21 Dudley StreetSemaphore SA 5019
Property Details for 21 Dudley St, Semaphore
Last Listing description (June 2026)
Positioned within one of Semaphore's most tightly held coastal pockets, this c.1910 character home presents a rare opportunity to secure a substantial landholding and create something truly special. Set on approximately 487sqm, the property offers endless potential for those with vision, whether that be restoring its original charm, undertaking a significant renovation, or exploring redevelopment opportunities (STCC).
Rich in history and character, the home stands as a reminder of Semaphore's early architectural heritage, waiting for its next chapter to be written. Opportunities to secure a property of this era, on a well-sized allotment and just moments from the coastline, are becoming increasingly difficult to find.
Adding further appeal is the valuable rear lane access, providing flexibility and convenience that is rarely available in such a sought-after beachside location. Whether you're a renovator, builder, developer or buyer searching for a long-term project, this is a property that offers genuine scope to add value and create something remarkable.
Things You'll Love
? Character home dating back to circa 1910
? Generous 487sqm allotment (approx.)
? Valuable rear lane access
? Outstanding renovation opportunity
? Potential redevelopment possibilities (STCC)
? Rare opportunity in a tightly held location
? Moments from Semaphore Beach
? Endless potential to restore, renovate or reimagine
Semaphore continues to be one of Adelaide's most loved seaside destinations, renowned for its vibrant community atmosphere, beautiful coastline and relaxed lifestyle. Enjoy easy access to Semaphore Beach, the cafés, restaurants and boutiques of Semaphore Road, local schools, parks and convenient public transport options, all just moments from your doorstep.
A rare chance to secure a piece of Semaphore's history and shape its future.
Purchaser Portal:
Our purchaser portal gives you access to all key property documentation, including the Form 1 (Vendor Statement), Form R3 (Buyer Information Notice), and the templated Contract of Sale. Once registered, you'll also be able to complete and submit an offer using our digital offer form. Access the purchaser portal by following the link provided below:
https://portal.reaforms.com.au/purchaser/21-dudley-street-semaphore-sa-5019-0fxgvkm9ek8j2ahbcb1uoknoz
For more information:
Please contact the selling agent/s directly, we welcome any enquiry on this exciting property listing.
*If a land size is quoted it is an approximation only. You must make your own enquiries as to this figure's accuracy. Denham Morris Realty Pty Ltd RLA: 343783 does not guarantee the accuracy of these measurements. All development enquiries and site requirements should be directed to the local govt. authority.
*Purchasers should conduct their own due diligence and any information provided here is a guide and should not be relied upon.
Property History for 21 Dudley St, Semaphore, SA 5019
- 29 Jun 2026Sold for $810,000
- 04 Jun 2026Listed for Sale Contact Agent
- 18 Dec 2025Transferred for $300,000
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About Semaphore 5019
The size of Semaphore is approximately 1.2 square kilometres. There are 4 parks, covering nearly 6.6% of the total area. The population of Semaphore in 2016 was 2764 people. By 2021 the population was 2749 showing a population decline of 0.5% in the area during that time. The predominant age group in Semaphore is 50-59 years. Households in Semaphore are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Semaphore work in a professional occupation.In 2021, 68.20% of the homes in Semaphore were owner-occupied compared with 67.30% in 2016.
Semaphore has 1,514 properties. Over the last 5 years, Houses in Semaphore have seen a 64.83% increase in median value, while Units have seen a 109.18% increase. As at 30 June 2026:
- The median value for Houses in Semaphore is $1,205,248 while the median value for Units is $726,228.
- Houses have a median rent of $723 while Units have a median rent of $515.
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