Our Data Sources
55, Sibley Avenue, Harpenden has no records in the the Land Registry and a single entry in the EPC database dated January 2019.
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
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 55, Sibley Avenue, Harpenden, we estimate a market value of £831,562 and a rental value of £3,017 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £736,527 and £2,673 per month respectively.
Plot Size
HM Land Registry records the plot of land for 55, Sibley Avenue, Harpenden as measuring 398 m2.
That makes it the 21st largest plot in the postcode, where 27 of the 36 other houses have recorded plot data.
Energy Efficiency
55, Sibley Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 142 properties similar to 55, Sibley Avenue, Harpenden have sold within a radius of 800 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 18th November 2025, was 13, Meadway, Harpenden, AL5 1JN, a freehold house which sold for £730,000.
Read more about house prices in AL5.
- Sold Nov 2025£730,000 | 3 Bed House13, Meadway, Harpenden, AL5 1JN13, Meadway, Harpenden, AL5 1JN
- Sold Jun 2023£500,000 | 3 Bed House27, Sibley Avenue, Harpenden, AL5 1HF27, Sibley Avenue, Harpenden, AL5 1HF
- Sold Nov 2021£865,000 | 3 Bed House45, Meadway, Harpenden, AL5 1JN45, Meadway, Harpenden, AL5 1JN
•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, 55, Sibley Avenue, Harpenden comes out as the 45th largest and the 38th most expensive in our analysis of the public data.
It is also £175k less expensive than the average property across the AL5 district.
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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
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.
