About James Marsden Builders
James Marsden Builders is a residential building company specialising in high‑quality home extensions, renovations and bathrooms on Brisbane’s northside. We help families who’ve outgrown their home create more space and better layouts without leaving their suburb, typically on projects between $100,000 and $1,000,000. Our team manages everything from foundations to final finishes with fixed‑price contracts, clear communication and tight site supervision. For wet areas we use premium Wedi waterproofing with full flood testing and a 10‑year manufacturer‑backed guarantee for extra peace of mind.
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