Our Data Sources
2, Mardley Avenue, Welwyn has a single entry in the Land Registry from April 2009 and a single entry in the EPC database dated July 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 2, Mardley Avenue, Welwyn is in very good condition we estimate a sale value of £760,025 and a rental value of £2,972 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £673,165 and a rental value of £2,633 per month.
Plot Size
According to data from HM Land Registry, 2, Mardley Avenue, Welwyn sits on a plot of 939 m2.
We have plot size data on 12 out of 13 other houses in the postcode and 2, Mardley Avenue, Welwyn sits on the 2nd largest plot.
Energy Efficiency
2, Mardley Avenue, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Jul 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 2, Mardley Avenue, Welwyn was last sold on 21st April 2009 for £275,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since April 2009, the market for similar properties has risen by 108.6%.
- Sold Apr 2009£275,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 185 sales of properties similar to 2, Mardley Avenue, Welwyn within a radius of 1.2 kilometres over the last 2 years.
The most recent example is 31, Hillside Way, Welwyn, AL6 0TY, a freehold house which sold for £715,000 on the 22nd October 2025.
Read more about house prices in AL6.
- Sold Oct 2025£715,000 | 4 Bed House31, Hillside Way, Welwyn, AL6 0TY31, Hillside Way, Welwyn, AL6 0TY
- Sold May 2024£720,000 | 4 Bed House27, Marlborough Close, Welwyn, AL6 0UG27, Marlborough Close, Welwyn, AL6 0UG
- Sold Dec 2020£615,000 | 4 Bed House24, Marlborough Close, Welwyn, AL6 0UG24, Marlborough Close, Welwyn, AL6 0UG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Mardley Avenue, Welwyn, AL6 has a total of 30 addresses. According to our analysis of all the public data, 2, Mardley Avenue, Welwyn is the 17th largest and the 17th most expensive property on the street.
When compared to the postcode district it is £77k less expensive than the average property in AL6.
More reading links
Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School700 m away
- Oaklands Primary School800 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth2.1 km away
- Monk's Walk School3.3 km away
- Ridgeway Academy4.9 km away
- Barnwell School5.0 km away
More reading links
Public Transport Nearby
- Knebworth|2.4 km away
- Welwyn North|2.5 km away
- Watton-at-Stone|4.8 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
