Property Report gives the minimum habitable floor level for a dwelling house, equal to the 1% AEP flood level of the highest flood type plus 0.5 m.

  Source

• Brisbane City Council's Flood Awareness Map covers river, creek, overland flow and storm tide flooding.

  Source

• The Bureau of Meteorology's Brisbane city station (040913) records a mean annual rainfall of 1,065.2 mm and a mean maximum temperature of 26.7 °C (1999-2026).

  Source

• The Bureau of Meteorology records that the January 1974 flood reached 5.45 m on the Brisbane City gauge at the river end of Edward Street, affecting at least 8,000 properties, while the January 2011 flood peaked at 4.46 m.

  Source

• In the February 2022 event the Brisbane City gauge peaked at only 3.85 m, yet flash flooding hit the northern suburbs, with a record daily rainfall of 344.8 mm at Alderley on 28 February 2022.

  Source

• The 2021 Census counted 2,287,896 people and 918,619 private dwellings in the Brisbane urban centre, where 71.4% of occupied dwellings were separate houses and 16.0% were flats or apartments.

  Source

Frame design in Brisbane

Wind classification

Set lot by lot in Brisbane under AS 4055; send us your site's classification with the plans. · How wind classes work

Flood levels

Check Brisbane City Council's flood information for the lot first. If it sets a minimum floor level, a raised steel floor system is one way to meet it. · Steel floor systems

Owner-builder? QBCC permit rules and what a kit includes