Brisbane City Council · From $3,490
Practical approval ready drawings for single room additions across Brisbane. Scope reviewed upfront, price confirmed in writing before work begins.
Room extension plans in Brisbane
Room extensions on Brisbane’s post war timber homes, Queenslanders, brick veneer and contemporary builds don’t have to involve an open ended architectural engagement. Plan Draft’s room extension service is designed for straightforward single room additions where the scope is clear and the goal is practical, approval ready documentation.
We review your project before any commitment. If it’s a good fit, we confirm the price in writing before work begins, starting from $3,490.
Building approvals for straightforward residential additions in Brisbane are typically processed through a private building certifier. Brisbane City Plan 2014 sets out the setback, height and boundary rules that apply to carports, decks and room extensions.
Character and heritage overlays are common in inner suburbs such as Paddington, Ascot and Camp Hill. Flood and waterway overlays apply in lower lying areas. We assess overlay implications at suitability review at no cost to you.
Paddington, Ashgrove, Carindale, Wynnum, Manly, Mitchelton, Keperra, Tarragindi, Moorooka, Coorparoo, Holland Park, Indooroopilly, Kenmore, Chapel Hill, The Gap, Ferny Grove, Chermside, Stafford, Nundah, Clayfield, Hamilton, Ascot, Camp Hill, Greenslopes, Annerley, Yeronga, Rocklea, Acacia Ridge and Sunnybank.
From
$3,490+
Price confirmed after scope review
Included
No commitment required
Typical turnaround
15–20 business days
Common questions
Single room additions on standard residential lots in Brisbane, bedrooms, studies, sunrooms, small living area extensions and similar straightforward additions. Multi room or second storey additions are typically outside this scope.
Room extension plans start from $3,490 in Brisbane. The final price is confirmed in writing after a scope review, before any work begins. There’s no cost or commitment to enquire.
Most room extensions require structural engineering certification. Engineering is a separate cost paid directly to a structural engineer, it’s not included in our fee. We’ll advise on what’s likely required at scope review.
Get started
Send us your project details and we’ll confirm suitability within one business day. Price confirmed in writing before work begins.