20 Biby Street, Tugun — Off-Market Report

The 10 sales behind that range — and every adjustment

A sale down the road is not evidence until it is adjusted for how it differs from this home. Here is each sale we used, what we changed, and by how much.

59 Toolona Street

Sold 29 April 2026 · 0.18 km away

Sold for

$1,540,000

Adjusted to this home

$1,585,736

What we added and subtracted to make this sale comparable to 20 Biby Street
Land size	this home 607 m² · comparable 405 m²	+$65,286
Bathrooms	this home 1 · comparable 2	−$48,000
Car spaces	this home 1 · comparable 2	−$28,000
Floor area	this home 117 m² · comparable 107 m²	+$20,000
Cladding	this home 2 · comparable 1	+$16,000
Micro-location	this home 0.0778 · comparable 0.0688	+$11,088
Year built	this home 1992 · comparable 1989	+$7,200
Distance to beach	this home 7.05 km · comparable 7.18 km	+$2,162
Net adjustment		+$45,736

A further 8 factors were compared and found the same on both properties, so no money moved.

47 Toolona Street

Sold 26 March 2026 · 0.24 km away

Sold for

$1,475,000

Adjusted to this home

$1,494,089

What we added and subtracted to make this sale comparable to 20 Biby Street
Land size	this home 607 m² · comparable 405 m²	+$65,286
Bathrooms	this home 1 · comparable 2	−$48,000
Year built	this home 1992 · comparable 1980	+$28,800
Floor area	this home 117 m² · comparable 130 m²	−$26,000
Micro-location	this home 0.0778 · comparable 0.0804	−$3,068
Distance to beach	this home 7.05 km · comparable 7.18 km	+$2,071
Net adjustment		+$19,089

A further 10 factors were compared and found the same on both properties, so no money moved.

14 Mirreen Drive

Sold 2 March 2026 · 0.70 km away

Sold for

$1,480,000

Adjusted to this home

$1,459,300

What we added and subtracted to make this sale comparable to 20 Biby Street
Land size	this home 607 m² · comparable 817 m²	−$67,872
Micro-location	this home 0.0778 · comparable 0.0291	+$57,661
Car spaces	this home 1 · comparable 2	−$28,000
Year built	this home 1992 · comparable 1986	+$14,400
Distance to beach	this home 7.05 km · comparable 7.62 km	+$9,111
Floor area	this home 117 m² · comparable 120 m²	−$6,000
Net adjustment		−$20,700

A further 10 factors were compared and found the same on both properties, so no money moved.

9 Morshead Street

Sold 1.14 km away

Sold for

$1,649,000

Adjusted to this home

$1,574,147

What we added and subtracted to make this sale comparable to 20 Biby Street
Micro-location	this home 0.0778 · comparable 0.15	−$95,246
Bedrooms	this home 3 · comparable 4	−$68,000
Floor area	this home 117 m² · comparable 92 m²	+$50,000
Bathrooms	this home 1 · comparable 2	−$48,000
Land size	this home 607 m² · comparable 496 m²	+$35,875
Year built	this home 1992 · comparable 1978	+$33,600
Distance to beach	this home 7.05 km · comparable 8.1 km	+$16,918
Net adjustment		−$74,853

A further 9 factors were compared and found the same on both properties, so no money moved.

16 Monash Street

Sold 13 August 2026 · 1.08 km away

Sold for

$1,255,000

Adjusted to this home

$1,415,125

What we added and subtracted to make this sale comparable to 20 Biby Street
Micro-location	this home 0.0778 · comparable 0.0121	+$65,963
Land size	this home 607 m² · comparable 405 m²	+$65,286
Floor area	this home 117 m² · comparable 97 m²	+$40,000
Year built	this home 1992 · comparable 2002	−$24,000
Distance to beach	this home 7.05 km · comparable 8.09 km	+$12,876
Net adjustment		+$160,125

A further 11 factors were compared and found the same on both properties, so no money moved.

3 Castle Court

Sold 22 April 2026 · 0.78 km away

Sold for

$1,680,000

Adjusted to this home

$1,506,732

What we added and subtracted to make this sale comparable to 20 Biby Street
Floor area	this home 117 m² · comparable 198 m²	−$162,000
Micro-location	this home 0.0778 · comparable -0.0065	+$113,299
Bathrooms	this home 1 · comparable 3	−$96,000
Car spaces	this home 1 · comparable 2	−$28,000
Year built	this home 1992 · comparable 1999	−$16,800
Distance to beach	this home 7.05 km · comparable 7.82 km	+$13,971
Land size	this home 607 m² · comparable 600 m²	+$2,262
Net adjustment		−$173,268

A further 9 factors were compared and found the same on both properties, so no money moved.

20 Biby Street

Sold 18 March 2026 · 0.00 km away

Sold for

$1,680,000

Adjusted to this home

$1,680,000

8 Costelloe Street

Sold 7 May 2026 · 0.53 km away

Sold for

$1,675,000

Adjusted to this home

$1,434,782

What we added and subtracted to make this sale comparable to 20 Biby Street
Floor area	this home 117 m² · comparable 158 m²	−$82,000
Bedrooms	this home 3 · comparable 4	−$68,000
Land size	this home 607 m² · comparable 808 m²	−$64,963
Bathrooms	this home 1 · comparable 2	−$48,000
Micro-location	this home 0.0778 · comparable 0.0502	+$36,984
Car spaces	this home 1 · comparable 2	−$28,000
Year built	this home 1992 · comparable 1988	+$9,600
Distance to beach	this home 7.05 km · comparable 7.28 km	+$4,161
Net adjustment		−$240,218

A further 8 factors were compared and found the same on both properties, so no money moved.

48 West Wyberba Street

Sold 17 June 2026 · 0.09 km away

Sold for

$1,800,000

Adjusted to this home

$1,564,367

What we added and subtracted to make this sale comparable to 20 Biby Street
Bathrooms	this home 1 · comparable 3	−$96,000
Bedrooms	this home 3 · comparable 4	−$68,000
Land size	this home 607 m² · comparable 405 m²	+$65,286
Floor area	this home 117 m² · comparable 147 m²	−$60,000
Year built	this home 1992 · comparable 2014	−$52,800
Car spaces	this home 1 · comparable 2	−$28,000
Micro-location	this home 0.0778 · comparable 0.0747	+$4,464
Distance to beach	this home 7.05 km · comparable 7.02 km	−$583
Net adjustment		−$235,633

A further 8 factors were compared and found the same on both properties, so no money moved.

24 Nangana Street

Sold 7 May 2026 · 0.33 km away

Sold for

$1,900,000

Adjusted to this home

$1,367,999

What we added and subtracted to make this sale comparable to 20 Biby Street
Land size	this home 607 m² · comparable 3853 m²	−$455,881
Floor area	this home 117 m² · comparable 159 m²	−$36,502
Bedrooms	this home 3 · comparable 4	−$29,549
Bathrooms	this home 1 · comparable 2	−$20,858
Micro-location	this home 0.0778 · comparable 0.0509	+$17,767
Car spaces	this home 1 · comparable 2	−$12,167
Cladding	this home 2 · comparable 1	+$6,953
Year built	this home 1992 · comparable 1996	−$4,172
Distance to beach	this home 7.05 km · comparable 7.32 km	+$2,408
Net adjustment		−$532,001

A further 7 factors were compared and found the same on both properties, so no money moved.

We are not claiming to be more accurate than anyone else. We are showing you the sales, the adjustments and the band they produce, so you can judge the number yourself.

Gold Coast homes sitting unsold for 60 to 180 days doubled from March to August. Where does 20 Biby Street sit?

Gold Coast homes listed for 60 to 180 days rose from 1,288 in March to 2,618 in August (SQM Research). A rising count of homes sitting unsold has historically been associated with downward pressure on asking prices.

But property markets do not move as one—and neither do individual homes.

We traced the estimated value of 20 Biby Street over the past 18 months, compared it with Tugun’s wider market, and examined the indicators most likely to reveal what happens next.

20 Biby Street

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The 10 sales behind that range — and every adjustment

59 Toolona Street

47 Toolona Street

14 Mirreen Drive

9 Morshead Street

16 Monash Street

3 Castle Court

20 Biby Street

8 Costelloe Street

48 West Wyberba Street

24 Nangana Street

Gold Coast homes sitting unsold for 60 to 180 days doubled from March to August. Where does 20 Biby Street sit?

Your home

See your home the way a buyer does

2 Monash Street

8 Illawarra Court

6 Taperell Drive

23 Wagawn Street

30 O'Connor Street

39A Dilgara Street

106 Illawarra Crescent

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