15A Coldharbour Lane, Harpenden, AL5 4NQ is a freehold semi-detached property built between 1950-1966. The property offers approximately 2,034 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £710,635 , which equates to approximately £349 per square foot. It was last sold on 16 Apr 2015 for £500,000. Since then, the value has increased by £210,635, representing a 42.1% increase, or approximately 4.0% per year.

The current estimated value of £710,635 is:

  • 31.9% higher than the average property price on Coldharbour Lane
  • 2.4% lower than the average in the AL5 4NQ postcode area
  • and 26.9% lower than the average price for Harpenden as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 29 April 2025, the property was recorded as owner-occupied.

View sold house prices in AL5 4NQ

Building approximate location

About Property

Type
Semi-Detached House
Built
1950-1966
Interior Size
2034 sq ft
Tenure
Freehold
Price (estimate)
£710,635
Price Per sq ft (estimate)
£349
Bedroom Count (estimate)
6 bedrooms

EPC Summary

15A Coldharbour Lane, Harpenden, St Albans, Hertfordshire, AL5 4NQ has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 29 Apr 2025.

This property uses a gas boiler with both underfloor heating and radiators as its main heating source. It is connected to mains gas. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 2 Dec 2009. The rating of C remains the same, but the energy efficiency score improved by 2.9%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and radiators, mains gas to boiler and underfloor heating, mains gas, boiler and radiators, mains gas, with no change in energy efficiency (good).
  • The roof construction or insulation changed from pitched, 300+ mm loft insulation to pitched, insulated at rafters, changing energy efficiency from very good to average.
  • The wall energy efficiency changing from good to average, with the construction or insulation remaining cavity wall, filled cavity.
  • The lighting was updated from no low energy lighting to low energy lighting in all fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, insulated at rafters
Average
Walls
Cavity wall, filled cavity
Average
Windows
Fully double glazed
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to AL5 4NQ

3 rd / 12
Price Rank
2% lower than average
1 st / 7
Size Rank
64% bigger than average
7 th / 7
Price Per Sq FT Rank
41% lower than average

Compared to other properties in AL5 4NQ , this house's estimated value ranks 3rd out of 12. Based on price per square foot, it ranks 7th out of 7 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 1st out of 7 properties in its postcode area.

Sale History

Today
£710,635
streetscan.co.uk estimate
+42 %
16 Apr 2015
£500,000
Leasehold
+23.5 %
22 Mar 2013
£405,000
Leasehold
+15.7 %
24 Mar 2007
£350,000
Leasehold
+32.6 %
7 Sep 2001
£263,950
Leasehold

Area Insights

Nearby Properties

rooms: 4
size: 893 sq ft
sale price: £650,000
sale date: 28 Jun 2024
rooms: 7
size: 1485 sq ft
sale price: £535,000
sale date: 12 Jan 2017
rooms: 5
size: 940 sq ft
sale price: £399,950
sale date: 2 Dec 2010
rooms: 3
size: 667 sq ft
sale price: £350,000
sale date: 2 Jun 2021
rooms: 7
size: 1345 sq ft
sale price: £725,000
sale date: 9 Dec 2016

Data Sources

The property at 15A Coldharbour Lane, Harpenden, AL5 4NQ appears four times in the Land Registry records, with the latest transaction recorded on 16 Apr 2015. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Apr 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.