4/18-20 King William Street, Adelaide, SA 5000 sold on 12 August 2025 | OnTheHouse
SOLD
Sold on 12 Aug 2025 for $6,925,500

4/18-20 King William Street
Adelaide SA 5000

Bedrooms: -
Bathrooms: -
Car spaces: -
Floor area: 115m2
Land area: 528m2
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Property Details for 4/18-20 King William St, Adelaide

Building Type
Commercial
Floor Size
115m2
Land Size
528m2
Local Government
Adelaide
Lot/Plan
F4/C20466

Last Listing description (February 2017)

115 square metres is available on Level 4 of 20 King William Street.
It is perfectly located being 100 metres from Rundle Mall and in walking distance to Adelaide's hospital and research precincts.
A sensational office tenancy afforded with a full fitout including workstations, meeting room and reception.

Located at the front of the building, it features terrific natural light.
Available for immediate occupation with the ability for one on-site car park.
Lease Term: Negotiable
Options: Negotiable
Rent Reviews: Negotiable

Property History for 4/18-20 King William St, Adelaide, SA 5000

A timeline of how this property has performed in the market
Last Sold
$6,925,500
12 Aug 2025
Listed for Rent
27 Feb 2017
  • 12 Aug 2025
    Sold for $6,925,500
  • 10 Jan 2017
    Listed for Rent $43,700 / year
  • 27 Jun 2016
    Listed for Rent $43,700 / year
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About Adelaide 5000

The size of Adelaide is approximately 10.2 square kilometres. It has 42 parks covering nearly 50.5% of total area. The population of Adelaide in 2016 was 15115 people. By 2021 the population was 18202 showing a population growth of 20.4% in the area during that time. The predominant age group in Adelaide is 20-29 years. Households in Adelaide are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Adelaide work in a professional occupation.In 2021, 32.50% of the homes in Adelaide were owner-occupied compared with 32.40% in 2016.

Adelaide has 18,712 properties. Over the last 5 years, Houses in Adelaide have seen a 49.03% increase in median value, while Units have seen a 34.05% increase. As at 31 January 2026:

  • The median value for Houses in Adelaide is $1,207,276 while the median value for Units is $568,990.
  • Houses have a median rent of $650 while Units have a median rent of $620.
There are currently 140 properties listed for sale, and 96 properties listed for rent in Adelaide on OnTheHouse. According to Cotality's data, 1231 properties were sold in the past 12 months in Adelaide.

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Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.