3A Mill Lane, Welwyn, AL6 9EY is a freehold semi-detached property built between 1900-1929. The property offers approximately 624 square feet of living space. In this location, properties of similar size usually have one bedroom.

The estimated current market value of the property is £391,304 , which equates to approximately £627 per square foot. It was last sold on 29 Jan 2021 for £360,000. Since then, the value has increased by £31,304, representing a 8.7% increase, or approximately 1.8% per year.

The current estimated value of £391,304 is:

  • 39.0% lower than the average property price on Mill Lane
  • 16.1% lower than the average in the AL6 9EY postcode area
  • and 52.1% lower than the average price for Welwyn 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 10 October 2025, the property was recorded as rented.

View sold house prices in AL6 9EY

Building approximate location

About Property

Type
Semi-Detached House
Built
1900-1929
Interior Size
624 sq ft
Tenure
Freehold
Price (estimate)
£391,304
Price Per sq ft (estimate)
£627
Bedroom Count (estimate)
1 bedroom

EPC Summary

3A Mill Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 9EY has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 10 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 22 Sep 2015. The rating of D remains the same, but the energy efficiency score improved by 1.6%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, insulated at rafters to pitched, insulated (assumed), changing energy efficiency from good to average.
  • The wall energy efficiency changing from poor to very poor, with the construction or insulation remaining solid brick, as built, no insulation (assumed).
  • The windows were upgraded from single glazed to fully double glazed.
  • The lighting was updated from low energy lighting in 33% of fixed outlets to good lighting efficiency, with efficiency improving from average to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, insulated (assumed)
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Sale History

Today
£391,304
streetscan.co.uk estimate
+9 %
29 Jan 2021
£360,000
Leasehold
+24.1 %
29 Nov 2019
£290,000
Leasehold

Area Insights

Nearby Properties

3 Mill Lane, Welwyn, AL6 9EY
rooms: 3
size: 560 sq ft
sale price: £285,000
sale date: 22 Jun 2021
7 Mill Lane, Welwyn, AL6 9EY
rooms: 3
size: 581 sq ft
sale price: £380,000
sale date: 28 Feb 2024
9 Mill Lane, Welwyn, AL6 9EY
rooms: 4
size: 775 sq ft
sale price: £340,000
sale date: 20 Mar 2024

Data Sources

The property at 3A Mill Lane, Welwyn, AL6 9EY appears two times in the Land Registry records, with the latest transaction recorded on 29 Jan 2021. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 10 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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