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28 MOUNT OSMOND ROAD MOUNT OSMOND SA 5064

HOUSE FOR SALE

$2,800,000

Estimated Valuation

28 MOUNT OSMOND ROAD MOUNT OSMOND SA 5064 Property Photo
Bedrooms

3

Bathrooms

1

Car Space

4

Land Size

1,781 m²

Year Built

1965

Property Type

House

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Added 2 hours ago
Listing Price

Price withheld

Listed By
Ray White Unley
Iconic mid-century architecture designed by Ron Byrne sits perched on the Mount Osmond hillside, offering spectacular panoramic views and a rare opportunity to own a piece of Adelaide history. With its original mosaic tiling, authentic materials, and massive glass walls framing the landscape, this property is a sanctuary for design enthusiasts seeking an elevated lifestyle minutes from the city.

Description

This 1965 mid-century modernist home in Mount Osmond is a rare architectural example designed by Ron Byrne, remaining remarkably true to its original vision. Perched on the hillside with unobstructed views of Adelaide, the city, and the coastline, the property features an authentic aesthetic characterized by walls of glass, mosaic tiles, and honest materials like slate and cork flooring. The interior boasts a spacious open-plan living and dining area centered around a combustion heater, with full-height glazing drawing the landscape inside. A highlight is the fully glazed sunroom that feels suspended above the valley, perfect for entertaining or relaxation. The kitchen retains its era charm with a built-in breakfast bar positioned at the window, offering views during daily tasks. Accommodation includes three generously proportioned bedrooms and a bathroom featuring original mosaic tiling and a long vanity. Beneath the home lies a double garage integrated with a wine cellar, plus a separate large lockable rumpus room/garage accessible via a discreet staircase, which offers potential for renovation subject to council consent (STCC). The exterior is defined by brickwork and expansive landscaping that creates a natural privacy screen while attracting abundant birdlife and koalas. This home represents a significant piece of Adelaide history, offering an elevated lifestyle just minutes from the CBD yet worlds away in terms of tranquility.

Property Style & Condition

Overall
modern
good
Condition
Exterior
mid century modern
good
Condition
Livingroom
modern
good
Condition
Bedrooms
standard
good
Condition
Kitchen
modern
good
Condition
Bathroom
modern
good
Condition
Yard
landscaped
good
Condition

Key Features

Designed by architect Ron Byrne
Built in 1965
Slate and cork flooring throughout
Original mosaic tiles
Walls of glass with full-height glazing
Panoramic views of Adelaide, city, and coastline
Open-plan living and dining area
Combustion heater
Fully glazed sunroom
Kitchen with built-in breakfast bar
Three bedrooms
Double garage with integrated wine cellar
Separate large lockable rumpus/garage room (potential for accommodation)
Natural garden with mature vegetation
Zoned to Glenunga International High School and other prestigious schools
Minutes from Mount Osmond Golf Course

Specifications

Property Details
Property Type House
Architectural Style mid century modern,modernist
Stories 2
Parking Type attached garage, driveway
Construction brick
Windows floor to ceiling
Gas natural gas
Internet nbn
Location & Setting
Setting suburban
Lot Position corner lot
Views ocean panoramic, city skyline, valley, sunset
Beach Proximity short drive
Nearby Amenities
Near golf course
Near high school
Near primary school
Near shopping
Near trails
Rental Information
long term rental only

Exterior

deck
patio
mature landscaping
garden
native garden
rainwater tank
double carport
retaining walls
driveway
rainwater collection
golf course

Indoor

open floor plan
fireplace
tile floors
kitchen island
built in shelving
wine cellar
walk in pantry
laundry room
ceiling fan
recessed lighting
sliding glass doors
basement
refrigerator
oven
dishwasher
baseboard
ceiling fan
security gate
double story
Listed on 10 Sep 2026

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    Property     MOUNT OSMOND     LGA

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MOUNT OSMOND Statistics

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Crime in suburb of Mount Osmond SA

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Safety Rank

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Property Crime Chance 1 in X
State Average (Violent) 1 in 84

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1 The Property

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2 Your Situation

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3 Costs & Assumptions

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Interest on the borrowed deposit is also tax-deductible and is added to your gearing position. Your true out-of-pocket cash is reduced by whatever portion you borrow.
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Land tax (NSW)Annual holding cost on combined land value over the threshold.
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NSW 2026: nil up to $1,075,000 combined land value, then $100 + 1.6% of the excess, rising to $88,036 + 2% premium rate above $6,571,000. Computed land tax replaces the figure in section 3.
Cash buffer & risk capacityCould you survive vacancy, rate rises and repairs?
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Calculating…Verdict ?
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rent cash flow + capital gain − all costs & tax
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Comparing Common Investments ?
What this shows
Property value (grey bars, left axis) is the projected market value each year using your capital-growth assumption. The capital profit if sold line (coral, left axis) is the money you'd actually walk away with that year after repaying the loan, paying selling costs, paying CGT, and getting back the cash you put in. The rent collected line (teal, right axis) is gross annual rent received, grown at your rent-growth assumption.
What this shows
Three views of how the position evolves year by year. Property value (dashed) shows the asset growing at your capital-growth rate. Equity (coral) is value minus loan balance — how much of the property you actually own. Cumulative cash flow (teal) is the running total of all after-tax rent (positive) or top-ups (negative) you've put in since day one.
What this shows
The yearly cash position after every cost and tax effect. Green bars = positive years (the property paid you). Red bars = years you had to top it up from your pocket. This is the most honest picture of what holding the property feels like on a year-to-year basis.
What this shows
Where every dollar of the projected sale price goes. Net to you is what lands in your bank account; the rest is consumed by loan payout, selling costs and capital gains tax. The CGT slice depends on which regime applies (50% discount, indexation + 30% min tax, or a split of the two).

What this shows
How fragile your outcome is to the capital-growth assumption — the single biggest swing factor in any property forecast. Each point on the line re-runs the entire model at a different growth rate. Where the line crosses the dashed zero, that's roughly the growth rate needed just to break even over your hold period.

What this shows
The same upfront cash invested four different ways, held the same number of years. The property includes all rent, costs, tax and the final sale (after CGT and loan payout). The ASX 200 ETF compounds at its assumed total return; the gold line compounds at gold's long-run average; the inflation line is what you need to just preserve your purchasing power. Any year the property bleeds cash, that shortfall is invested in the comparison asset too (so they get the same total dollars over the life of the deal). Gains on the comparison assets are taxed under the same 2026-Budget CGT regime that applies to shares and ETFs — the transitional split (50% discount on the pre-1 Jul 2027 portion, then cost-base indexation + 30% minimum tax on the post-1 Jul 2027 portion), since non-property assets are never grandfathered.
What this shows
The full year-by-year ledger. Cash flow is pre-tax (rent minus all cash costs); tax effect is the value of any deduction or the tax bill on net profit; after-tax is the actual dollars in or out of your account that year. Cumulative is the running total.

About this model

Reflects the 2026 Federal Budget proposals (announced 12 May 2026): from 1 July 2027, negative gearing on established residential property bought after 7:30pm 12 May 2026 can only offset rental income / residential property gains (excess losses carry forward), and the 50% CGT discount is replaced by cost-base indexation plus a 30% minimum tax on the real gain accruing after 1 July 2027. The CGT change applies to all CGT assets (shares, ETFs, gold, crypto), not just property, so the comparison assets are taxed on the same basis. New builds retain full negative gearing and the choice of the 50% discount. Properties contracted on/before 12 May 2026 are grandfathered. The main residence, superannuation funds and widely-held trusts are exempt. These are proposed rules that may change in legislation. Resident tax rates 2025–26 are used (incl. 2% Medicare levy). This is general information, not financial, tax or legal advice — consult a licensed adviser before acting.
Purchase Cost Calculator

The True Cost of Buying this Property

Beyond the sale price, Australian property buyers face stamp duty, legal fees, inspections, loan charges and more. Adjust the purchase price and your state to see the full picture.

Purchase Price
$850,000
AUD
$100K $5M
Property State
Your Situation
Total Additional Costs
On top of the $850,000 purchase price in NSW
Extra Costs
$52,000
All-In Cost
$902,000
% of Price
6.1%
How these figures are calculated

Stamp Duty (Transfer Duty): Calculated using each state's 2024–25 residential transfer duty brackets for owner-occupiers. First home buyer concessions and investor surcharges are applied where selected.

Lenders Mortgage Insurance (LMI): Estimated at approximately 1.5–2.5% of the loan amount, assuming an 85% LVR. Actual LMI depends on your lender, LVR and loan size.

Conveyancing / Legal Fees: Typical range of $1,500–$3,000 covering contract review, searches and settlement. We use a mid-range estimate.

Building & Pest Inspection: Typically $400–$800 combined for a standard residential property.

Loan Application & Mortgage Registration: Includes bank application fees ($300–$600), mortgage registration (state-based, usually $150–$230) and transfer registration fees.

Council & Water Rate Adjustments: Estimated at around 0.1% of the purchase price — the buyer typically reimburses the seller for pre-paid rates.

These estimates are indicative only. Always confirm exact figures with your conveyancer, broker and the relevant state revenue office before committing to a purchase.

Mortgage Calculator

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Buyer Fees Calculator

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Disclaimer: This calculator provides estimates only based on standard published rates for 2025-26. Actual stamp duty may vary based on individual circumstances, concession eligibility, and contract dates. LMI is a rough estimate only — actual premiums vary by lender, LVR, and loan size. Always verify with your state’s revenue office and seek professional advice before purchasing.

Mortgage Affordability & Borrowing Capacity Calculator

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Calculating…
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Disclaimer: This calculator provides an estimate only and does not constitute a quote or loan approval. Calculations are based on standard APRA guidelines (including a 3.0% interest rate assessment buffer) and 2025–26 Australian resident tax rates. Lenders may apply their own specific Household Expenditure Measure (HEM) rules, risk margins, and varying credit card assessment rates (typically 3.8% of the limit). Rental income is shaded to 80%. Always speak to a licensed mortgage broker or lender for an exact assessment.

Refinance Savings Calculator

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Disclaimer: This calculator provides estimates only. It assumes interest rates remain constant for the life of the loan and does not account for offset accounts or extra repayments. Refinance costs vary by lender and state (typically including a discharge fee, application fee, and government mortgage registration fees). If your loan balance is above 80% of your property's value, you may also be required to pay Lenders Mortgage Insurance (LMI) when refinancing. Always seek professional financial advice.

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