4 Mary Proud Court, Oak Piece
4 Mary Proud Court, Oak Piece
Description & Estimates







According to the public record, 4 Mary Proud Court, Oak Piece, Welwyn is a modern freehold house with 1,130 ft2 of internal area and sits on a 402 m2 plot.
Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 4 Mary Proud Court, Oak Piece, Welwyn is £548,919 and the estimated rental value is £2,398 per month.
Oak Piece, Welwyn, AL6 is located in the borough of Welwyn Hatfield within the AL6 postal district.
Our Data Sources
4 Mary Proud Court, Oak Piece, Welwyn has a single entry in the Land Registry from August 2017 and a single entry in the EPC database dated May 2017.
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 4 Mary Proud Court, Oak Piece, Welwyn is in very good condition we estimate a sale value of £576,365 and a rental value of £2,517 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £510,495 and a rental value of £2,230 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 4 Mary Proud Court, Oak Piece, Welwyn has dropped by £2,194 (0.4%), while its estimated rental value has risen by £98 per month (4.1%). Based on current estimates, the property offers a gross rental yield of 5.2%.
Plot Size
According to data from HM Land Registry, 4 Mary Proud Court, Oak Piece, Welwyn sits on a plot of 402 m2.
We have plot size data on 6 out of 6 other houses in the postcode and 4 Mary Proud Court, Oak Piece, Welwyn sits on the 3rd largest plot.
Energy Efficiency
4 Mary Proud Court, Oak Piece, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 May 2017.
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, 4 Mary Proud Court, Oak Piece, Welwyn was last sold on 22nd August 2017 for £480,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since August 2017, the market for similar properties has risen by 15.8%.
- Sold Aug 2017£480,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 4 Mary Proud Court, Oak Piece, Welwyn within a radius of 1.4 kilometres over the last 2 years.
The most recent example is 7 Mary Proud Court, Oak Piece, Welwyn, AL6 0XG, a freehold house which sold for £530,000 on the 10th July 2025.
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
Oak Piece, Welwyn, AL6 has a total of 29 addresses. According to our analysis of all the public data, 4 Mary Proud Court, Oak Piece, Welwyn is the 8th largest and the 9th most expensive property on the street.
When compared to the postcode district it is £238k less expensive than the average property in AL6.
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Schools Nearby
- 300mOaklands Primary School
- 1.8kmSt Michael's Woolmer Green CofE VA Primary School
- 1.8kmWelwyn St Mary's Church of England Voluntary Aided Primary School
- 2.3kmMonk's Walk School
- 4.4kmRidgeway Academy
- 5.6kmStanborough School
More reading links
Public Transport Nearby
The closest station to 4 Mary Proud Court, Oak Piece, Welwyn is Welwyn North station, which is 1.8 kilometres away.
- 1.8kmWelwyn North
- 3.2kmKnebworth
- 4.3kmWelwyn Garden City
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.

