8, Mardley Dell
8, Mardley Dell
Description & Estimates







8, Mardley Dell, Welwyn appears in the public record as a freehold house sitting on a 823 m2 plot.
By comparing it to nearby properties, we estimate it to be a modern house with 2,107 ft2 of internal area and a garden.
Locally, houses of this size normally have 5 bedrooms.
Our estimate of the sale value of 8, Mardley Dell, Welwyn is £906,400 and its rental estimate is £3,196 per month, given the available information and assuming reasonable condition.
Mardley Dell, Welwyn, AL6 falls within the AL6 postal district, in the borough of Welwyn Hatfield.
Our Data Sources
8, Mardley Dell, Welwyn has a single entry in the Land Registry from October 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 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 8, Mardley Dell, Welwyn, we estimate a market value of £951,720 and a rental value of £3,356 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £842,952 and £2,972 per month respectively.
Recent Market Change
Over the last year, 8, Mardley Dell, Welwyn has seen its estimated sale value decline by £15,131 (1.7%) and its estimated rental value climb by £94 per month (2.9%). This results in an estimated gross rental yield of 4.2%.
Plot Size
HM Land Registry records the plot of land for 8, Mardley Dell, Welwyn as measuring 823 m2.
That makes it the 2nd largest plot in the postcode, where all 16 other houses have recorded plot data.
Sold Prices
The most recent sale of 8, Mardley Dell, Welwyn completed on 4th October 2007 at £650,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 95.2% over the period since October 2007.
- Sold Oct 2007£650,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 8, Mardley Dell, Welwyn have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th February 2025, was 15, The Drive, Welwyn, AL6 0TW, a freehold house which sold for £890,000.
Read more about house prices in AL6.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 16 addresses on Mardley Dell, Welwyn, AL6, 8, Mardley Dell, Welwyn comes out as the 3rd largest and the 9th most expensive in our analysis of the public data.
It is also £119k more expensive than the average property across the AL6 district.
More reading links
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
From 8, Mardley Dell, Welwyn, the nearest station is Knebworth, 2.1 kilometres away.
- 2.1kmKnebworth
- 2.7kmWelwyn North
- 4.7kmWatton-at-Stone
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

