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House prices in Observer Drive, Watford, WD18

130 homes have sold on Observer Drive (WD18) since 1995, the first in 2003. Over the last five years the median sold price was £331,500 from 20 sales, 25% below the Watford median of £440,000and against £375,000 across WD18. Sales here have been flats 88%, terraced 7%, detached 5%.

Median sold price
£331,500
last five years · 20 sales
Half of sales were above this price, half below
Price per sq ft
£415
based on 20 of 20 sales
Sales matched to an EPC floor area
Sales since 1995
130
5 in the last 12 months
Latest sale
£237,000
24 Apr 2026
vs Watford
−25%
Watford median £440,000

Every sale on Observer Drive, WD18

Flat 3, Gloucester Court WD18 7GF · Flats £237,000· 24 Apr 2026 · 3 sales
24 Apr 2026£237,000Flats · Leasehold570 sq ft · £415/sq ftfirst recorded sale
6 Sept 2021£237,500Flats · Leasehold570 sq ft · £416/sq ft+30% vs 2014
31 Mar 2014£183,000Flats · Leasehold570 sq ft · £321/sq ft−23% vs 2026
4 WD18 7GR · Terraced £515,000· 27 Nov 2025 · 3 sales
27 Nov 2025£515,000Terraced · Freehold1,087 sq ft · £474/sq ft+63% vs 2004
9 Jan 2007£320,000Terraced · Freehold1,087 sq ft · £294/sq ft−38% vs 2025
17 Dec 2004£315,000Terraced · Freehold · New build1,087 sq ft · £290/sq ftfirst recorded sale
Flat 8, Mayfair Court WD18 7GA · Flats £290,000· 11 Nov 2025 · 2 sales
11 Nov 2025£290,000Flats · Leasehold700 sq ft · £414/sq ft+19% vs 2006
31 Jan 2006£242,960Flats · Leasehold · New build700 sq ft · £347/sq ftfirst recorded sale
Flat 1, Gloucester Court WD18 7GF · Flats £220,000· 3 Jul 2025 · 3 sales
3 Jul 2025£220,000Flats · Leasehold517 sq ft · £426/sq ft+33% vs 2014
30 May 2014£165,000Flats · Leasehold517 sq ft · £319/sq ftfirst recorded sale
18 Nov 2009£147,500Flats · Leasehold517 sq ft · £285/sq ft−33% vs 2025
Flat 16, Knightsbridge Court WD18 7GE · Flats £344,000· 20 Jun 2025 · 3 sales
20 Jun 2025£344,000Flats · Leasehold753 sq ft · £457/sq ft+48% vs 2005
29 Nov 2016£369,950Flats · Leasehold753 sq ft · £491/sq ft+8% vs 2025
26 Aug 2005£231,935Flats · Leasehold · New build753 sq ft · £308/sq ftfirst recorded sale
Flat 23, Mayfair Court WD18 7GA · Flats £305,000· 15 May 2025 · 3 sales
15 May 2025£305,000Flats · Leasehold807 sq ft · £378/sq ft+29% vs 2006
3 Nov 2015£315,000Flats · Leasehold807 sq ft · £390/sq ft+3% vs 2025
24 Feb 2006£236,700Flats · Leasehold · New build807 sq ft · £293/sq ftfirst recorded sale
Flat 6, Gloucester Court WD18 7GF · Flats £230,000· 28 Mar 2025 · 4 sales
28 Mar 2025£230,000Flats · Leasehold570 sq ft · £403/sq ft+21% vs 2014
8 Jan 2019£231,500Flats · Leasehold570 sq ft · £406/sq ft+1% vs 2025
18 Jul 2014£190,000Flats · Leasehold570 sq ft · £333/sq ftfirst recorded sale
26 May 2009£81,000Flats · Leasehold570 sq ft · £142/sq ft−65% vs 2019
Flat 24, Mayfair Court WD18 7GA · Flats £340,000· 6 Jan 2025 · 3 sales
6 Jan 2025£340,000Flats · Leasehold840 sq ft · £405/sq ft+51% vs 2012
8 Jun 2012£225,000Flats · Leasehold840 sq ft · £268/sq ftfirst recorded sale
20 Mar 2006£237,500Flats · Leasehold · New build840 sq ft · £283/sq ft−30% vs 2025
Flat 9, Knightsbridge Court WD18 7GE · Flats £345,000· 26 Nov 2024 · 2 sales
26 Nov 2024£345,000Flats · Leasehold764 sq ft · £451/sq ft+63% vs 2005
29 Jul 2005£211,100Flats · Leasehold · New build764 sq ft · £276/sq ftfirst recorded sale
Flat 10, Mayfair Court WD18 7GA · Flats £340,000· 16 Aug 2024 · 2 sales
16 Aug 2024£340,000Flats · Leasehold710 sq ft · £479/sq ftfirst recorded sale
27 Jan 2006£205,000Flats · Leasehold · New build710 sq ft · £289/sq ft−40% vs 2024
3 WD18 7GR · Detached £710,000· 25 Jun 2024 · 3 sales
25 Jun 2024£710,000Detached · Freehold1,905 sq ft · £373/sq ft+92% vs 2006
10 Aug 2011£396,000Detached · Freehold1,905 sq ft · £208/sq ft−44% vs 2024
20 Jan 2006£370,000Detached · Freehold · New build1,905 sq ft · £194/sq ftfirst recorded sale
Flat 11, Mayfair Court WD18 7GA · Flats £322,000· 28 Nov 2023 · 2 sales
28 Nov 2023£322,000Flats · Leasehold721 sq ft · £446/sq ft+50% vs 2006
7 Apr 2006£215,000Flats · Leasehold · New build721 sq ft · £298/sq ftfirst recorded sale
Flat 3, Mayfair Court WD18 7GA · Flats £335,000· 4 Nov 2022 · 3 sales
4 Nov 2022£335,000Flats · Leasehold807 sq ft · £415/sq ft+56% vs 2006
30 Aug 2013£249,999Flats · Leasehold807 sq ft · £310/sq ftfirst recorded sale
27 Jan 2006£215,000Flats · Leasehold · New build807 sq ft · £266/sq ft−14% vs 2013
Flat 13, Knightsbridge Court WD18 7GE · Flats £365,000· 28 Jul 2022 · 4 sales
28 Jul 2022£365,000Flats · Leasehold732 sq ft · £499/sq ft+59% vs 2005
8 Nov 2011£238,000Flats · Leasehold732 sq ft · £325/sq ft−35% vs 2022
10 Aug 2007£249,950Flats · Leasehold732 sq ft · £341/sq ftfirst recorded sale
15 Jul 2005£230,000Flats · Leasehold · New build732 sq ft · £314/sq ft−8% vs 2007
Flat 17, Knightsbridge Court WD18 7GE · Flats £358,000· 3 May 2022 · 3 sales
3 May 2022£358,000Flats · Leasehold926 sq ft · £387/sq ft+50% vs 2005
3 Dec 2014£305,000Flats · Leasehold926 sq ft · £329/sq ft−15% vs 2022
14 Jul 2005£239,000Flats · Leasehold · New build926 sq ft · £258/sq ftfirst recorded sale
Flat 5, Knightsbridge Court WD18 7GE · Flats £328,000· 9 Dec 2021 · 3 sales
9 Dec 2021£328,000Flats · Leasehold818 sq ft · £401/sq ftfirst recorded sale
24 Oct 2007£237,500Flats · Leasehold818 sq ft · £290/sq ft+1% vs 2005
26 Jul 2005£235,000Flats · Leasehold · New build818 sq ft · £287/sq ft−28% vs 2021
Flat 29, Mayfair Court WD18 7GA · Flats £325,000· 29 Oct 2021 · 3 sales
29 Oct 2021£325,000Flats · Leasehold786 sq ft · £414/sq ft+49% vs 2006
11 Jan 2013£230,000Flats · Leasehold786 sq ft · £293/sq ftfirst recorded sale
24 Mar 2006£218,775Flats · Leasehold · New build786 sq ft · £278/sq ft−5% vs 2013
Flat 8, Knightsbridge Court WD18 7GE · Flats £335,000· 28 Sept 2021 · 3 sales
28 Sept 2021£335,000Flats · Leasehold764 sq ft · £438/sq ft+43% vs 2013
16 Apr 2013£235,000Flats · Leasehold764 sq ft · £307/sq ft+1% vs 2005
29 Jul 2005£232,000Flats · Leasehold · New build764 sq ft · £304/sq ftfirst recorded sale
Flat 1, Knightsbridge Court WD18 7GE · Flats £281,500· 23 Jul 2021 · 2 sales
23 Jul 2021£281,500Flats · Leasehold710 sq ft · £396/sq ft+28% vs 2006
Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages.
28 Apr 2006£220,000Flats · Leasehold · New build710 sq ft · £310/sq ftfirst recorded sale
Flat 15, Knightsbridge Court WD18 7GE · Flats £322,500· 18 Jun 2021 · 3 sales
18 Jun 2021£322,500Flats · Leasehold850 sq ft · £379/sq ft+37% vs 2005
18 Mar 2010£230,000Flats · Leasehold850 sq ft · £270/sq ft−29% vs 2021
29 Jul 2005£235,000Flats · Leasehold · New build850 sq ft · £276/sq ftfirst recorded sale
Flat 12, Knightsbridge Court WD18 7GE · Flats £375,000· 14 May 2021 · 2 sales
14 May 2021£375,000Flats · Leasehold926 sq ft · £405/sq ft+50% vs 2005
26 Aug 2005£249,995Flats · Leasehold · New build926 sq ft · £270/sq ftfirst recorded sale
Flat 28, Mayfair Court WD18 7GA · Flats £320,000· 25 Mar 2021 · 3 sales
25 Mar 2021£320,000Flats · Leasehold732 sq ft · £437/sq ft+54% vs 2006
11 Jan 2008£247,000Flats · Leasehold732 sq ft · £337/sq ftfirst recorded sale
31 Mar 2006£208,205Flats · Leasehold · New build732 sq ft · £284/sq ft−16% vs 2008
Flat 4, Gloucester Court WD18 7GF · Flats £245,000· 10 Dec 2020 · 3 sales
10 Dec 2020£245,000Flats · Leasehold570 sq ft · £429/sq ft+55% vs 2013
13 Oct 2015£222,000Flats · Leasehold570 sq ft · £389/sq ft−9% vs 2020
20 Sept 2013£158,000Flats · Leasehold570 sq ft · £277/sq ftfirst recorded sale
Flat 7, Gloucester Court WD18 7GF · Flats £230,000· 9 Jul 2020 · 2 sales
9 Jul 2020£230,000Flats · Leasehold570 sq ft · £403/sq ft+216% vs 2014
11 Apr 2014£72,900Flats · Leasehold570 sq ft · £128/sq ftfirst recorded sale
Flat 18, Mayfair Court WD18 7GA · Flats £332,000· 17 Apr 2020 · 4 sales
17 Apr 2020£332,000Flats · Leasehold732 sq ft · £454/sq ftfirst recorded sale
11 Oct 2013£243,500Flats · Leasehold732 sq ft · £333/sq ft+3% vs 2006
15 Oct 2009£230,000Flats · Leasehold732 sq ft · £314/sq ft−6% vs 2013
31 Mar 2006£237,000Flats · Leasehold · New build732 sq ft · £324/sq ft−29% vs 2020
Flat 4, Knightsbridge Court WD18 7GE · Flats £292,500· 22 Mar 2019 · 3 sales
22 Mar 2019£292,500Flats · Leasehold743 sq ft · £394/sq ftfirst recorded sale
Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages.
9 Nov 2007£240,000Flats · Leasehold743 sq ft · £323/sq ft−18% vs 2019
26 Jul 2005£232,000Flats · Leasehold · New build743 sq ft · £312/sq ft−3% vs 2007
Flat 13, Mayfair Court WD18 7GA · Flats £337,000· 3 Dec 2018 · 3 sales
3 Dec 2018£337,000Flats · Leasehold786 sq ft · £429/sq ft+38% vs 2013
29 Nov 2013£243,500Flats · Leasehold786 sq ft · £310/sq ftfirst recorded sale
22 Dec 2005£223,325Flats · Leasehold · New build786 sq ft · £284/sq ft−34% vs 2018
Flat 3, Knightsbridge Court WD18 7GE · Flats £325,000· 10 Aug 2018 · 2 sales
10 Aug 2018£325,000Flats · Leasehold786 sq ft · £414/sq ftfirst recorded sale
29 Jul 2005£230,000Flats · Leasehold · New build786 sq ft · £293/sq ft−29% vs 2018
7 WD18 7GR · Terraced £595,000· 27 Jan 2017 · 2 sales
27 Jan 2017£595,000Terraced · Freehold1,496 sq ft · £398/sq ftfirst recorded sale
1 Jul 2005£350,000Terraced · Freehold · New build1,496 sq ft · £234/sq ft−41% vs 2017
Flat 2, Gloucester Court WD18 7GF · Flats £131,000· 12 Aug 2016 · 2 sales
12 Aug 2016£131,000Flats · Leasehold603 sq ft · £217/sq ftfirst recorded sale
31 May 2007£82,500Flats · Leasehold603 sq ft · £137/sq ft−37% vs 2016
Flat 7, Knightsbridge Court WD18 7GE · Flats £345,000· 26 Feb 2016 · 2 sales
26 Feb 2016£345,000Flats · Leasehold980 sq ft · £352/sq ftfirst recorded sale
3 Oct 2005£240,000Flats · Leasehold · New build980 sq ft · £245/sq ft−30% vs 2016
Flat 19, Mayfair Court WD18 7GA · Flats £300,000· 23 Sept 2015 · 3 sales
23 Sept 2015£300,000Flats · Leasehold732 sq ft · £410/sq ft+30% vs 2013
12 Aug 2013£231,500Flats · Leasehold732 sq ft · £316/sq ft+10% vs 2006
30 Jun 2006£210,000Flats · Leasehold · New build732 sq ft · £287/sq ftfirst recorded sale
Flat 5, Gloucester Court WD18 7GF · Flats £198,000· 28 May 2015
28 May 2015£198,000Flats · Leasehold527 sq ft · £375/sq ftfirst recorded sale
Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages.
Flat 4, Mayfair Court WD18 7GA · Flats £286,000· 23 Feb 2015 · 3 sales
23 Feb 2015£286,000Flats · Leasehold775 sq ft · £369/sq ft+31% vs 2005
16 May 2011£230,000Flats · Leasehold775 sq ft · £297/sq ft−20% vs 2015
16 Dec 2005£218,000Flats · Leasehold · New build775 sq ft · £281/sq ftfirst recorded sale
9 WD18 7GR · Terraced £495,000· 12 Feb 2015 · 2 sales
12 Feb 2015£495,000Terraced · Freehold1,485 sq ft · £333/sq ft+46% vs 2005
16 Dec 2005£340,000Terraced · Freehold · New build1,485 sq ft · £229/sq ftfirst recorded sale
Flat 6, Knightsbridge Court WD18 7GE · Flats £249,950· 27 Jun 2014 · 2 sales
27 Jun 2014£249,950Flats · Leasehold732 sq ft · £341/sq ftfirst recorded sale
26 Jul 2005£230,000Flats · Leasehold · New build732 sq ft · £314/sq ft−8% vs 2014
Flat 14, Knightsbridge Court WD18 7GE · Flats £243,000· 18 Mar 2014 · 3 sales
18 Mar 2014£243,000Flats · Leasehold753 sq ft · £323/sq ft−3% vs 2006
22 Dec 2006£250,000Flats · Leasehold753 sq ft · £332/sq ft+12% vs 2005
12 Aug 2005£223,500Flats · Leasehold · New build753 sq ft · £297/sq ftfirst recorded sale
Flat 5, Mayfair Court WD18 7GA · Flats £240,000· 22 Nov 2013 · 2 sales
22 Nov 2013£240,000Flats · Leasehold753 sq ft · £319/sq ft+0% vs 2006
27 Jan 2006£239,995Flats · Leasehold · New build753 sq ft · £319/sq ftfirst recorded sale
Flat 9, Mayfair Court WD18 7GA · Flats £246,000· 5 Nov 2013 · 2 sales
5 Nov 2013£246,000Flats · Leasehold700 sq ft · £352/sq ft+9% vs 2005
22 Dec 2005£226,000Flats · Leasehold · New build700 sq ft · £323/sq ftfirst recorded sale
Flat 16, Mayfair Court WD18 7GA · Flats £235,000· 8 Feb 2013 · 2 sales
8 Feb 2013£235,000Flats · Leasehold775 sq ft · £303/sq ftfirst recorded sale
24 Feb 2006£243,995Flats · Leasehold · New build775 sq ft · £315/sq ft+4% vs 2013
Flat 17, Mayfair Court WD18 7GA · Flats £235,000· 9 Mar 2012 · 2 sales
9 Mar 2012£235,000Flats · Leasehold797 sq ft · £295/sq ftfirst recorded sale
26 May 2006£222,000Flats · Leasehold · New build797 sq ft · £279/sq ft−6% vs 2012
Flat 7, Mayfair Court WD18 7GA · Flats £235,000· 19 Dec 2011 · 2 sales
19 Dec 2011£235,000Flats · Leasehold818 sq ft · £287/sq ft+1% vs 2006
3 Feb 2006£232,500Flats · Leasehold · New build818 sq ft · £284/sq ftfirst recorded sale
Flat 11, Knightsbridge Court WD18 7GE · Flats £226,000· 24 May 2010 · 2 sales
24 May 2010£226,000Flats · Leasehold753 sq ft · £300/sq ft+7% vs 2006
17 Feb 2006£212,000Flats · Leasehold · New build753 sq ft · £281/sq ftfirst recorded sale
6 WD18 7GR · Detached £248,750· 3 Apr 2009 · 2 sales
3 Apr 2009£248,750Detached · Freeholdfirst recorded sale
11 Apr 2005£242,495Detached · Freehold · New build−3% vs 2009
Flat 8, Gloucester Court WD18 7GF · Flats £82,500· 3 Jul 2007
3 Jul 2007£82,500Flats · Leasehold560 sq ft · £147/sq ftfirst recorded sale
Flat 26, Mayfair Court WD18 7GA · Flats £247,000· 16 May 2007 · 2 sales
16 May 2007£247,000Flats · Leasehold721 sq ft · £342/sq ft+4% vs 2006
15 Mar 2006£237,500Flats · Leasehold · New build721 sq ft · £329/sq ftfirst recorded sale
Flat 14, Mayfair Court WD18 7GA · Flats £205,000· 26 May 2006
26 May 2006£205,000Flats · Leasehold · New build721 sq ft · £284/sq ftfirst recorded sale
Flat 15, Mayfair Court WD18 7GA · Flats £220,000· 25 May 2006
25 May 2006£220,000Flats · Leasehold · New buildfirst recorded sale
Flat 30, Mayfair Court WD18 7GA · Flats £229,500· 31 Mar 2006
31 Mar 2006£229,500Flats · Leasehold · New build614 sq ft · £374/sq ftfirst recorded sale
Flat 27, Mayfair Court WD18 7GA · Flats £247,500· 23 Mar 2006
23 Mar 2006£247,500Flats · Leasehold · New build861 sq ft · £287/sq ftfirst recorded sale
Flat 21, Mayfair Court WD18 7GA · Flats £229,500· 24 Feb 2006
24 Feb 2006£229,500Flats · Leasehold · New build743 sq ft · £309/sq ftfirst recorded sale
Flat 22, Mayfair Court WD18 7GA · Flats £242,500· 24 Feb 2006
24 Feb 2006£242,500Flats · Leasehold · New build861 sq ft · £282/sq ftfirst recorded sale
Flat 6, Mayfair Court WD18 7GA · Flats £240,000· 24 Feb 2006
24 Feb 2006£240,000Flats · Leasehold · New build872 sq ft · £275/sq ftfirst recorded sale
Flat 12, Mayfair Court WD18 7GA · Flats £235,000· 24 Feb 2006
24 Feb 2006£235,000Flats · Leaseholdfirst recorded sale
Flat 20, Mayfair Court WD18 7GA · Flats £209,995· 24 Feb 2006
24 Feb 2006£209,995Flats · Leasehold · New build732 sq ft · £287/sq ftfirst recorded sale
Flat 25, Mayfair Court WD18 7GA · Flats £216,000· 24 Feb 2006
24 Feb 2006£216,000Flats · Leasehold · New build721 sq ft · £300/sq ftfirst recorded sale
Flat 1, Mayfair Court WD18 7GA · Flats £240,000· 25 Jan 2006
25 Jan 2006£240,000Flats · Leasehold · New build700 sq ft · £343/sq ftfirst recorded sale
Flat 2, Mayfair Court WD18 7GA · Flats £229,000· 21 Dec 2005
21 Dec 2005£229,000Flats · Leasehold · New build721 sq ft · £318/sq ftfirst recorded sale
Flat 10, Knightsbridge Court WD18 7GE · Flats £237,795· 26 Aug 2005
26 Aug 2005£237,795Flats · Leasehold · New build807 sq ft · £295/sq ftfirst recorded sale
Flat 2, Knightsbridge Court WD18 7GE · Flats £230,000· 29 Jul 2005
29 Jul 2005£230,000Flats · Leasehold · New build797 sq ft · £289/sq ftfirst recorded sale
1 WD18 7GR · Terraced £375,000· 27 May 2005
27 May 2005£375,000Terraced · Freehold · New build1,647 sq ft · £228/sq ftfirst recorded sale
2 WD18 7GR · Terraced £244,995· 24 Mar 2005
24 Mar 2005£244,995Terraced · Freehold · New buildfirst recorded sale
5 WD18 7GR · Detached £370,000· 26 Aug 2003
26 Aug 2003£370,000Detached · Freehold · New buildfirst recorded sale

At your size

A 90 m² (970 sq ft) home in WD18 is worth roughly £412k–£512k at the district's typical £425–£528 per square foot (448 sales, two years) — a range, not a valuation.

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All sold prices in Watford· WD18 district on the Watford page

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Sources and method. Sales completed to July 2026, as registered by 29 Aug 2026 · headline figures cover the 12 months to May 2026 (later months are still being registered).Next HM Land Registry release ~28 Sept 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.

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