Our Data Sources
4, Observer Drive, Watford has 31 entries in the Land Registry , most recently in November 2025 and a single entry in the EPC database dated January 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 4, Observer Drive, Watford would be worth £514,631, with a potential rental value of £2,333 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £455,816, with a rental value of £2,067 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Observer Drive, Watford occupies a 189 m2 plot as recorded by HM Land Registry.
All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
4, Observer Drive, Watford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Jan 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
4, Observer Drive, Watford last changed hands on 27th November 2025, selling for £515,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 15.8% since November 2025.
- Sold Nov 2025£515,000
- Sold Jan 2007£320,000
- Sold Dec 2004£315,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 139 sales of comparable properties within 410 metres of 4, Observer Drive, Watford across the last 2 years.
Most recently, 134, Rickmansworth Road, Watford, WD18 7JG, a freehold house, sold at £451,000 on the 30th April 2026.
Read more about house prices in WD18.
- Sold Apr 2026£451,000 | 3 Bed House134, Rickmansworth Road, Watford, WD18 7JG134, Rickmansworth Road, Watford, WD18 7JG
- Sold Oct 2023£610,000 | 3 Bed House2, George V Close, Watford, WD18 7QS2, George V Close, Watford, WD18 7QS
- Sold Jan 2023£595,000 | 3 Bed House5, George V Close, Watford, WD18 7QS5, George V Close, Watford, WD18 7QS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 4, Observer Drive, Watford as the 6th largest and the 6th most expensive of the 85 addresses on Observer Drive, Watford, WD18.
Against the WD18 postcode district average, it is £124k more expensive than the typical property.
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Schools Nearby
- Ascot Road Primary School600 m away
- St Anthony's Catholic Primary School700 m away
- Chater Infant School700 m away
- Watford Grammar School for Boys300 m away
- Westfield Academy800 m away
- Croxley Danes School900 m away
More reading links
Public Transport Nearby
- Watford|400 m away
- Croxley|1.8 km away
- Watford Junction|1.8 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
