Our Data Sources
27, Mardleywood, Welwyn has 41 entries in the Land Registry , most recently in February 2009 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 27, Mardleywood, Welwyn, we estimate a market value of £938,629 and a rental value of £2,910 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £831,357 and £2,577 per month respectively.
Sold Prices
The most recent sale of 27, Mardleywood, Welwyn completed on 13th February 2009 at £405,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 104.4% over the period since February 2009.
- Sold Feb 2009£405,000
- Sold Sep 2004£463,000
- Sold Jul 2001£327,000
Similar Properties Sold Nearby
Over the past 2 years 103 properties similar to 27, Mardleywood, Welwyn have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th April 2025, was 2A, Firway, Welwyn, AL6 0RD, a freehold house which sold for £825,000.
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
Of the 28 addresses on Mardleywood, Welwyn, AL6, 27, Mardleywood, Welwyn comes out as the 17th largest and the 12th most expensive in our analysis of the public data.
It is also £93k more expensive than the average property across the AL6 district.
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Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School700 m away
- Oaklands Primary School800 m away
- Knebworth Primary and Nursery School2.0 km away
- Monk's Walk School3.3 km away
- Barnwell School4.9 km away
- Ridgeway Academy5.0 km away
More reading links
Public Transport Nearby
- Knebworth|2.3 km away
- Welwyn North|2.6 km away
- Watton-at-Stone|4.9 km away
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.












