7, Mardley Heights
7, Mardley Heights
Description & Estimates
7, Mardley Heights, Welwyn appears in the public record as a freehold house sitting on a 879 m2 plot.
By comparing it to nearby properties, we estimate it to be a mid-century house with 2,361 ft2 of internal area and a garden.
Locally, houses of this size normally have 5 bedrooms.
Our estimate of the sale value of 7, Mardley Heights, Welwyn is £912,513 and its rental estimate is £3,395 per month, given the available information and assuming reasonable condition.
Mardley Heights, Welwyn, AL6 falls within the AL6 postal district, in the borough of Welwyn Hatfield.
Our Data Sources
7, Mardley Heights, Welwyn has 21 entries in the Land Registry , most recently in March 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 1 out of 5 and is considered of low 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 7, Mardley Heights, Welwyn, we estimate a market value of £958,139 and a rental value of £3,565 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £848,637 and £3,157 per month respectively.
Recent Market Change
Over the last year, 7, Mardley Heights, Welwyn has seen its estimated sale value decrease by £15,233 (1.7%) and its estimated rental value grow by £100 per month (2.9%). This results in an estimated gross rental yield of 4.5%.
Plot Size
HM Land Registry records the plot of land for 7, Mardley Heights, Welwyn as measuring 879 m2.
That makes it the 2nd largest plot in the postcode, where 12 of the 13 other houses have recorded plot data.
Sold Prices
The most recent sale of 7, Mardley Heights, Welwyn completed on 16th March 2007 at £575,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 108.6% over the period since March 2007.
- Sold Mar 2007£575,000
- Sold Feb 1996£191,500
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 7, Mardley Heights, Welwyn have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 15, Marlborough Close, Welwyn, AL6 0UG, a freehold house which sold for £1,150,000.
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 14 addresses on Mardley Heights, Welwyn, AL6, 7, Mardley Heights, Welwyn comes out as the largest and the 2nd most expensive in our analysis of the public data.
It is also £125k 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
- 1.9kmAll 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
From 7, Mardley Heights, Welwyn, the nearest station is Knebworth, 2.2 kilometres away.
- 2.2kmKnebworth
- 2.6kmWelwyn North
- 4.6kmWatton-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.
