Our Data Sources
3A, Mill Lane, Welwyn has 2 entries in the Land Registry, most recently in January 2021 and a single entry in the EPC database dated October 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 3A, Mill Lane, Welwyn would be worth £394,232, with a potential rental value of £2,058 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £349,177, with a rental value of £1,823 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3A, Mill Lane, Welwyn occupies a 65 m2 plot as recorded by HM Land Registry.
All 7 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
3A, Mill Lane, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Oct 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
3A, Mill Lane, Welwyn last changed hands on 29th January 2021, selling for £360,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 20.5% since January 2021.
- Sold Jan 2021£360,000
- Sold Nov 2019£290,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 22 sales of comparable properties within 1.3 kilometres of 3A, Mill Lane, Welwyn since 2009.
Most recently, 18, Mimram Road, Welwyn, AL6 9HA, a freehold house, sold at £435,000 on the 28th May 2026.
Read more about house prices in AL6.
- Sold May 2026£435,000 | 3 Bed House18, Mimram Road, Welwyn, AL6 9HA18, Mimram Road, Welwyn, AL6 9HA
- Sold Dec 2024£378,000 | 2 Bed House1, London Road, Welwyn, AL6 9EJ1, London Road, Welwyn, AL6 9EJ
- Sold Nov 2024£380,000 | 3 Bed House6, Lancaster Way, Welwyn, AL6 9LD6, Lancaster Way, Welwyn, AL6 9LD
- Sold Feb 2024£380,000 | 2 Bed House7, Mill Lane, Welwyn, AL6 9EY7, Mill Lane, Welwyn, AL6 9EY
- Sold May 2023£370,000 | 3 Bed House19, Parkside, Welwyn, AL6 9DQ19, Parkside, Welwyn, AL6 9DQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 1 letting within 1.3 kilometres of 3A, Mill Lane, Welwyn across the last 2 years.
The newest of these is 5, Wilga Road, Welwyn, AL6 9PT, a freehold house let by Collinson Hall in November 2023.
- Let agreed Nov 2023£ Undisclosed | 3 Bed House5, Wilga Road, Welwyn, AL6 9PT5, Wilga Road, Welwyn, AL6 9PT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Explore Nearby Properties
The surrounding properties have an average estimated value of £543,501, ranging from £354,144 to £999,629.
- 3 Mill Lane
2 Bed House | 3 m | Est. Value: £362,606
- 1 Mill Lane
4 Bed House | 12 m | Est. Value: £606,120
- 3 Holly Hall Court Church Street
3 Bed House | 14 m | Est. Value: £999,629
- 2 Holly Hall Court Church Street
2 Bed House | 16 m | Est. Value: £695,252
- 7 Mill Lane
2 Bed House | 20 m | Est. Value: £354,144
Location Comparison
Our analysis of the public data ranks 3A, Mill Lane, Welwyn as the 41st largest and the 40th most expensive of the 47 addresses on Mill Lane, Welwyn, AL6.
Against the AL6 postcode district average, it is £431k less expensive than the typical property.
More reading links
Schools Nearby
- Welwyn St Mary's Church of England Voluntary Aided Primary School500 m away
- Oaklands Primary School1.6 km away
- Homerswood Primary and Nursery School1.7 km away
- Monk's Walk School1.3 km away
- Ridgeway Academy4.0 km away
- Stanborough School4.6 km away
More reading links
Public Transport Nearby
- Welwyn North|1.7 km away
- Welwyn Garden City|3.4 km away
- Knebworth|4.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
