Our Data Sources
9, Mardleywood, Welwyn has no records in the the Land Registry and a single entry in the EPC database dated July 2023.
We combine this information with public data 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 9, Mardleywood, Welwyn would be worth £1,281,533, with a potential rental value of £3,826 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,135,072, with a rental value of £3,389 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
9, Mardleywood, Welwyn occupies a 563 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
9, Mardleywood, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Jul 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 62 sales of comparable properties within 1.1 kilometres of 9, Mardleywood, Welwyn across the last 2 years.
Most recently, 12, The Drive, Welwyn, AL6 0TR, a freehold house, sold at £1,200,000 on the 31st March 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 9, Mardleywood, Welwyn as the largest and the most expensive of the 28 addresses on Mardleywood, Welwyn, AL6.
Against the AL6 postcode district average, it is £420k more expensive than the typical property.
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Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School700 m away
- Oaklands Primary School800 m away
- Knebworth Primary and Nursery School2.0 km away
- Monk's Walk School3.3 km away
- Barnwell School4.9 km away
- Ridgeway Academy5.0 km away
More reading links
Public Transport Nearby
- Knebworth|2.3 km away
- Welwyn North|2.6 km away
- Watton-at-Stone|4.9 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.
