Our Data Sources
21, Swiss Avenue, Watford has a single entry in the Land Registry from October 2009 and a single entry in the EPC database dated May 2022.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Swiss Avenue, Watford is in very good condition we estimate a sale value of £798,596 and a rental value of £3,192 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £707,328 and a rental value of £2,827 per month.
Plot Size
According to data from HM Land Registry, 21, Swiss Avenue, Watford sits on a plot of 398 m2.
We have plot size data on 32 out of 33 other houses in the postcode and 21, Swiss Avenue, Watford sits on the 15th largest plot.
Energy Efficiency
21, Swiss Avenue, Watford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 May 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas.
Sold Prices
According to HM Land Registry, 21, Swiss Avenue, Watford was last sold on 27th October 2009 for £370,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since October 2009, the market for similar properties has risen by 33.2%.
- Sold Oct 2009£370,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 86 sales of properties similar to 21, Swiss Avenue, Watford within a radius of 670 metres over the last 2 years.
The most recent example is 93, Cassiobury Park Avenue, Watford, WD18 7LH, a freehold house which sold for £875,000 on the 27th March 2025.
Read more about house prices in WD18.
- Sold Mar 2025£875,000 | 4 Bed House93, Cassiobury Park Avenue, Watford, WD18 7LH93, Cassiobury Park Avenue, Watford, WD18 7LH
- Sold Sep 2024£585,000 | 4 Bed House19, Swiss Avenue, Watford, WD18 7LL19, Swiss Avenue, Watford, WD18 7LL
- Sold Apr 2024£700,000 | 4 Bed House10, Swiss Avenue, Watford, WD18 7LN10, Swiss Avenue, Watford, WD18 7LN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Swiss Avenue, Watford, WD18 has a total of 54 addresses. According to our analysis of all the public data, 21, Swiss Avenue, Watford is the 10th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £394k more expensive than the average property in WD18.
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Schools Nearby
- Ascot Road Primary School800 m away
- Chater Infant School900 m away
- St Anthony's Catholic Primary School1.0 km away
- Watford Grammar School for Boys500 m away
- Croxley Danes School900 m away
- Westfield Academy1.1 km away
More reading links
Public Transport Nearby
- Watford|200 m away
- Watford Junction|1.8 km away
- Croxley|1.8 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












