Our Data Sources
6, Sibley Avenue, Harpenden has a single entry in the Land Registry from December 2011 and a single entry in the EPC database dated September 2011.
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
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 6, Sibley Avenue, Harpenden, we estimate a market value of £810,549 and a rental value of £3,104 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £717,915 and £2,750 per month respectively.
Plot Size
HM Land Registry records the plot of land for 6, Sibley Avenue, Harpenden as measuring 429 m2.
That makes it the 6th largest plot in the postcode, where all 16 other houses have recorded plot data.
Energy Efficiency
6, Sibley Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Sep 2011.
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 6, Sibley Avenue, Harpenden completed on 15th December 2011 at £412,000 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 67.5% over the period since December 2011.
- Sold Dec 2011£412,000
Similar Properties Sold Nearby
Over the past 2 years 242 properties similar to 6, Sibley Avenue, Harpenden have sold within a radius of 710 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th October 2025, was 6, Grove Avenue, Harpenden, AL5 1EX, a freehold house which sold for £692,500.
Read more about house prices in AL5.
- Sold Oct 2025£692,500 | 3 Bed House6, Grove Avenue, Harpenden, AL5 1EX6, Grove Avenue, Harpenden, AL5 1EX
- Sold Jun 2025£600,000 | 3 Bed House29, Field Close, Harpenden, AL5 1EP29, Field Close, Harpenden, AL5 1EP
- Sold Oct 2023£840,000 | 3 Bed House8, Grove Avenue, Harpenden, AL5 1EX8, Grove Avenue, Harpenden, AL5 1EX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 53 addresses on Sibley Avenue, Harpenden, AL5, 6, Sibley Avenue, Harpenden comes out as the 33rd largest and the 41st most expensive in our analysis of the public data.
It is also £195k less expensive than the average property across the AL5 district.
More reading links
Schools Nearby
- The Grove Infant and Nursery School300 m away
- The Grove Junior School400 m away
- High Beeches Primary School900 m away
- Katherine Warington School1.9 km away
- Sir John Lawes School2.0 km away
- St George's School2.3 km away
More reading links
Public Transport Nearby
- Harpenden|1.6 km away
- St Albans City|6.2 km away
- St Albans Abbey|6.8 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
