Our Data Sources
1, The Avenue, Welwyn has 41 entries in the Land Registry , most recently in March 2015 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 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 1, The Avenue, Welwyn would be worth £1,092,506, with a potential rental value of £3,724 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £967,648, with a rental value of £3,298 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, The Avenue, Welwyn occupies a 1,553 m2 plot as recorded by HM Land Registry.
All 9 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
1, The Avenue, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Oct 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
1, The Avenue, Welwyn last changed hands on 18th March 2015, selling for £740,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 66.3% since March 2015.
- Sold Mar 2015£740,000
- Sold Mar 2007£595,000
- Sold Apr 2001£136,627
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 109 sales of comparable properties within 1.4 kilometres of 1, The Avenue, Welwyn across the last 2 years.
Most recently, 6, North Ride, Welwyn, AL6 9RD, a freehold house, sold at £1,075,000 on the 12th January 2026.
Read more about house prices in AL6.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 1, The Avenue, Welwyn as the 10th largest and the 12th most expensive of the 43 addresses on The Avenue, Welwyn, AL6.
Against the AL6 postcode district average, it is £240k more expensive than the typical property.
More reading links
Schools Nearby
- Oaklands Primary School400 m away
- Welwyn St Mary's Church of England Voluntary Aided Primary School1.7 km away
- St Michael's Woolmer Green CofE VA Primary School1.9 km away
- Monk's Walk School2.3 km away
- Ridgeway Academy4.4 km away
- Stanborough School5.6 km away
More reading links
Public Transport Nearby
- Welwyn North|1.9 km away
- Knebworth|3.2 km away
- Welwyn Garden City|4.3 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
