Our Data Sources
23, The Avenue, Welwyn has 21 entries in the Land Registry , most recently in January 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 23, The Avenue, Welwyn would be worth £1,299,082, with a potential rental value of £3,784 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,150,615, with a rental value of £3,352 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, The Avenue, Welwyn occupies a 1,809 m2 plot as recorded by HM Land Registry.
All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Sold Prices
23, The Avenue, Welwyn last changed hands on 19th January 2007, selling for £684,000. 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 131.3% since January 2007.
- Sold Jan 2007£684,000
- Sold Aug 2002£425,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 77 sales of comparable properties within 1.4 kilometres of 23, 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 23, The Avenue, Welwyn as the 6th largest and the 5th most expensive of the 43 addresses on The Avenue, Welwyn, AL6.
Against the AL6 postcode district average, it is £436k more expensive than the typical property.
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Schools Nearby
- Oaklands Primary School500 m away
- St Michael's Woolmer Green CofE VA Primary School1.8 km away
- Welwyn St Mary's Church of England Voluntary Aided Primary School1.9 km away
- Monk's Walk School2.5 km away
- Ridgeway Academy4.8 km away
- Barnwell School5.7 km away
More reading links
Public Transport Nearby
- Welwyn North|2.2 km away
- Knebworth|3.0 km away
- Welwyn Garden City|4.6 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.












