Agent price guide record · Z Realty Group Pty Ltd - GREGORY HILLS

Derek Stone

In the last two years, Derek Stone sold 10 properties with a published guide, finishing on average 0.5% above guide. The typical distance between guide and result, in either direction, was 3.7%.

+0.5%above guide

Average result against advertised guide, the last two years.

Data to 31 Aug 2026 · 10 sales with a published guide · Methodology

72th percentile

Results closer to guide than 72% of ranked Sydney agents (162nd of 588).

  • In Eagle Vale: +4.3% against +1.1% for the suburb overall
Typical miss
3.7%either direction
Sales with a guide
10the last two years
Median sale price
$1.02M
Median days on market
16
Sales recorded
10since 2025

Suburbs

Where they sell

Suburbs where Derek Stone sells
SuburbSalesTheir avg gapSuburb gap
Eagle Vale2+4.3% above guide+1.1% above guide
Heckenberg2+0.9% above guide—
Minto2+5.5% above guide−0.2% at guide
Narellan Vale2−5.2% below guide+0.6% above guide
Ingleburn1−2.9% below guide−1.4% below guide
Oran Park1−2.6% below guide−0.5% at guide

Their average gap in each suburb, beside the median gap for all sales there. How this is measured

Trend

Results against guide, month by month

Derek Stone: average gap between sale price and advertised guide, by monthAbove the guide line, sales finished above the advertised guide. Below it, under. The bars show how many sales each month is based on. Months with few sales swing more.

Average gap each month fewer than 5 sales

Derek Stone: average gap between sale price and advertised guide, by month
MonthGuide gapSales with a guide
Sep 2024No data0
Oct 2024No data0
Nov 2024No data0
Dec 2024No data0
Jan 2025No data0
Feb 2025No data0
Mar 2025No data0
Apr 2025No data0
May 2025No data0
Jun 2025No data0
Jul 2025No data0
Aug 2025No data0
Sep 2025No data0
Oct 2025−2.6% (below guide)1
Nov 2025+5.5% (above guide)2
Dec 2025No data0
Jan 2026No data0
Feb 2026+2.6% (above guide)4
Mar 2026No data0
Apr 2026−4.4% (below guide)3
May 2026No data0
Jun 2026No data0
Jul 2026No data0
Aug 2026No data0

Sold

Recent results

Recent sales by Derek Stone with guide and result
PropertySoldGuideResultGap
7 Irwin CtHouse · Narellan Vale30 Apr 2026—$1.07MGuide midpoint$1.02M−5.2% below guide
12/62-64 Macquarie RdUnit · Ingleburn10 Apr 2026—$800kGuide midpoint$777k−2.9% below guide
7 Irwin CtHouse · Narellan Vale1 Apr 2026—$1.07MGuide midpoint$1.02M−5.2% below guide
13 Cabramurra StHouse · Heckenberg24 Feb 2026—$1.34MGuide midpoint$1.35M+0.9% above guide
4 Axinite PlHouse · Eagle Vale13 Feb 2026—$925kGuide midpoint$965k+4.3% above guide
13 Cabramurra StHouse · Heckenberg10 Feb 2026—$1.34MGuide midpoint$1.35M+0.9% above guide
4 Axinite PlHouse · Eagle Vale1 Feb 2026—$925kGuide midpoint$965k+4.3% above guide
11 Piper WayHouse · Minto14 Nov 2025—$1.02MGuide midpoint$1.08M+5.5% above guide
11 Piper WayHouse · Minto1 Nov 2025—$1.02MGuide midpoint$1.08M+5.5% above guide
06/4 Fordham WayUnit · Oran Park22 Oct 2025—$770kGuide midpoint$750k−2.6% below guide

These figures measure how sale prices compared with advertised guides. A result above guide can reflect strong competition on the day as much as the guide itself. How this is measured