26 Sibley Avenue, Harpenden, AL5 1HF is a freehold terraced property built between 1967-1975. The property offers approximately 1,475 square feet of living space. In this location, properties of similar size usually have five bedrooms.

The estimated current market value of the property is £1,004,123 , which equates to approximately £681 per square foot. It was last sold on 21 Jun 2022 for £945,000. Since then, the value has increased by £59,123, representing a 6.3% increase, or approximately 1.8% per year.

The current estimated value of £1,004,123 is:

  • 15.8% higher than the average property price on Sibley Avenue
  • 8.0% higher than the average in the AL5 1HF postcode area
  • and 3.3% higher 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 28 February 2025, the property was recorded as owner-occupied.

View sold house prices in AL5 1HF

Building approximate location

About Property

Type
Semi-Detached House
Built
1967-1975
Interior Size
1475 sq ft
Tenure
Freehold
Price (estimate)
£1,004,123
Price Per sq ft (estimate)
£681
Bedroom Count (estimate)
5 bedrooms

EPC Summary

26 Sibley Avenue, Harpenden, St Albans, Hertfordshire, AL5 1HF has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 28 Feb 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 24 Feb 2022, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 9.1%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 400+ mm loft insulation to pitched, 270 mm loft insulation, changing energy efficiency from very good to good.
  • The wall construction or insulation changed from cavity wall, as built, no insulation (assumed) to cavity wall, filled cavity, improving energy efficiency from poor to average.
  • The lighting was changed from low energy lighting in 80% of fixed outlets to low energy lighting in all fixed outlets, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 270 mm loft insulation
Good
Walls
Cavity wall, filled cavity
Average
Windows
Fully double glazed
Good
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to AL5 1HF

11 th / 26
Price Rank
8% higher than average
11 th / 21
Size Rank
5% bigger than average
11 th / 21
Price Per Sq FT Rank
3% higher than average

Compared to other properties in AL5 1HF , this house's estimated value ranks 11th out of 26. Based on price per square foot, it ranks 11th out of 21 properties. In terms of size, this home ranks 11th out of 21 properties in its postcode area.

Sale History

Today
£1,004,123
streetscan.co.uk estimate
+6 %
21 Jun 2022
£945,000
Leasehold
+114.8 %
26 Sep 2008
£440,000
Leasehold
+8.6 %
28 Apr 2006
£405,000
Leasehold

Area Insights

Nearby Properties

rooms: 6
size: 1023 sq ft
sale price: £500,000
sale date: 15 Jun 2023
rooms: 5
size: 1485 sq ft
sale price: £249,000
sale date: 20 Jul 2000
rooms: 6
size: 1507 sq ft
sale price: £710,000
sale date: 26 May 2021
rooms: 7
size: 1326 sq ft
sale price: £245,000
sale date: 19 Jun 2001
rooms:
size: 2088 sq ft
sale price: £585,000
sale date: 20 Sep 2018

Data Sources

The property at 26 Sibley Avenue, Harpenden, AL5 1HF appears three times in the Land Registry records, with the latest transaction recorded on 21 Jun 2022. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Feb 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.