Our Data Sources
29, Mardley Avenue, Welwyn has a single entry in the Land Registry from 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 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 29, Mardley Avenue, Welwyn would be worth £793,607, with a potential rental value of £3,057 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £702,909, with a rental value of £2,707 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
29, Mardley Avenue, Welwyn occupies a 851 m2 plot as recorded by HM Land Registry.
Of the 14 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 4th largest.
Sold Prices
29, Mardley Avenue, Welwyn last changed hands on 19th January 2007, selling for £456,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 97.7% since January 2007.
- Sold Jan 2007£456,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 107 sales of comparable properties within 1.3 kilometres of 29, Mardley Avenue, Welwyn across the last 2 years.
Most recently, 13, Hillside Way, Welwyn, AL6 0TY, a freehold house, sold at £778,000 on the 6th December 2024.
Read more about house prices in AL6.
- Sold Dec 2024£778,000 | 4 Bed House13, Hillside Way, Welwyn, AL6 0TY13, Hillside Way, Welwyn, AL6 0TY
- Sold May 2024£720,000 | 4 Bed House27, Marlborough Close, Welwyn, AL6 0UG27, Marlborough Close, Welwyn, AL6 0UG
- Sold Aug 2021£775,000 | 4 Bed House1, Hillside Way, Welwyn, AL6 0TY1, Hillside Way, Welwyn, AL6 0TY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 29, Mardley Avenue, Welwyn as the 8th largest and the 13th most expensive of the 30 addresses on Mardley Avenue, Welwyn, AL6.
Against the AL6 postcode district average, it is £45k less expensive than the typical property.
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Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School600 m away
- Oaklands Primary School900 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth2.0 km away
- Monk's Walk School3.4 km away
- Ridgeway Academy4.9 km away
- Barnwell School5.0 km away
More reading links
Public Transport Nearby
- Knebworth|2.3 km away
- Welwyn North|2.5 km away
- Watton-at-Stone|4.7 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.












