Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
Flat 16 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	20 Jun 2025	£344,000	70 m² 753 sqft	£4,914 £456	Flat (2 bed)
Flat 9 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	26 Nov 2024	£345,000	71 m² 764 sqft	£4,859 £451	Flat (Studio)
Flat 13 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	28 Jul 2022	£365,000	68 m² 731 sqft	£5,367 £498	Flat (2 bed)
Flat 17 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	03 May 2022	£358,000	86 m² 925 sqft	£4,162 £386	Flat (2 bed)
Flat 5 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	09 Dec 2021	£328,000	76 m² 818 sqft	£4,315 £400	Flat (2 bed)
Flat 8 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	28 Sep 2021	£335,000	71 m² 764 sqft	£4,718 £438	Flat (2 bed)
Flat 1 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	23 Jul 2021	£281,500 B	70 m² 753 sqft	£4,021 £373	Flat (2 bed)
Flat 15 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	18 Jun 2021	£322,500	79 m² 850 sqft	£4,082 £379	Flat (2 bed)
Flat 12 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	14 May 2021	£375,000	86 m² 925 sqft	£4,360 £405	Flat (2 bed)
Flat 4 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	22 Mar 2019	£292,500 B	69 m² 742 sqft	£4,239 £393	Flat (2 bed)
Flat 3 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	10 Aug 2018	£325,000	69 m² 742 sqft	£4,710 £437	Flat (2 bed)
Flat 7 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	26 Feb 2016	£345,000	91 m² 979 sqft	£3,791 £352	Flat (2 bed)
Flat 6 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	27 Jun 2014	£249,950	68 m² 731 sqft	£3,675 £341	Flat (2 bed)
Flat 14 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	18 Mar 2014	£243,000	70 m² 753 sqft	£3,471 £322	Flat (2 bed)
Flat 11 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	24 May 2010	£226,000	69 m² 742 sqft	£3,275 £304	Flat (2 bed)
Flat 10 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	26 Aug 2005	£237,795	75 m² 807 sqft	£3,170 £294	Flat (2 bed)
Flat 2 Knightsbridge Court, Observer Drive, Watford, WD18 7GE -	29 Jul 2005	£230,000	74 m² 796 sqft	£3,108 £288	Flat (2 bed)
Flat 16 Knightsbridge Court, Observer Drive -	£344,000 Jun-2025	70 753	4,914 456
Flat 9 Knightsbridge Court, Observer Drive -	£345,000 Nov-2024	71 764	4,859 451
Flat 13 Knightsbridge Court, Observer Drive -	£365,000 Jul-2022	68 731	5,367 498
Flat 17 Knightsbridge Court, Observer Drive -	£358,000 May-2022	86 925	4,162 386
Flat 5 Knightsbridge Court, Observer Drive -	£328,000 Dec-2021	76 818	4,315 400
Flat 8 Knightsbridge Court, Observer Drive -	£335,000 Sep-2021	71 764	4,718 438
Flat 1 Knightsbridge Court, Observer Drive -	£281,500 B Jul-2021	70 753	4,021 373
Flat 15 Knightsbridge Court, Observer Drive -	£322,500 Jun-2021	79 850	4,082 379
Flat 12 Knightsbridge Court, Observer Drive -	£375,000 May-2021	86 925	4,360 405
Flat 4 Knightsbridge Court, Observer Drive -	£292,500 B Mar-2019	69 742	4,239 393
Flat 3 Knightsbridge Court, Observer Drive -	£325,000 Aug-2018	69 742	4,710 437
Flat 7 Knightsbridge Court, Observer Drive -	£345,000 Feb-2016	91 979	3,791 352
Flat 6 Knightsbridge Court, Observer Drive -	£249,950 Jun-2014	68 731	3,675 341
Flat 14 Knightsbridge Court, Observer Drive -	£243,000 Mar-2014	70 753	3,471 322
Flat 11 Knightsbridge Court, Observer Drive -	£226,000 May-2010	69 742	3,275 304
Flat 10 Knightsbridge Court, Observer Drive -	£237,795 Aug-2005	75 807	3,170 294
Flat 2 Knightsbridge Court, Observer Drive -	£230,000 Jul-2005	74 796	3,108 288

The data above for Observer Drive can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Observer Drive, Watford is £4,564 sqm (£424 per sq ft), this is based on the sold price of the 13 most recent sales.
The majority of homes in Watford are now selling for between £4,560 and £5,350 per square metre (£423 and £497 per square foot) , find out more in this local analysis of WD18 7 (Watford) house prices.
There are roughly 62 homes on Observer Drive, we would have expected roughly 8 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 13 property sales in Observer Drive, averaging about 3 home sales per year .
The average size of all the properties on Observer Drive is 75 m2 (807 sqft).