20 Salisbury Road, Harpenden, AL5 5AY is a freehold detached property built between 1900-1929. The property offers approximately 1,313 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £508,189 , which equates to approximately £387 per square foot. It was last sold on 30 Sep 2021 for £478,000. Since then, the value has increased by £30,189, representing a 6.3% increase, or approximately 1.3% per year.

The current estimated value of £508,189 is:

  • 16.3% lower than the average property price on Salisbury Road
  • 13.9% lower than the average in the AL5 5AY postcode area
  • and 45.5% lower than the average price for Harpenden as a whole

At the most recent EPC inspection on 23 April 2026, the property was recorded as owner-occupied.

View sold house prices in AL5 5AY

Building approximate location

About Property

Type
Detached House
Built
1900-1929
Interior Size
1313 sq ft
Tenure
Freehold
Price (estimate)
£508,189
Price Per sq ft (estimate)
£387
Bedroom Count (estimate)
4 bedrooms

EPC Summary

20 Salisbury Road, Harpenden, St Albans, Hertfordshire, AL5 5AY has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 23 Apr 2026.

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 high performance glazing.

The previous EPC assessment was conducted on 21 Nov 2014, when the property was rated E. Since then, the rating has improved to D, with the energy efficiency score increasing by 22.6%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 250 mm loft insulation to flat, no insulation, changing energy efficiency from good to very poor.
  • The wall energy efficiency improving from very poor to poor, with the construction or insulation remaining solid brick, as built, no insulation (assumed).
  • The windows were upgraded from single glazed to high performance glazing.
  • The lighting was changed from low energy lighting in 54% of fixed outlets to good lighting efficiency, with no change in efficiency (good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Flat, no insulation
Very Poor
Walls
Solid brick, as built, no insulation (assumed)
Poor
Windows
High performance glazing
Good
Lighting
Good lighting efficiency
Good

Compared to AL5 5AY

21 st / 23
Price Rank
14% lower than average
3 rd / 17
Size Rank
28% bigger than average
16 th / 17
Price Per Sq FT Rank
33% lower than average

Sale History

Today
£508,189
streetscan.co.uk estimate
+6 %
30 Sep 2021
£478,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Nearby Properties

rooms: 4
size: 1216 sq ft
sale price: £700,000
sale date: 6 May 2022
rooms: 5
size: 835 sq ft
sale price: £315,000
sale date: 1 Dec 2011
rooms: 3
size: 710 sq ft
sale price: £424,000
sale date: 26 Sep 2025
rooms: 4
size: 717 sq ft
sale price: £390,000
sale date: 5 Feb 2021
rooms: 3
size: 797 sq ft
sale price: £260,000
sale date: 11 Mar 2009

Data Sources

The property at 20 Salisbury Road, Harpenden, AL5 5AY appears once in HM Land Registry records, with the transaction recorded on 30 Sep 2021. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 23 Apr 2026. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.