Our Data Sources
23, Barns Dene, Harpenden has 2 entries in the Land Registry, most recently in January 2018 and a single entry in the EPC database dated September 2009.
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 23, Barns Dene, Harpenden, we estimate a market value of £2,684,121 and a rental value of £6,000 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,377,365 and £5,314 per month respectively.
Plot Size
HM Land Registry records the plot of land for 23, Barns Dene, Harpenden as measuring 836 m2.
That makes it the 3rd largest plot in the postcode, where all 20 other houses have recorded plot data.
Energy Efficiency
23, Barns Dene, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 12 Sep 2009.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
The most recent sale of 23, Barns Dene, Harpenden completed on 31st January 2018 at £1,975,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 14.9% over the period since January 2018.
- Sold Jan 2018£1,975,000
- Sold May 2007£840,000
Similar Properties Sold Nearby
Since 2013 11 properties similar to 23, Barns Dene, Harpenden have sold within a radius of 920 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th September 2025, was 11, Moreton End Lane, Harpenden, AL5 2EY, a freehold house which sold for £2,990,000.
Read more about house prices in AL5.
- Sold Sep 2025£2,990,000 | 5 Bed House11, Moreton End Lane, Harpenden, AL5 2EY11, Moreton End Lane, Harpenden, AL5 2EY
- Sold Jan 2023£2,020,000 | 5 Bed House31, Rothamsted Avenue, Harpenden, AL5 2DN31, Rothamsted Avenue, Harpenden, AL5 2DN
- Sold Jun 2021£2,050,000 | 5 Bed House19A, Park Avenue South, Harpenden, AL5 2DZ19A, Park Avenue South, Harpenden, AL5 2DZ
- Sold May 2021£2,300,000 | 5 Bed House40, Townsend Lane, Harpenden, AL5 2QS40, Townsend Lane, Harpenden, AL5 2QS
- Sold Feb 2021£1,400,000 | 5 Bed House44, Roundwood Park, Harpenden, AL5 3AF44, Roundwood Park, Harpenden, AL5 3AF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £1,743,223, ranging from £1,148,539 to £2,830,044.
- 21 Barns Dene
5 Bed House | 23 m | Est. Value: £1,721,786
- 27 Barns Dene
4 Bed House | 35 m | Est. Value: £1,148,539
- 22 Barns Dene
5 Bed House | 53 m | Est. Value: £1,703,922
- 18 Barns Dene
5 Bed House | 55 m | Est. Value: £1,620,536
- 74 Townsend Lane
5 Bed House | 55 m | Est. Value: £1,833,407
Location Comparison
Of the 37 addresses on Barns Dene, Harpenden, AL5, 23, Barns Dene, Harpenden comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.
It is also £1.589m more expensive than the average property across the AL5 district.
More reading links
Schools Nearby
- Roundwood Primary School300 m away
- St Nicholas CofE VA Primary School800 m away
- Harpenden Academy1.1 km away
- Roundwood Park School300 m away
- St George's School1.2 km away
- Sir John Lawes School1.7 km away
More reading links
Public Transport Nearby
- Harpenden|1.2 km away
- Luton Airport Parkway|6.4 km away
- Luton|7.8 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












