Our Data Sources
21, Cornwall Road, Harpenden has 41 entries in the Land Registry, most recently in April 2024 and a single entry in the EPC database dated August 2017.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 21, Cornwall Road, Harpenden, we estimate a market value of £865,622 and a rental value of £2,747 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £766,693 and £2,433 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Cornwall Road, Harpenden as measuring 164 m2.
That makes it the 7th largest plot in the postcode, where 7 of the 18 other houses have recorded plot data.
Energy Efficiency
21, Cornwall Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Aug 2017.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Cornwall Road, Harpenden completed on 24th April 2024 at £780,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have dropped by 10.2% over the period since April 2024.
- Sold Apr 2024£780,000
- Sold Oct 2022£795,000
- Sold Oct 2017£700,000
Similar Properties Sold Nearby
Since 2007 47 properties similar to 21, Cornwall Road, Harpenden have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th December 2025, was 6, High Street, Harpenden, AL5 2TB, a freehold house which sold for £1,370,000.
Read more about house prices in AL5.
- Sold Dec 2025£1,370,000 | 3 Bed House6, High Street, Harpenden, AL5 2TB6, High Street, Harpenden, AL5 2TB
- Sold Oct 2025£910,000 | 3 Bed House32, West Way, Harpenden, AL5 4RD32, West Way, Harpenden, AL5 4RD
- Sold Sep 2025£860,000 | 3 Bed House2, Amberley Close, Harpenden, AL5 4TX2, Amberley Close, Harpenden, AL5 4TX
- Sold Apr 2025£830,000 | 3 Bed House17, Cornwall Road, Harpenden, AL5 4TQ17, Cornwall Road, Harpenden, AL5 4TQ
- Sold Apr 2024£675,000 | 3 Bed House66, Cowper Road, Harpenden, AL5 5NG66, Cowper Road, Harpenden, AL5 5NG
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 £920,513, ranging from £601,292 to £1,523,713.
- 23 Cornwall Road
3 Bed House | 4 m | Est. Value: £814,261
- 19 Cornwall Road
3 Bed House | 6 m | Est. Value: £809,666
- 17 Cornwall Road
3 Bed House | 9 m | Est. Value: £834,790
- 25 Cornwall Road
3 Bed House | 10 m | Est. Value: £817,763
- 15 Cornwall Road
4 Bed House | 18 m | Est. Value: £1,005,186
Location Comparison
Of the 31 addresses on Cornwall Road, Harpenden, AL5, 21, Cornwall Road, Harpenden comes out as the 17th largest and the 18th most expensive in our analysis of the public data.
It is also £142k less expensive than the average property across the AL5 district.
More reading links
Schools Nearby
- Harpenden Academy300 m away
- St Nicholas CofE VA Primary School500 m away
- Manland Primary School600 m away
- St George's School500 m away
- Sir John Lawes School600 m away
- Katherine Warington School1.4 km away
More reading links
Public Transport Nearby
- Harpenden|400 m away
- Luton Airport Parkway|6.8 km away
- St Albans City|7.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
