Mardleybury Road, Datchworth, Knebworth, SG3 6SG

People

Gender

In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding SG3 6SG has a slightly higher male population, with 51.5% of residents being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Female	47.5%	48.5%	1.0%	51.0%	-2.5%
Male	52.5%	51.5%	-1.0%	49.0%	2.5%

Partnership Status

Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Single	34.5%	30.4%	-4.1%	37.9%	-7.5%
Married: Opposite sex	46.5%	50.4%	3.9%	44.2%	6.2%
Separated	2.2%	2.8%	0.6%	2.2%	0.6%
Divorced	10.5%	11.2%	0.7%	9.1%	2.1%
Widowed	6.2%	5.2%	-1.0%	6.1%	-0.9%

Health

Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.

Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.

This area has a high percentage of residents reporting their health as Good or Very Good (86.4%) compared to the average (82%). This typically indicates either a younger population or more affluent area.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Very good health	48.1%	50.6%	2.5%	48.4%	2.2%
Good health	37.2%	35.8%	-1.4%	33.6%	2.2%
Fair health	10.9%	9%	-1.9%	12.7%	-3.7%
Bad health	2.9%	3.9%	1.0%	4.0%	-0.1%
Very bad health	0.9%	0.6%	-0.3%	1.2%	-0.6%

Education and Qualifications

During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
No qualifications	17.8%	13.9%	-3.9%	18.2%	-4.3%
1-4 GCSEs or Equivalent	11.3%	10.7%	-0.6%	9.6%	1.1%
5 or more GCSEs, an A-Level or 1-2 AS Levels	20%	14.7%	-5.3%	13.4%	1.3%
Apprenticeship	2.5%	5.6%	3.1%	5.3%	0.3%
HNC, HND or 2+ A Levels	12.7%	19.4%	6.7%	16.9%	2.5%
Degree or Similar	31.6%	33.7%	2.1%	33.8%	-0.1%
Other	4%	2%	-2.0%	2.8%	-0.8%

Culture

Ethnic Group

In this area, the population is predominantly white, with 94.5% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Bangladeshi	0%	0.3%	0.3%	1.1%	-0.8%
Indian	0.6%	0%	-0.6%	3.1%	-3.1%
Black African	0.3%	1.3%	1.0%	2.5%	-1.2%
Black Caribbean	0%	0.3%	0.3%	1.0%	-0.7%
Other Black	0.3%	0%	-0.3%	0.5%	-0.5%
Mixed White and Asian	0.9%	0.3%	-0.6%	0.8%	-0.5%
Mixed White and African	0%	0.6%	0.6%	0.4%	0.2%
Mixed White and Caribbean	0.9%	1%	0.1%	0.9%	0.1%
Mixed Other	0.3%	1%	0.7%	0.8%	0.2%
White	96.8%	94.5%	-2.3%	81.4%	13.1%
Gypsy or Irish Traveller	0%	0.3%	0.3%	0.1%	0.2%
Other	0%	0.3%	0.3%	1.6%	-1.3%

Country of Birth

In this area, 94.2% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
United Kingdom	94.1%	94.2%	0.1%	83.2%	11.0%
European Union	1.2%	2.6%	1.4%	6.1%	-3.5%
Rest of Europe	0%	0.3%	0.3%	0.8%	-0.5%
Africa	2.4%	2.3%	-0.1%	2.7%	-0.4%
Middle East and Asia	1.5%	0.3%	-1.2%	5.6%	-5.3%
The Americas and the Caribbean	0%	0.3%	0.3%	1.3%	-1.0%
Oceania	0.9%	0%	-0.9%	0.3%	-0.3%

Length of Residence

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Born in the UK	93.5%	93.9%	0.4%	83.2%	10.7%
10+ Years	0.6%	5.5%	4.9%	9.8%	-4.3%
5-10 Years	0.9%	0.3%	-0.6%	2.9%	-2.6%
2-5 Years	1.5%	0.3%	-1.2%	2.2%	-1.9%
Less than 2 years	3.5%	0%	-3.5%	1.9%	-1.9%

Passport Held

	2021	UK Average	postcode vs UK (pp)
United Kingdom	86.7%	76.7%	10.0%
Ireland	0.6%	0.6%	0.0%
Portugal	0.3%	0.5%	-0.2%
Lithuania	0.3%	0.3%	0.0%
Poland	0.3%	1.3%	-1.0%
Romania	1.3%	0.9%	0.4%
Other EU countries	0.3%	1.5%	-1.2%
South and Eastern Africa	0.3%	0.2%	0.1%
No passport held	9.7%	13.5%	-3.8%

Religion

	2021	UK Average	postcode vs UK (pp)
No religion	38.9%	37.2%	1.7%
Christian	56.3%	46.2%	10.1%
Jewish	0.6%	0.5%	0.1%
Muslim	0.3%	6.5%	-6.2%
Other religion	1.6%	0.6%	1.0%
Not answered	2.3%	6.0%	-3.7%

Safety

Is Mardleybury Road dangerous?

Over the last 12 months, the overall crime rate around Mardleybury Road was 47.2 per 1,000 residents, which is 16.4% higher than the Welwyn East average. The most reported crime type was Violence and sexual offences.

Mardleybury Road has the 4th highest crime rate of 18 local areas in Welwyn East and the 121st lowest crime rate of 363 local areas in Welwyn Hatfield .

Violent and sexual offences accounted for around 26.6 crimes per 1,000 residents and have remained broadly unchanged year on year. Over the last decade, overall crime has fallen by about -67.4%.

🔎 See full breakdown of local crime, hotspots & trends

Affluence

Household Income

Households in this area have a much higher level of wealth compared to the average household in England and Wales. 96% of analyzed areas in England and Wales have lower average household annual income than this area.

Average Household Income
£68,300

Income Rank
10/10

Household Income in SG3 6SG, Local Authority and Region

Deprivation

Index of Multiple Deprivation (IMD) - 2/10 (very low )
Indices of multiple deprivation (IMD) is used to classify the relative deprivation (a measure of poverty) of the area. It considers the following domains:
Income Deprivation Domain - 3/10 (low )
The Income Deprivation Domain measures the percentage of people in the population who are experiencing poverty due to having a low income. It includes both those who are unemployed and those who are employed but earn very little (and who satisfy the respective means tests).
Employment Deprivation Domain - 2/10 (very low )
The Employment Deprivation Domain measures the proportion of the working-age population in an area involuntarily excluded from the labour market. This includes people who would like to work but are unable to do so due to unemployment, sickness or disability, or caring responsibilities.
Education, Skills and Training Domain - 3/10 (low )
The Education, Skills, and Training Deprivation Domain measures the lack of education and skills in a local area. It has two parts: one for children and young people, and one for adults. The part for children and young people looks at their school achievements ('flow'), while the part for adults looks at the number of adults without qualifications ('stock').
Health Deprivation and Disability Domain - 2/10 (very low )
The Health Deprivation and Disability Domain measures the risk of early death and poor quality of life due to bad physical or mental health. It looks at illness, disability, and early death, but not at behaviors or environments that might affect future health.
Crime Domain - 1/10 (very low )
The Crime Domain measures the risk of people and property being victims of crime in a local area.
Barriers to Housing and Services Domain - 8/10 (high )
The Barriers to Housing and Services Domain measures how easy or hard it is to access housing and local services. It has two parts: one looks at how close local services are, and the other looks at issues like how affordable housing is.
Living Environment Deprivation Domain - 2/10 (very low )
The Living Environment Deprivation Domain measures the quality of the local environment. It has two parts: the "indoors" part looks at housing quality, and the "outdoors" part looks at air quality and road traffic accidents.
Income Deprivation Affecting Children Index (IDACI) - 3/10 (low )
The Income Deprivation Affecting Children Index (IDACI) measures how many children aged 0 to 15 live in low-income families. It is part of the Income Deprivation Domain, which looks at how many people in an area have low incomes. This includes both those who are unemployed and those who work but earn very little (and who satisfy the respective means tests).
Income Deprivation Affecting Older People Index (IDAOPI) - 3/10 (low )
The Income Deprivation Affecting Older People Index (IDAOPI) measures the percentage of people aged 60 or older who have low income. It is part of the Income Deprivation Domain, which looks at how many people in an area have low income, including both unemployed people and those with low-paying jobs (and who satisfy the respective means tests).

Property Prices

Average property prices on Mardleybury Road are based on 63 property sales since the beginning of 1995. Estimated property prices are calculated by adjusting the last sale price by current House Price Index for Welwyn Hatfield.
StreetScan downloads house price data directly from the HM Land Registry and uses it to create these statistics.

House Prices for Mardleybury Road, Datchworth, Knebworth, SG3 6SG

Estimated Average Property Prices for SG3 6SG

Average Price
£4,690,672

Semi-Detached
no sales

Terraced
no sales

Detached
£4,690,672

Flats/Maisonettes
no sales

Other
no sales

Estimated Average Property Prices for Mardleybury Road

Average Price
£443,103

Semi-Detached
£571,098

Terraced
£364,356

Detached
£4,705,224

Flats/Maisonettes
no sales

Other
no sales

Property Prices Comparison

Latest Property Sales on Mardleybury Road

Address	Sale Price	Sale Date	Price Estimate 2025
Mardleybury Manor Mardleybury Road, Knebworth, Hertfordshire Detached, an established residential building	£2,600,000	2007-08-23	£4,705,224

View All Property Sales and Other Statistics for SG3 6SG

Employment

SG3 6SG area has a very high level of entrepreneurship. Only 11% of streets have higher percent of entrepreneur residents. 14% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.

SG3 6SG area has a low unemployment rate. According to Census 2021, 0% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.

Economic Activity

Full-Time Employee	105
Retired	45
Self-Employed	36
Part-Time Employee	27
Student (economically inactive)	10
Full-Time Student (with or without job)	9
Looking after home or family	8
Long-Term Sick or disabled	8
Unemployed	1
Other	0

Employment Industry

Wholesale and retail trade; repair of motor vehicles and motor cycles	36
Education	23
Human health and social work activities	22
Construction	20
Manufacturing	18
Professional, scientific and technical activities	16
Other	12
Administrative and support service activities	10
Transport and storage	9
Information and communication	8
Financial and insurance activities	7
Public administration and defence; compulsory social security	7
Real estate activities	4
Accommodation and food service activities	4
Water supply; sewerage, waste management and remediation activities	4
Agriculture, forestry and fishing	3

Schools

Nursery

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Tenterfield Nursery School London Road , AL6 9JF	4out of 4	4,246 yd	Local authority nursery school	Yes	Mixed	More About School
Peartree Way Nursery School Peartree Way , SG2 9EA	3out of 4	5,034 yd	Local authority nursery school	Yes	Mixed	More About School

Primary

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
St Michael's Woolmer Green CofE VA Primary School London Road , SG3 6JP	3out of 4	537 yd	Voluntary aided school	No	Mixed	More About School
All Saints Church of England Voluntary Aided Primary School, Datchworth Hollybush Lane , Datchworth SG3 6RE	3out of 4	1,109 yd	Voluntary aided school	No	Mixed	More About School
Knebworth Primary and Nursery School Swangleys Lane , SG3 6AA	3out of 4	1,722 yd	Community school	Yes	Mixed	More About School
Oaklands Primary School Great North Road , Oaklands AL6 0PX	3out of 4	2,073 yd	Community school	No	Mixed	More About School
Shephalbury Park Primary School Burydale , Broadwater SG2 8AX	3out of 4	3,847 yd	Community school	Yes	Mixed	More About School

Secondary

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Barnwell School Barnwell , SG2 9SW	2out of 4	4,681 yd	Foundation school	No	Mixed	More About School
Monk's Walk School Knightsfield , AL8 7NL	3out of 4	4,718 yd	Academy converter	No	Mixed	More About School

Not applicable

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Sherrardswood School Lockleys , AL6 0BJ	- not rated	3,676 yd	Other independent school	Yes	Mixed	More About School
Knightsfield School Knightsfield , AL8 7LW	4out of 4	4,406 yd	Academy special converter	Not Applicable	Mixed	More About School
Greenside School Shephall Green , SG2 9XS	3out of 4	4,632 yd	Community special school	Yes	Mixed	More About School
The Valley School Broadhall Way , SG2 9BN	3out of 4	4,818 yd	Community special school	Not Applicable	Mixed	More About School

School statistics for this postcode are based on Ofsted rankings.

Food and Drink

Restaurants, Cafes, Canteens

Business Name	Address	Distance
We R Cakes	Unit 1, Mardleybury Farm	24 yd
Knebworth Care Home	59 London Road, Woolmer Green	830 yd
Datchworth Coffee	3 Datchworth Green, Datchworth	858 yd

Pubs, Bars, Nightclubs

Business Name	Address	Distance
The Chequers Inn	16 London Road, Woolmer Green	597 yd
The Red Lion	26 London Road, Woolmer Green	669 yd
The Plough	5 Datchworth Green, Datchworth	858 yd
Datchworth Sports Club	Datchworth Green, Datchworth	858 yd

Takeaway, Sandwich Shops

Business Name	Address	Food hygiene rating	Distance
Mr Low Chinese Takeaway	20A London Road, Woolmer Green		629 yd

Supermarkets, Hypermarkets

Business Name	Address	Food hygiene rating	Distance
Tesco	Unit 4, Kellard House		934 yd

Sport

Facility Name	Sport Objects	Distance
St Michael'S Woolmer Green Cofe Va Primary School LONDON ROAD	grass pitches	655 yd
Woolmer Green Recreation Ground VILLAGE HALL VILLAGE HALL HALL LANE	grass pitches	799 yd
Datchworth Sports Club DATCHWORTH SPORTS CLUB DATCHWORTH SPORTS CLUB DATCHWORTH GREEN	grass pitches, tennis courts	824 yd

Broadband

Technology Aviability

Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband	62.5%
Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband	54.2%
Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband	54.2%
Percentage of premises that have coverage from a Gigabit capable service from fixed broadband	54.2%

Speed Aviability

Percentage of premises unable to receive 2Mbit/s	0.0%
Percentage of premises unable to receive 5Mbit/s	0.0%
Percentage of premises unable to receive 10Mbit/s	0.0%
Percentage of premises unable to receive 30Mbit/s	33.3%

Download Speed

Median download speed	7.6 Mbit/s
Average download speed	12.4 Mbit/s
Minimum download speed	20.34 Mbit/s
Maximum download speed	20.34 Mbit/s

Upload Speed

Median upload speed	3.9 Mbit/s
Average upload speed	3.9 Mbit/s
Maximum upload speed	6.55 Mbit/s

Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.