WD18 7GE
Observer Drive, Watford
Median, last 3 years
£344,500
2 sales, Jun 2023 – May 2026
Last standard sale
£344,000
20 Jun 2025
Standard sales
39
since 2005
(+2 additional entries)
WD18 district median
£375,000
222 sales, 12 months to May 2026
Medians 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 left out.
Median price by year
2011 to 2025. Every year since 2005 is in the figures below.
Paler bars rest on fewer than three sales, so they show which homes sold more than how prices moved.
Show the figures
| Year | Median | Sales |
|---|---|---|
| 2025 (few sales) | £344,000 | 1 |
| 2024 (few sales) | £345,000 | 1 |
| 2022 (few sales) | £361,500 | 2 |
| 2021 | £331,500 | 4 |
| 2018 (few sales) | £325,000 | 1 |
| 2016 (few sales) | £357,475 | 2 |
| 2014 | £249,950 | 3 |
| 2013 (few sales) | £235,000 | 1 |
| 2011 (few sales) | £238,000 | 1 |
| 2010 (few sales) | £228,000 | 2 |
| 2007 | £240,000 | 3 |
| 2006 | £220,000 | 3 |
| 2005 | £232,000 | 15 |
Sale history (41 records · 15 homes sold more than once)
| Address | Date | Type | Price |
|---|---|---|---|
|
FLAT 16, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
20 Jun 2025 · Flat / maisonette
· Leasehold
Previously £369,950 (Nov 2016) · −7%
|
20 Jun 2025 | Flat / maisonette · Leasehold | £344,000 |
|
FLAT 9, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Nov 2024 · Flat / maisonette
· Leasehold
Previously £211,100 (Jul 2005) · +63%
|
26 Nov 2024 | Flat / maisonette · Leasehold | £345,000 |
|
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
28 Jul 2022 · Flat / maisonette
· Leasehold
Previously £238,000 (Nov 2011) · +53%
|
28 Jul 2022 | Flat / maisonette · Leasehold | £365,000 |
|
FLAT 17, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
3 May 2022 · Flat / maisonette
· Leasehold
Previously £305,000 (Dec 2014) · +17%
|
3 May 2022 | Flat / maisonette · Leasehold | £358,000 |
|
FLAT 5, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
9 Dec 2021 · Flat / maisonette
· Leasehold
Previously £237,500 (Oct 2007) · +38%
|
9 Dec 2021 | Flat / maisonette · Leasehold | £328,000 |
|
FLAT 8, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
28 Sep 2021 · Flat / maisonette
· Leasehold
Previously £235,000 (Apr 2013) · +43%
|
28 Sep 2021 | Flat / maisonette · Leasehold | £335,000 |
|
FLAT 1, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
Cat B
23 Jul 2021 · Flat / maisonette
· Leasehold
Previously £220,000 (Apr 2006)
|
23 Jul 2021 | Flat / maisonette · Leasehold | £281,500 |
|
FLAT 15, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
18 Jun 2021 · Flat / maisonette
· Leasehold
Previously £230,000 (Mar 2010) · +40%
|
18 Jun 2021 | Flat / maisonette · Leasehold | £322,500 |
|
FLAT 12, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
14 May 2021 · Flat / maisonette
· Leasehold
Previously £249,995 (Aug 2005) · +50%
|
14 May 2021 | Flat / maisonette · Leasehold | £375,000 |
|
FLAT 4, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
Cat B
22 Mar 2019 · Flat / maisonette
· Leasehold
Previously £240,000 (Nov 2007)
|
22 Mar 2019 | Flat / maisonette · Leasehold | £292,500 |
|
FLAT 3, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
10 Aug 2018 · Flat / maisonette
· Leasehold
Previously £230,000 (Jul 2005) · +41%
|
10 Aug 2018 | Flat / maisonette · Leasehold | £325,000 |
|
FLAT 16, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Nov 2016 · Flat / maisonette
· Leasehold
Previously £231,935 (Aug 2005) · +60%
|
29 Nov 2016 | Flat / maisonette · Leasehold | £369,950 |
|
FLAT 7, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Feb 2016 · Flat / maisonette
· Leasehold
Previously £240,000 (Oct 2005) · +44%
|
26 Feb 2016 | Flat / maisonette · Leasehold | £345,000 |
|
FLAT 17, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
3 Dec 2014 · Flat / maisonette
· Leasehold
Previously £239,000 (Jul 2005) · +28%
|
3 Dec 2014 | Flat / maisonette · Leasehold | £305,000 |
|
FLAT 6, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
27 Jun 2014 · Flat / maisonette
· Leasehold
Previously £230,000 (Jul 2005) · +9%
|
27 Jun 2014 | Flat / maisonette · Leasehold | £249,950 |
|
FLAT 14, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
18 Mar 2014 · Flat / maisonette
· Leasehold
Previously £250,000 (Dec 2006) · −3%
|
18 Mar 2014 | Flat / maisonette · Leasehold | £243,000 |
|
FLAT 8, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
16 Apr 2013 · Flat / maisonette
· Leasehold
Previously £232,000 (Jul 2005) · +1%
|
16 Apr 2013 | Flat / maisonette · Leasehold | £235,000 |
|
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
8 Nov 2011 · Flat / maisonette
· Leasehold
Previously £249,950 (Aug 2007) · −5%
|
8 Nov 2011 | Flat / maisonette · Leasehold | £238,000 |
|
FLAT 11, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
24 May 2010 · Flat / maisonette
· Leasehold
Previously £212,000 (Feb 2006) · +7%
|
24 May 2010 | Flat / maisonette · Leasehold | £226,000 |
|
FLAT 15, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
18 Mar 2010 · Flat / maisonette
· Leasehold
Previously £235,000 (Jul 2005) · −2%
|
18 Mar 2010 | Flat / maisonette · Leasehold | £230,000 |
|
FLAT 4, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
9 Nov 2007 · Flat / maisonette
· Leasehold
Previously £232,000 (Jul 2005) · +3%
|
9 Nov 2007 | Flat / maisonette · Leasehold | £240,000 |
|
FLAT 5, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
24 Oct 2007 · Flat / maisonette
· Leasehold
Previously £235,000 (Jul 2005) · +1%
|
24 Oct 2007 | Flat / maisonette · Leasehold | £237,500 |
|
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
10 Aug 2007 · Flat / maisonette
· Leasehold
Previously £230,000 (Jul 2005) · +9%
|
10 Aug 2007 | Flat / maisonette · Leasehold | £249,950 |
|
FLAT 14, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
22 Dec 2006 · Flat / maisonette
· Leasehold
Previously £223,500 (Aug 2005) · +12%
|
22 Dec 2006 | Flat / maisonette · Leasehold | £250,000 |
|
FLAT 1, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
28 Apr 2006 · Flat / maisonette
· Leasehold · New build
|
28 Apr 2006 | Flat / maisonette · Leasehold · New build | £220,000 |
|
FLAT 11, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
17 Feb 2006 · Flat / maisonette
· Leasehold · New build
|
17 Feb 2006 | Flat / maisonette · Leasehold · New build | £212,000 |
|
FLAT 7, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
3 Oct 2005 · Flat / maisonette
· Leasehold · New build
|
3 Oct 2005 | Flat / maisonette · Leasehold · New build | £240,000 |
|
FLAT 10, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Aug 2005 · Flat / maisonette
· Leasehold · New build
|
26 Aug 2005 | Flat / maisonette · Leasehold · New build | £237,795 |
|
FLAT 12, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Aug 2005 · Flat / maisonette
· Leasehold · New build
|
26 Aug 2005 | Flat / maisonette · Leasehold · New build | £249,995 |
|
FLAT 16, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Aug 2005 · Flat / maisonette
· Leasehold · New build
|
26 Aug 2005 | Flat / maisonette · Leasehold · New build | £231,935 |
|
FLAT 14, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
12 Aug 2005 · Flat / maisonette
· Leasehold · New build
|
12 Aug 2005 | Flat / maisonette · Leasehold · New build | £223,500 |
|
FLAT 15, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
29 Jul 2005 | Flat / maisonette · Leasehold · New build | £235,000 |
|
FLAT 3, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
29 Jul 2005 | Flat / maisonette · Leasehold · New build | £230,000 |
|
FLAT 8, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
29 Jul 2005 | Flat / maisonette · Leasehold · New build | £232,000 |
|
FLAT 9, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
29 Jul 2005 | Flat / maisonette · Leasehold · New build | £211,100 |
|
FLAT 2, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
29 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
29 Jul 2005 | Flat / maisonette · Leasehold · New build | £230,000 |
|
FLAT 6, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
26 Jul 2005 | Flat / maisonette · Leasehold · New build | £230,000 |
|
FLAT 5, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
26 Jul 2005 | Flat / maisonette · Leasehold · New build | £235,000 |
|
FLAT 4, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
26 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
26 Jul 2005 | Flat / maisonette · Leasehold · New build | £232,000 |
|
FLAT 13, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
15 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
15 Jul 2005 | Flat / maisonette · Leasehold · New build | £230,000 |
|
FLAT 17, KNIGHTSBRIDGE COURT, OBSERVER DRIVE
14 Jul 2005 · Flat / maisonette
· Leasehold · New build
|
14 Jul 2005 | Flat / maisonette · Leasehold · New build | £239,000 |
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.