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Observer Drive, WD18

Street in Watford

Median, last 3 years
£331,000
12 sales, Jun 2023 – May 2026
Last standard sale
£237,000
24 Apr 2026
Standard sales
130
since 2003

By property type, Jun 2023 – May 2026: Flats median £313,500 (10 sales) · Detached sold for £710,000 · Terraced sold for £515,000

Figures count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but flagged.

Sale history (133 records · 44 homes sold more than once)

Address Price
FLAT 3, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 24 Apr 2026 · Flat / maisonette
Previously £237,500 (Sep 2021) · 0%
£237,000
4, OBSERVER DRIVE
WD18 7GR · 27 Nov 2025 · Terraced
Previously £320,000 (Jan 2007) · +61%
£515,000
FLAT 8, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 11 Nov 2025 · Flat / maisonette
Previously £242,960 (Jan 2006) · +19%
£290,000
FLAT 1, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 3 Jul 2025 · Flat / maisonette
Previously £165,000 (May 2014) · +33%
£220,000
FLAT 16, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 20 Jun 2025 · Flat / maisonette
Previously £369,950 (Nov 2016) · −7%
£344,000
FLAT 23, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 15 May 2025 · Flat / maisonette
Previously £315,000 (Nov 2015) · −3%
£305,000
FLAT 6, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 28 Mar 2025 · Flat / maisonette
Previously £231,500 (Jan 2019) · −1%
£230,000
FLAT 24, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 6 Jan 2025 · Flat / maisonette
Previously £225,000 (Jun 2012) · +51%
£340,000
FLAT 9, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 26 Nov 2024 · Flat / maisonette
Previously £211,100 (Jul 2005) · +63%
£345,000
FLAT 10, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 16 Aug 2024 · Flat / maisonette
Previously £205,000 (Jan 2006) · +66%
£340,000
3, OBSERVER DRIVE
WD18 7GR · 25 Jun 2024 · Detached
Previously £396,000 (Aug 2011) · +79%
£710,000
FLAT 11, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 28 Nov 2023 · Flat / maisonette
Previously £215,000 (Apr 2006) · +50%
£322,000
FLAT 3, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 4 Nov 2022 · Flat / maisonette
Previously £249,999 (Aug 2013) · +34%
£335,000
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 28 Jul 2022 · Flat / maisonette
Previously £238,000 (Nov 2011) · +53%
£365,000
FLAT 17, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 3 May 2022 · Flat / maisonette
Previously £305,000 (Dec 2014) · +17%
£358,000
FLAT 5, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 9 Dec 2021 · Flat / maisonette
Previously £237,500 (Oct 2007) · +38%
£328,000
FLAT 29, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 29 Oct 2021 · Flat / maisonette
Previously £230,000 (Jan 2013) · +41%
£325,000
FLAT 8, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 28 Sep 2021 · Flat / maisonette
Previously £235,000 (Apr 2013) · +43%
£335,000
FLAT 3, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 6 Sep 2021 · Flat / maisonette
Previously £183,000 (Mar 2014) · +30%
£237,500
FLAT 1, KNIGHTSBRIDGE COURT, OBSERVER DRIVE Cat B
WD18 7GE · 23 Jul 2021 · Flat / maisonette
Previously £220,000 (Apr 2006)
£281,500
FLAT 15, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 18 Jun 2021 · Flat / maisonette
Previously £230,000 (Mar 2010) · +40%
£322,500
FLAT 12, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 14 May 2021 · Flat / maisonette
Previously £249,995 (Aug 2005) · +50%
£375,000
FLAT 28, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 25 Mar 2021 · Flat / maisonette
Previously £247,000 (Jan 2008) · +30%
£320,000
FLAT 4, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 10 Dec 2020 · Flat / maisonette
Previously £222,000 (Oct 2015) · +10%
£245,000
FLAT 7, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 9 Jul 2020 · Flat / maisonette
Previously £72,900 (Apr 2014) · +216%
£230,000
FLAT 18, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 17 Apr 2020 · Flat / maisonette
Previously £243,500 (Oct 2013) · +36%
£332,000
FLAT 4, KNIGHTSBRIDGE COURT, OBSERVER DRIVE Cat B
WD18 7GE · 22 Mar 2019 · Flat / maisonette
Previously £240,000 (Nov 2007)
£292,500
FLAT 6, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 8 Jan 2019 · Flat / maisonette
Previously £190,000 (Jul 2014) · +22%
£231,500
FLAT 13, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 3 Dec 2018 · Flat / maisonette
Previously £243,500 (Nov 2013) · +38%
£337,000
FLAT 3, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 10 Aug 2018 · Flat / maisonette
Previously £230,000 (Jul 2005) · +41%
£325,000
7, OBSERVER DRIVE
WD18 7GR · 27 Jan 2017 · Terraced
Previously £350,000 (Jul 2005) · +70%
£595,000
FLAT 16, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 29 Nov 2016 · Flat / maisonette
Previously £231,935 (Aug 2005) · +60%
£369,950
FLAT 2, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 12 Aug 2016 · Flat / maisonette
Previously £82,500 (May 2007) · +59%
£131,000
FLAT 7, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 26 Feb 2016 · Flat / maisonette
Previously £240,000 (Oct 2005) · +44%
£345,000
FLAT 23, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 3 Nov 2015 · Flat / maisonette
Previously £236,700 (Feb 2006) · +33%
£315,000
FLAT 4, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 13 Oct 2015 · Flat / maisonette
Previously £158,000 (Sep 2013) · +41%
£222,000
FLAT 19, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 23 Sep 2015 · Flat / maisonette
Previously £231,500 (Aug 2013) · +30%
£300,000
FLAT 5, GLOUCESTER COURT, OBSERVER DRIVE Cat B
WD18 7GF · 28 May 2015 · Flat / maisonette
£198,000
FLAT 4, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 23 Feb 2015 · Flat / maisonette
Previously £230,000 (May 2011) · +24%
£286,000
9, OBSERVER DRIVE
WD18 7GR · 12 Feb 2015 · Terraced
Previously £340,000 (Dec 2005) · +46%
£495,000
FLAT 17, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 3 Dec 2014 · Flat / maisonette
Previously £239,000 (Jul 2005) · +28%
£305,000
FLAT 6, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 18 Jul 2014 · Flat / maisonette
Previously £81,000 (May 2009) · +135%
£190,000
FLAT 6, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 27 Jun 2014 · Flat / maisonette
Previously £230,000 (Jul 2005) · +9%
£249,950
FLAT 1, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 30 May 2014 · Flat / maisonette
Previously £147,500 (Nov 2009) · +12%
£165,000
FLAT 7, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 11 Apr 2014 · Flat / maisonette
£72,900
FLAT 3, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 31 Mar 2014 · Flat / maisonette
£183,000
FLAT 14, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 18 Mar 2014 · Flat / maisonette
Previously £250,000 (Dec 2006) · −3%
£243,000
FLAT 13, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 29 Nov 2013 · Flat / maisonette
Previously £223,325 (Dec 2005) · +9%
£243,500
FLAT 5, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 22 Nov 2013 · Flat / maisonette
Previously £239,995 (Jan 2006) · 0%
£240,000
FLAT 9, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 5 Nov 2013 · Flat / maisonette
Previously £226,000 (Dec 2005) · +9%
£246,000
FLAT 18, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 11 Oct 2013 · Flat / maisonette
Previously £230,000 (Oct 2009) · +6%
£243,500
FLAT 4, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 20 Sep 2013 · Flat / maisonette
£158,000
FLAT 3, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 30 Aug 2013 · Flat / maisonette
Previously £215,000 (Jan 2006) · +16%
£249,999
FLAT 19, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 12 Aug 2013 · Flat / maisonette
Previously £210,000 (Jun 2006) · +10%
£231,500
FLAT 8, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 16 Apr 2013 · Flat / maisonette
Previously £232,000 (Jul 2005) · +1%
£235,000
FLAT 16, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 8 Feb 2013 · Flat / maisonette
Previously £243,995 (Feb 2006) · −4%
£235,000
FLAT 29, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 11 Jan 2013 · Flat / maisonette
Previously £218,775 (Mar 2006) · +5%
£230,000
FLAT 24, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 8 Jun 2012 · Flat / maisonette
Previously £237,500 (Mar 2006) · −5%
£225,000
FLAT 17, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 9 Mar 2012 · Flat / maisonette
Previously £222,000 (May 2006) · +6%
£235,000
FLAT 7, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 19 Dec 2011 · Flat / maisonette
Previously £232,500 (Feb 2006) · +1%
£235,000
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 8 Nov 2011 · Flat / maisonette
Previously £249,950 (Aug 2007) · −5%
£238,000
3, OBSERVER DRIVE
WD18 7GR · 10 Aug 2011 · Detached
Previously £370,000 (Jan 2006) · +7%
£396,000
FLAT 4, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 16 May 2011 · Flat / maisonette
Previously £218,000 (Dec 2005) · +6%
£230,000
FLAT 11, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 24 May 2010 · Flat / maisonette
Previously £212,000 (Feb 2006) · +7%
£226,000
FLAT 15, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 18 Mar 2010 · Flat / maisonette
Previously £235,000 (Jul 2005) · −2%
£230,000
FLAT 1, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 18 Nov 2009 · Flat / maisonette
£147,500
FLAT 18, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 15 Oct 2009 · Flat / maisonette
Previously £237,000 (Mar 2006) · −3%
£230,000
FLAT 6, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 26 May 2009 · Flat / maisonette
£81,000
6, OBSERVER DRIVE
WD18 7GR · 3 Apr 2009 · Detached
Previously £242,495 (Apr 2005) · +3%
£248,750
FLAT 28, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 11 Jan 2008 · Flat / maisonette
Previously £208,205 (Mar 2006) · +19%
£247,000
FLAT 4, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 9 Nov 2007 · Flat / maisonette
Previously £232,000 (Jul 2005) · +3%
£240,000
FLAT 5, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 24 Oct 2007 · Flat / maisonette
Previously £235,000 (Jul 2005) · +1%
£237,500
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 10 Aug 2007 · Flat / maisonette
Previously £230,000 (Jul 2005) · +9%
£249,950
FLAT 8, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 3 Jul 2007 · Flat / maisonette
£82,500
FLAT 2, GLOUCESTER COURT, OBSERVER DRIVE
WD18 7GF · 31 May 2007 · Flat / maisonette
£82,500
FLAT 26, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 16 May 2007 · Flat / maisonette
Previously £237,500 (Mar 2006) · +4%
£247,000
4, OBSERVER DRIVE
WD18 7GR · 9 Jan 2007 · Terraced
Previously £315,000 (Dec 2004) · +2%
£320,000
FLAT 14, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 22 Dec 2006 · Flat / maisonette
Previously £223,500 (Aug 2005) · +12%
£250,000
FLAT 19, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 30 Jun 2006 · Flat / maisonette
£210,000
FLAT 14, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 26 May 2006 · Flat / maisonette
£205,000
FLAT 17, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 26 May 2006 · Flat / maisonette
£222,000
FLAT 15, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 25 May 2006 · Flat / maisonette
£220,000
FLAT 1, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 28 Apr 2006 · Flat / maisonette
£220,000
FLAT 11, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 7 Apr 2006 · Flat / maisonette
£215,000
FLAT 18, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 31 Mar 2006 · Flat / maisonette
£237,000
FLAT 28, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 31 Mar 2006 · Flat / maisonette
£208,205
FLAT 30, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 31 Mar 2006 · Flat / maisonette
£229,500
FLAT 29, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Mar 2006 · Flat / maisonette
£218,775
FLAT 27, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 23 Mar 2006 · Flat / maisonette
£247,500
FLAT 24, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 20 Mar 2006 · Flat / maisonette
£237,500
FLAT 26, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 15 Mar 2006 · Flat / maisonette
£237,500
FLAT 23, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£236,700
FLAT 16, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£243,995
FLAT 12, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£235,000
FLAT 25, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£216,000
FLAT 6, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£240,000
FLAT 21, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£229,500
FLAT 20, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£209,995
FLAT 22, MAYFAIR COURT, OBSERVER DRIVE
WD18 7GA · 24 Feb 2006 · Flat / maisonette
£242,500
FLAT 11, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
WD18 7GE · 17 Feb 2006 · Flat / maisonette
£212,000

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.