20 Clarence Road, Harpenden, AL5 4AH is a leasehold flat built between 1900-1929. The property offers approximately 1,044 square feet of living space. In this location, apartments of similar size usually have three bedrooms.

The estimated current market value of the property is £422,995 , which equates to approximately £405 per square foot. It was last sold on 19 Jan 2006 for £242,500. Since then, the value has increased by £180,495, representing a 74.4% increase, or approximately 3.7% per year.

The current estimated value of £422,995 is:

  • 60.7% lower than the average property price on Clarence Road
  • 58.5% lower than the average in the AL5 4AH postcode area
  • and 54.7% lower than the average price for Harpenden as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded once as rented and once as owner-occupied, indicating a change in how it was used over time.

At the most recent EPC inspection on 2 October 2025, the property was recorded as rented.

View sold house prices in AL5 4AH

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
1044 sq ft
Tenure
Leasehold
Price (estimate)
£422,995
Price Per sq ft (estimate)
£405
Bedroom Count (estimate)
3 bedrooms

EPC Summary

20 Clarence Road, Harpenden, St Albans, Hertfordshire, AL5 4AH has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 2 Oct 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 28 Jun 2010. The rating of D remains the same, but the energy efficiency score improved by 19.6%.

Since the previous assessment, several changes were observed:

  • The windows were upgraded from partial double glazing to fully double glazed.
  • The lighting was updated from no low energy lighting to excellent lighting efficiency, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Poor
Lighting
Excellent lighting efficiency
Very Good

Sale History

Today
£422,995
streetscan.co.uk estimate
+74 %
19 Jan 2006
£242,500
Leasehold
+9.2 %
29 Nov 2002
£222,000
Leasehold

Area Insights

Similar Properties Sold Nearby

24A Clarence Road, Harpenden, AL5 4AH
rooms: 3
size: 936 sq ft
sale price: £420,000
sale date: 4 Dec 2020

Data Sources

The property at 20 Clarence Road, Harpenden, AL5 4AH appears two times in the Land Registry records, with the latest transaction recorded on 19 Jan 2006. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 2 Oct 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.
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