Our Data Sources
11, Mardley Dell, Welwyn has 21 entries in the Land Registry , most recently in March 2020 and a single entry in the EPC database dated December 2018.
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 11, Mardley Dell, Welwyn would be worth £1,007,840, with a potential rental value of £2,935 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £892,659, with a rental value of £2,600 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
11, Mardley Dell, Welwyn occupies a 507 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
11, Mardley Dell, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Dec 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
11, Mardley Dell, Welwyn last changed hands on 11th March 2020, selling for £752,000. 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 20.3% since March 2020.
- Sold Mar 2020£752,000
- Sold Nov 1998£270,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 1.3 kilometres of 11, Mardley Dell, Welwyn across the last 2 years.
Most recently, 15, The Drive, Welwyn, AL6 0TW, a freehold house, sold at £890,000 on the 5th February 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 11, Mardley Dell, Welwyn as the 6th largest and the 5th most expensive of the 16 addresses on Mardley Dell, Welwyn, AL6.
Against the AL6 postcode district average, it is £173k more expensive than the typical property.
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Schools Nearby
- 500mSt Michael's Woolmer Green CofE VA Primary School
- 1.0kmOaklands Primary School
- 1.9kmKnebworth Primary and Nursery School
- 3.5kmMonk's Walk School
- 4.8kmBarnwell School
- 5.1kmRidgeway Academy
More reading links
Public Transport Nearby
- 2.1kmKnebworth
- 2.7kmWelwyn North
- 4.7kmWatton-at-Stone
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.
