4 Mill Green Road, Welwyn Garden City, AL7 3XF is a freehold terraced property built between 1967-1975. The property offers approximately 786 square feet of living space. In this location, properties of similar size usually have two bedrooms.

The estimated current market value of the property is £341,000 , which equates to approximately £434 per square foot. It was last sold on 29 Apr 2021 for £310,000. Since then, the value has increased by £31,000, representing a 10.0% increase, or approximately 2.2% per year.

The current estimated value of £341,000 is:

  • 4.4% lower than the average property price on Mill Green Road
  • 10.6% lower than the average in the AL7 3XF postcode area
  • and 24.6% lower than the average price for Welwyn Garden City 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 14 August 2025, the property was recorded as owner-occupied.

View sold house prices in AL7 3XF

Building approximate location

About Property

Type
Terraced House
Built
1967-1975
Interior Size
786 sq ft
Tenure
Freehold
Price (estimate)
£341,000
Price Per sq ft (estimate)
£434
Bedroom Count (estimate)
2 bedrooms

EPC Summary

4 Mill Green Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3XF has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 14 Aug 2025.

This property uses a mains gas boiler with both radiators and underfloor heating 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 16 Feb 2021. The rating of C remains the same, but the energy efficiency score improved by 3.9%.

Since the previous assessment, several changes were observed:

  • The heating system changed from boiler and radiators, mains gas to boiler with radiators and underfloor heating, mains gas, with no change in energy efficiency (good).
  • The roof construction or insulation changed from pitched, 270 mm loft insulation to pitched, 300 mm loft insulation, improving energy efficiency from good to very good.
  • The windows were upgraded from fully double glazed to high performance glazing.
  • The lighting was changed from low energy lighting in all fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler with radiators and underfloor heating, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 300 mm loft insulation
Very Good
Walls
Cavity wall, filled cavity
Good
Windows
High performance glazing
Good
Lighting
Excellent lighting efficiency
Very Good

Compared to AL7 3XF

15 th / 18
Price Rank
11% lower than average
12 th / 16
Size Rank
5% smaller than average
8 th / 16
Price Per Sq FT Rank
6% lower than average

Compared to other properties in AL7 3XF , this house's estimated value ranks 15th out of 18. Based on price per square foot, it ranks 8th out of 16 properties. In terms of size, this home ranks 12th out of 16 properties in its postcode area.

Sale History

Today
£341,000
streetscan.co.uk estimate
+10 %
29 Apr 2021
£310,000
Leasehold
+434.5 %
25 Aug 1995
£58,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 732 sq ft
sale price: £432,500
sale date: 31 Jan 2025
rooms: 5
size: 893 sq ft
sale price: £365,000
sale date: 24 Jun 2021
rooms: 5
size: 829 sq ft
sale price: £370,000
sale date: 21 Oct 2020
rooms: 5
size: 861 sq ft
sale price: £376,000
sale date: 18 Nov 2016
rooms: 5
size: 872 sq ft
sale price: £295,000
sale date: 28 Aug 2015

Data Sources

The property at 4 Mill Green Road, Welwyn Garden City, AL7 3XF appears two times in the Land Registry records, with the latest transaction recorded on 29 Apr 2021. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 14 Aug 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.