6, Mardley Heights
6, Mardley Heights
Description & Estimates
Public records show 6, Mardley Heights, Welwyn to be a mid-century freehold house with 1,571 ft2 of internal area, sitting on a 633 m2 plot.
In this area, houses of this size normally have 4 bedrooms with a garden.
6, Mardley Heights, Welwyn has an estimated sale value of £740,684 and an estimated rental value of £2,759 per month, assuming reasonable condition and based on the information available.
Mardley Heights, Welwyn, AL6 lies in the borough of Welwyn Hatfield, within the AL6 postal district.
Our Data Sources
6, Mardley Heights, Welwyn has 41 entries in the Land Registry , most recently in September 2013 and a single entry in the EPC database dated January 2013.
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 6, Mardley Heights, Welwyn would be worth £777,718, with a potential rental value of £2,897 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £688,836, with a rental value of £2,566 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 6, Mardley Heights, Welwyn has moved down by £8,555 (1.2%) over the last year. During the same period, its estimated monthly rental value has increased by £90 (3.3%). The property's estimated gross yield is currently 4.5%.
Plot Size
6, Mardley Heights, Welwyn occupies a 633 m2 plot as recorded by HM Land Registry.
Of the 13 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
6, Mardley Heights, Welwyn has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Jan 2013.
The property is not connected to mains gas and has mostly double glazing. It is heated using Warm air, mains gas.
Sold Prices
6, Mardley Heights, Welwyn last changed hands on 6th September 2013, selling for £480,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 61.7% since September 2013.
- Sold Sep 2013£480,000
- Sold May 2006£445,000
- Sold Oct 1998£225,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 1.4 kilometres of 6, Mardley Heights, Welwyn across the last 2 years.
Most recently, 31, Hillside Way, Welwyn, AL6 0TY, a freehold house, sold at £715,000 on the 22nd 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 6, Mardley Heights, Welwyn as the 12th largest and the 13th most expensive of the 14 addresses on Mardley Heights, Welwyn, AL6.
Against the AL6 postcode district average, it is £46k less expensive than the typical property.
More reading links
Schools Nearby
- 500mSt Michael's Woolmer Green CofE VA Primary School
- 1.0kmOaklands Primary School
- 1.9kmAll Saints Church of England Voluntary Aided Primary School, Datchworth
- 3.5kmMonk's Walk School
- 4.9kmBarnwell School
- 5.0kmRidgeway Academy
More reading links
Public Transport Nearby
Knebworth station is the nearest stop to 6, Mardley Heights, Welwyn at 2.2 kilometres away.
- 2.2kmKnebworth
- 2.6kmWelwyn North
- 4.6kmWatton-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.
