Our Data Sources
30, Sibley Avenue, Harpenden has no recent1 records in the the Land Registry and a single entry in the EPC database dated March 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 30, Sibley Avenue, Harpenden is in very good condition we estimate a sale value of £987,940 and a rental value of £3,425 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £875,033 and a rental value of £3,033 per month.
Plot Size
According to data from HM Land Registry, 30, Sibley Avenue, Harpenden sits on a plot of 583 m2.
We have plot size data on 27 out of 36 other houses in the postcode and 30, Sibley Avenue, Harpenden sits on the 9th largest plot.
Energy Efficiency
30, Sibley Avenue, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Mar 2026.
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, 30, Sibley Avenue, Harpenden was last sold on 19th June 2001 for £245,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Jun 2001£245,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 182 sales of properties similar to 30, Sibley Avenue, Harpenden within a radius of 750 metres over the last 2 years.
The most recent example is 28, Sibley Avenue, Harpenden, AL5 1HF, a freehold house which sold for £793,650 on the 5th September 2025.
Read more about house prices in AL5.
- Sold Sep 2025£793,650 | 4 Bed House28, Sibley Avenue, Harpenden, AL5 1HF28, Sibley Avenue, Harpenden, AL5 1HF
- Sold Jul 2023£845,000 | 4 Bed House43, Sibley Avenue, Harpenden, AL5 1HF43, Sibley Avenue, Harpenden, AL5 1HF
- Sold Jun 2022£945,000 | 4 Bed House26, Sibley Avenue, Harpenden, AL5 1HF26, Sibley Avenue, Harpenden, AL5 1HF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Sibley Avenue, Harpenden, AL5 has a total of 53 addresses. According to our analysis of all the public data, 30, Sibley Avenue, Harpenden is the 23rd largest and the 18th most expensive property on the street.
When compared to the postcode district it is £26k less expensive than the average property in AL5.
More reading links
Schools Nearby
- The Grove Infant and Nursery School300 m away
- The Grove Junior School400 m away
- High Beeches Primary School800 m away
- Katherine Warington School1.8 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|6.3 km away
- St Albans Abbey|6.9 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.
