21, Thornbury
21, Thornbury
Description & Estimates
According to the public record, 21, Thornbury, Harpenden is a mid-century freehold house with 1,345 ft2 of internal area and sits on a 336 m2 plot.
Houses of this size in this area normally have 4 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 21, Thornbury, Harpenden is £903,848 and the estimated rental value is £3,319 per month.
Thornbury, Harpenden, AL5 is located in the borough of St. Albans within the AL5 postal district.
Our Data Sources
21, Thornbury, Harpenden has a single entry in the Land Registry from February 2021 and a single entry in the EPC database dated October 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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, Thornbury, Harpenden is in very good condition we estimate a sale value of £949,041 and a rental value of £3,485 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £840,579 and a rental value of £3,086 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 21, Thornbury, Harpenden has declined by £1,006 (0.1%), while its estimated rental value has climbed by £93 per month (2.8%). Based on current estimates, the property offers a gross rental yield of 4.4%.
Plot Size
According to data from HM Land Registry, 21, Thornbury, Harpenden sits on a plot of 336 m2.
We have plot size data on 30 out of 30 other houses in the postcode and 21, Thornbury, Harpenden sits on the 14th largest plot.
Energy Efficiency
21, Thornbury, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Oct 2020.
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, Thornbury, Harpenden was last sold on 5th February 2021 for £800,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since February 2021, the market for similar properties has risen by 16.7%.
- Sold Feb 2021£800,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Thornbury, Harpenden within a radius of 680 metres over the last 2 years.
The most recent example is 25, Aldwickbury Crescent, Harpenden, AL5 5SA, a freehold house which sold for £1,020,000 on the 17th October 2025.
Read more about house prices in AL5.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Thornbury, Harpenden, AL5 has a total of 30 addresses. According to our analysis of all the public data, 21, Thornbury, Harpenden is the 13th largest and the 15th most expensive property on the street.
When compared to the postcode district it is £56k less expensive than the average property in AL5.
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Schools Nearby
- 200mHigh Beeches Primary School
- 200mCrabtree Infants' School
- 200mCrabtree Junior School
- 1.0kmKatherine Warington School
- 1.0kmSir John Lawes School
- 1.3kmSt George's School
More reading links
Public Transport Nearby
The closest station to 21, Thornbury, Harpenden is Harpenden station, which is 900 metres away.
- 900mHarpenden
- 7.2kmSt Albans City
- 7.6kmLuton Airport Parkway
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.
