21, Ridge Avenue
21, Ridge Avenue
Description & Estimates







21, Ridge Avenue, Harpenden is recorded publicly as a mid-century freehold house across 1,162 ft2 of internal area, sitting on a 366 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 21, Ridge Avenue, Harpenden is £812,934 and its rental estimate is £2,978 per month, given the available information and assuming reasonable condition.
Ridge Avenue, Harpenden, AL5 falls within the AL5 postal district, in the borough of St. Albans.
Our Data Sources
21, Ridge Avenue, Harpenden has a single entry in the Land Registry from November 2021 and a single entry in the EPC database dated May 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Ridge Avenue, Harpenden, we estimate a market value of £853,581 and a rental value of £3,127 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £756,028 and £2,769 per month respectively.
Recent Market Change
Over the last year, 21, Ridge Avenue, Harpenden has seen its estimated sale value increase by £3,255 (0.4%) and its estimated rental value grow by £100 per month (3.4%). This results in an estimated gross rental yield of 4.4%.
Plot Size
HM Land Registry records the plot of land for 21, Ridge Avenue, Harpenden as measuring 366 m2.
That makes it the 20th largest plot in the postcode, where 23 of the 28 other houses have recorded plot data.
Energy Efficiency
21, Ridge Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 May 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
The most recent sale of 21, Ridge Avenue, Harpenden completed on 12th November 2021 at £795,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 8.4% over the period since November 2021.
- Sold Nov 2021£795,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 21, Ridge Avenue, Harpenden have sold within a radius of 990 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th November 2025, was 20, Ashley Gardens, Harpenden, AL5 3EY, a freehold house which sold for £800,000.
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
Of the 42 addresses on Ridge Avenue, Harpenden, AL5, 21, Ridge Avenue, Harpenden comes out as the 38th largest and the 38th most expensive in our analysis of the public data.
It is also £147k less expensive than the average property across the AL5 district.
More reading links
Schools Nearby
- 400mWood End School
- 1.0kmRoundwood Primary School
- 1.5kmThe Lea Primary School and Nursery
- 900mRoundwood Park School
- 1.6kmSt George's School
- 2.1kmSir John Lawes School
More reading links
Public Transport Nearby
From 21, Ridge Avenue, Harpenden, the nearest station is Harpenden, 2.2 kilometres away.
- 2.2kmHarpenden
- 5.2kmLuton Airport Parkway
- 6.6kmLuton
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

