Our Data Sources
11, Cosne Mews, Harpenden has no 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 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 11, Cosne Mews, Harpenden, we estimate a market value of £488,976 and a rental value of £2,145 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £433,093 and £1,900 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Cosne Mews, Harpenden as measuring 85 m2.
That makes it the 2nd largest plot in the postcode, where 3 of the 6 other houses have recorded plot data.
Energy Efficiency
11, Cosne Mews, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Mar 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Electric storage heaters.
Similar Properties Sold Nearby
Over the past 2 years 39 properties similar to 11, Cosne Mews, Harpenden have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st April 2023, was 10, Vallance Place, Harpenden, AL5 1AX, a freehold house which sold for £520,000.
Read more about house prices in AL5.
- Sold Apr 2023£520,000 | 3 Bed House10, Vallance Place, Harpenden, AL5 1AX10, Vallance Place, Harpenden, AL5 1AX
- Sold Jun 2018£405,000 | 2 Bed House12, Cosne Mews, Harpenden, AL5 1DP12, Cosne Mews, Harpenden, AL5 1DP
- Sold Feb 2018£385,000 | 2 Bed House2, Cosne Mews, Harpenden, AL5 1DP2, Cosne Mews, Harpenden, AL5 1DP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 11 addresses on Cosne Mews, Harpenden, AL5, 11, Cosne Mews, Harpenden comes out as the largest and the 4th most expensive in our analysis of the public data.
It is also £501k less expensive than the average property across the AL5 district.
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Schools Nearby
- The Grove Junior School600 m away
- The Grove Infant and Nursery School600 m away
- St Dominic Catholic Primary School700 m away
- Sir John Lawes School1.8 km away
- St George's School1.9 km away
- Katherine Warington School2.1 km away
More reading links
Public Transport Nearby
- Harpenden|1.1 km away
- St Albans City|6.3 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.
