Our Data Sources
17, Mardley Dell, Welwyn has a single entry in the Land Registry from July 2010 and a single entry in the EPC database dated February 2010.
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
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 17, Mardley Dell, Welwyn, we estimate a market value of £984,204 and a rental value of £2,867 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £871,724 and £2,539 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Mardley Dell, Welwyn as measuring 616 m2.
That makes it the 5th largest plot in the postcode, where all 16 other houses have recorded plot data.
Energy Efficiency
17, Mardley Dell, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Feb 2010.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 17, Mardley Dell, Welwyn completed on 1st July 2010 at £585,000 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 80.8% over the period since July 2010.
- Sold Jul 2010£585,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 17, 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.
- Sold Feb 2025£890,000 | 4 Bed House15, The Drive, Welwyn, AL6 0TW15, The Drive, Welwyn, AL6 0TW
- Sold Jun 2021£900,000 | 4 Bed House19, Mardley Dell, Welwyn, AL6 0UR19, Mardley Dell, Welwyn, AL6 0UR
- Sold Mar 2020£752,000 | 4 Bed House11, Mardley Dell, Welwyn, AL6 0UR11, Mardley Dell, Welwyn, AL6 0UR
•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, 17, Mardley Dell, Welwyn comes out as the 7th largest and the 6th most expensive in our analysis of the public data.
It is also £150k 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
- 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.
