Our Data Sources
21, St. Marys Road, Watford has 3 entries in the Land Registry , most recently in May 2021 and a single entry in the EPC database dated February 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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, St. Marys Road, Watford is in very good condition we estimate a sale value of £388,137 and a rental value of £2,086 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £343,778 and a rental value of £1,848 per month.
Plot Size
According to data from HM Land Registry, 21, St. Marys Road, Watford sits on a plot of 99 m2.
We have plot size data on 21 out of 43 other houses in the postcode and 21, St. Marys Road, Watford sits on the 4th largest plot.
Energy Efficiency
21, St. Marys Road, Watford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Feb 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 21, St. Marys Road, Watford was last sold on 17th May 2021 for £362,500 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since May 2021, the market for similar properties has risen by 7.9%.
- Sold May 2021£362,500
- Sold Aug 2018£315,000
- Sold Nov 2012£188,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 168 sales of properties similar to 21, St. Marys Road, Watford within a radius of 390 metres over the last 2 years.
The most recent example is 56, Fearnley Street, Watford, WD18 0RD, a freehold house which sold for £370,000 on the 23rd April 2026.
Read more about house prices in WD18.
- Sold Apr 2026£370,000 | 3 Bed House56, Fearnley Street, Watford, WD18 0RD56, Fearnley Street, Watford, WD18 0RD
- Sold Apr 2026£400,000 | 3 Bed House13, St. Marys Road, Watford, WD18 0EE13, St. Marys Road, Watford, WD18 0EE
- Sold May 2024£350,000 | 3 Bed House23, St. Marys Road, Watford, WD18 0EE23, St. Marys Road, Watford, WD18 0EE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
St. Marys Road, Watford, WD18 has a total of 92 addresses. According to our analysis of all the public data, 21, St. Marys Road, Watford is the 16th largest and the 24th most expensive property on the street.
When compared to the postcode district it is £3k more expensive than the average property in WD18.
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Schools Nearby
- Chater Junior School300 m away
- Watford St John's Church of England Primary School500 m away
- Central Primary School600 m away
- Watford Grammar School for Girls200 m away
- Watford Grammar School for Boys1.1 km away
- Westfield Academy1.4 km away
More reading links
Public Transport Nearby
- Watford High Street|500 m away
- Watford Junction|1.1 km away
- Bushey|1.2 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.












