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4, Marlborough Close, Welwyn is recorded publicly as a modern freehold house across 2,034 ft2 of internal area, sitting on a 770 m2 plot.
Locally, houses of this size normally have 5 bedrooms with a garden.
Our estimate of the sale value of 4, Marlborough Close, Welwyn is £846,812 and its rental estimate is £3,145 per month, given the available information and assuming reasonable condition.
Marlborough Close, Welwyn, AL6 falls within the AL6 postal district, in the borough of Welwyn Hatfield.
4, Marlborough Close, Welwyn has 2 entries in the Land Registry , most recently in December 2020 and a single entry in the EPC database dated May 2012.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
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 4, Marlborough Close, Welwyn, we estimate a market value of £889,153 and a rental value of £3,302 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £787,535 and £2,925 per month respectively.
Over the last year, 4, Marlborough Close, Welwyn has seen its estimated sale value drop by £14,137 (1.7%) and its estimated rental value rise by £92 per month (2.9%). This results in an estimated gross rental yield of 4.5%.
HM Land Registry records the plot of land for 4, Marlborough Close, Welwyn as measuring 770 m2.
That makes it the largest plot in the postcode, where all 29 other houses have recorded plot data.
4, Marlborough Close, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 May 2012.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
The most recent sale of 4, Marlborough Close, Welwyn completed on 4th December 2020 at £930,000 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 26.3% over the period since December 2020.
Over the past 2 years 3 properties similar to 4, Marlborough Close, Welwyn have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th May 2025, was 16, Marlborough Close, Welwyn, AL6 0UG, a freehold house which sold for £675,000.
Read more about house prices in AL6.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 29 addresses on Marlborough Close, Welwyn, AL6, 4, Marlborough Close, Welwyn comes out as the 4th largest and the 4th most expensive in our analysis of the public data.
It is also £60k more expensive than the average property across the AL6 district.
From 4, Marlborough Close, Welwyn, the nearest station is Welwyn North, 2.4 kilometres away.
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
The flood risk here is rated very low, based on Environment Agency data.
The recent census recorded whether a resident owned or rented their home.
In the area around 4, Marlborough Close, Welwyn, 55.5% of property is privately owned outright and 37.7% is privately owned with a mortgage.
The graph below shows how this compares to East of England and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 4, Marlborough Close, Welwyn, 18.8% of residents are recorded as possessing school level qualifications and 47.4% as possessing degree level qualifications.
The graph below shows how this compares to East of England and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 4, Marlborough Close, Welwyn, the average age was 45.8 and the most common age was 57.
The graph below shows how this compares to East of England and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 4, Marlborough Close, Welwyn, 1.6% of property was a second home.
Comparison figures for East of England and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 4, Marlborough Close, Welwyn, there are an average of 1.9 cars per household.
See below for how this compares to East of England and the rest of England & Wales.
