Sea Avenue Mansions
A 20-unit freehold apartment in D15, completed in 1997. Developed by Unibuild Development Pte Ltd.
Source: Condo master (URA caveats); URA transactions, Nov 2026
What brings you to Sea Avenue Mansions?
Buying here? Get a second opinion. The median sale price here over the last 12 months was $1.37M, across 2 sales. Our consultants can run the numbers against your budget: which stack, what to pay, what to avoid. Free for buyers of private property.
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Own a unit here? See what it’s worth. Units here sold at a median $1,711 psf over the last 12 months, across 2 sales. Find out where yours sits, and what your options are.
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Comparing condos? There are over 60 other condos within 2 km of Sea Avenue Mansions. Send us your shortlist and we’ll lay the numbers side by side. Free for buyers of private property.
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Sea Avenue Mansions prices
Show as a table
| Year | This condo | D15 average |
|---|---|---|
| 2026 | $1,711 | $2,176 |
| 2024 | $1,908 | $2,320 |
| 2023 | $1,535 | $2,227 |
| 2016 | $1,340 | $1,280 |
| 2010 | $990 | $1,130 |
| 2009 | $824 | $884 |
| 2008 | $681 | $888 |
| 2007 | $730 | $910 |
| 1999 | $531 | $631 |
| 1997 | $779 | $710 |
| 1996 | $754 | $784 |
| 1995 | $705 | $696 |
Show as a table
| Year | Resale | Total |
|---|---|---|
| 2026 | 2 | 2 |
| 2025 | 0 | 0 |
| 2024 | 1 | 1 |
| 2023 | 1 | 1 |
| 2022 | 0 | 0 |
| 2021 | 0 | 0 |
| 2020 | 0 | 0 |
| 2019 | 0 | 0 |
| 2018 | 0 | 0 |
| 2017 | 0 | 0 |
| 2016 | 1 | 1 |
| 2015 | 0 | 0 |
| 2014 | 0 | 0 |
| 2013 | 0 | 0 |
| 2012 | 0 | 0 |
| 2011 | 0 | 0 |
| 2010 | 1 | 1 |
| 2009 | 2 | 2 |
| 2008 | 1 | 1 |
| 2007 | 1 | 1 |
Prices by bedroom type are based on matching sales to unit sizes.
Source: URA caveats, Nov 2026. The 2026 averages cover Jan–Nov.
Near Sea Avenue Mansions
Walking times and distances are estimates from OneMap walking routes; a station without a walking time shows the straight-line distance. Check OneMap for your exact route.
Distances are straight-line, which is what the 1 km and 2 km bands refer to; walking times are estimates from OneMap walking routes. Check the MOE website for confirmation.
Source: OneMap walking routes, Nov 2026
Condos and supply around Sea Avenue Mansions
Source: URA transactions; URA land sales; OneMap distances, Nov 2026
Read more about Sea Avenue Mansions
May 2021
A Detailed List Of 287 Freehold Condos With En Bloc Potential In 2021 (Part 2)
Feb 2018
Buy now, en bloc later: 201 freehold homes you don't want to miss out on (Part 2)
Sep 2025
District 15 Resale vs New Launch Condos – Analysing Price Gaps for Larger Family Units
Source: Stacked Homes editorial
Questions about Sea Avenue Mansions
Is Sea Avenue Mansions freehold?
Yes. Sea Avenue Mansions is a freehold apartment.
When was Sea Avenue Mansions completed?
1997.
How many units does Sea Avenue Mansions have?
20 units.
What is the price psf at Sea Avenue Mansions?
2 sales in the last 12 months averaged $1,711 psf, ranging from $1,660 to $1,762 psf.
What did the latest sale go for?
A 936 sq ft unit sold for $1.65M ($1,762 psf) on 23 Jun 2026.
What is the nearest MRT station?
Marine Parade (TE), a 5-minute walk (440 m). Marine Terrace (TE) is 1000 m away.
Which primary schools are within 1 km?
CHIJ (Katong) Primary, 500 m away, Tao Nan School, 540 m away, Tanjong Katong Primary School, 750 m away and Haig Girls' School, 830 m away.
Who developed Sea Avenue Mansions?
Unibuild Development Pte Ltd.
Answers generated from the data on this page, Nov 2026