NJA Consulting Pty Ltd has significant experience in the provision of design and supervision services relating to residential construction projects. Our experience varies from basic single story timber-framed construction to multi-storey concrete and steel-framed construction. Our clients include private individuals, building designers, architects and building contractors both in south east Queensland and the Northern Territory. NJA Consulting is also a market leader in undertaking field investigations and specifying remedial works relating to defective and/or inadequate building construction practices. We are a major provider of engineering services to the Queensland Building and Construction Commission (formerly Queensland Building Services Authority) and insurance underwriters.