In 1955 a typical Modbury house was about $6,500, or 3.8 years of an average wage. In 2026 it is about $765,000, or 7.7 years. Here is the decade-by-decade version, what was standing when, and what her block does now.
Modelled, not measured. Prices are the Adelaide median house price of the day (rounded, dollars of the day) scaled to where Modbury sits against the city median in 2026, blended toward the median for earlier decades because suburbs move up and down the ladder. Wages are national average full-time earnings. Treat every figure as "about". For actual sales history, ask an agent or the state valuer.
Trust homes and fibro on the fringe; stone villas closer in.
Cream brick veneer, one bathroom, a Hills Hoist.
Brown brick project homes, ducted evaporative, a family room.
The ensuite arrives. Colorbond replaces galvanised iron.
Four-two-two under one roof. Rendered feature walls.
Biggest houses in the world. Alfresco and theatre room.
Two-for-one subdivisions start. Solar on a third of roofs.
7-star, all-electric, 300m² blocks. Or a rebuild on Nan's.
Includes ~20% infill that replaced an earlier house.
Rebuild pressure in Modbury is medium. A knockdown or a subdivision every few streets. Character is shifting but the original stock still dominates. Infill is picking up around the interchange and Tea Tree Plaza. The rest is quietly renovating.
Locals know: A lot of 1960s homes here were built by the Housing Trust for sale, so floor plans repeat street to street.
A typical Modbury block is 600-800m². Three realistic paths in 2026.
Blocks of 600-800m² in Modbury are the size developers look for. Two 4-bed homes typically $550K-$750K each to build, before demolition and civils.
Read the guideOne 220-260m² family home on the full block, $520K-$900K depending on builder tier. Keeps the backyard.
Read the guideRoof, rewire, switchboard, salt damp and a bathroom: $60K-$120K to bring an old Adelaide house up to modern comfort.
Read the guideModelled on the Adelaide median of the day and Modbury's current position relative to the city, a typical Modbury house was around $9,100 in 1965, or about 3.3 years of an average full-time wage. In 2026 it is around $765,000, or about 7.7 years of wages. These are indicative figures, not sales records.
Roughly 20% of today's homes in Modbury are infill: townhouses, courtyard homes or rebuilds that replaced an earlier house. Rebuild pressure is medium: A knockdown or a subdivision every few streets. Character is shifting but the original stock still dominates.
The largest share of Modbury (35%) is 1960s cream brick veneer (1960s). Triple-fronted cream brick veneer, low hip tiled roof, aluminium or steel windows, concrete slab, carport on the side. The Adelaide suburb standard.
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