Our Data Sources
27, The Avenue, Welwyn has 31 entries in the Land Registry , most recently in September 2021 and a single entry in the EPC database dated October 2020.
We combine this information with that of neighbouring properties to estimate the property 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 27, The Avenue, Welwyn would be worth £1,161,228, with a potential rental value of £3,383 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,028,516, with a rental value of £2,996 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
27, The Avenue, Welwyn occupies a 2,202 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 4th largest.
Energy Efficiency
27, The Avenue, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Oct 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and underfloor heating, mains gas.
Sold Prices
27, The Avenue, Welwyn last changed hands on 10th September 2021, selling for £1,395,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 30.2% since September 2021.
- Sold Sep 2021£1,395,000
- Sold Feb 2012£500,000
- Sold Jul 1995£185,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 119 sales of comparable properties within 1.4 kilometres of 27, The Avenue, Welwyn across the last 2 years.
Most recently, 28, The Avenue, Welwyn, AL6 0PP, a freehold house, sold at £1,015,000 on the 8th October 2025.
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 27, The Avenue, Welwyn as the 18th largest and the 9th most expensive of the 43 addresses on The Avenue, Welwyn, AL6.
Against the AL6 postcode district average, it is £305k 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.
