In 1955 a typical Flagstaff Hill house was about $7,200, or 4.2 years of an average wage. In 2026 it is about $945,000, or 9.5 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 Flagstaff Hill 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 ~5% infill that replaced an earlier house.
Rebuild pressure in Flagstaff Hill is low. Streets look much as they did. Occasional renovation, very little demolition. Renovation only. Steep blocks and the golf course make subdivision rare.
Locals know: Split-levels and pole homes on the slopes above Craigburn Farm; retaining walls are the local repair industry.
A typical Flagstaff Hill block is 700-1,000m². Three realistic paths in 2026.
Blocks of 700-1,000m² in Flagstaff Hill 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 Flagstaff Hill's current position relative to the city, a typical Flagstaff Hill house was around $10,500 in 1965, or about 3.8 years of an average full-time wage. In 2026 it is around $945,000, or about 9.5 years of wages. These are indicative figures, not sales records.
Roughly 5% of today's homes in Flagstaff Hill are infill: townhouses, courtyard homes or rebuilds that replaced an earlier house. Rebuild pressure is low: Streets look much as they did. Occasional renovation, very little demolition.
The largest share of Flagstaff Hill (45%) is 1980s-90s brick veneer (1980s-1990s). Brick veneer with a Colorbond or concrete-tile roof, ensuite, formal lounge nobody uses, double garage under the main roof by the 90s. Rendered feature walls arrive late.
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