Mardley Hill, Welwyn, AL6 0TT

People

Gender

In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding AL6 0TT has a slightly higher male population, with 51.3% 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	49.9%	48.7%	-1.2%	51.0%	-2.3%
Male	50.1%	51.3%	1.2%	49.0%	2.3%

Partnership Status

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

In the immediate vicinity of AL6 0TT there is a very large concentration of residents that are married - 70.4% of the resident population. In contrast, the average marriage rate across the census is about 44%.

Areas with a high percentage of married residents are typically suburban neighborhoods, towns with good schools and family-friendly amenities, and regions with affordable, spacious housing options. Additionally, such areas can be popular among retirees.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Single	20.2%	17.8%	-2.4%	37.9%	-20.1%
Married: Opposite sex	69%	70.4%	1.4%	44.2%	26.2%
Separated	2.7%	2%	-0.7%	2.2%	-0.2%
Divorced	3.7%	3.9%	0.2%	9.1%	-5.2%
Widowed	4.4%	5.9%	1.5%	6.1%	-0.2%

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 (86.9%) 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	50.4%	53.9%	3.5%	48.4%	5.5%
Good health	34.3%	33%	-1.3%	33.6%	-0.6%
Fair health	12.2%	11.3%	-0.9%	12.7%	-1.4%
Bad health	2.8%	0.8%	-2.0%	4.0%	-3.2%
Very bad health	0.3%	1.1%	0.8%	1.2%	-0.1%

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.

In the area around AL6 0TT this area, 8.6% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. This area stands out for its high percentage of residents with higher education degree or similar. The UK average is 33.8%, while in this area it is 47.4%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
No qualifications	7.1%	8.6%	1.5%	18.2%	-9.6%
1-4 GCSEs or Equivalent	10.1%	7.6%	-2.5%	9.6%	-2.0%
5 or more GCSEs, an A-Level or 1-2 AS Levels	16.8%	10.9%	-5.9%	13.4%	-2.5%
Apprenticeship	2.7%	4.3%	1.6%	5.3%	-1.0%
HNC, HND or 2+ A Levels	13.1%	19.7%	6.6%	16.9%	2.8%
Degree or Similar	47.1%	47.4%	0.3%	33.8%	13.6%
Other	3%	1.6%	-1.4%	2.8%	-1.2%

Culture

Ethnic Group

This area closely mirrors the overall ethnic composition of the UK, with 84.8% of the population identifying as white, with UK average of 81.4%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Chinese	0%	0.5%	0.5%	0.7%	-0.2%
Indian	1.4%	3%	1.6%	3.1%	-0.1%
Other Asian	1.7%	0.8%	-0.9%	1.6%	-0.8%
Black African	1.1%	0%	-1.1%	2.5%	-2.5%
Black Caribbean	0.3%	4.1%	3.8%	1.0%	3.1%
Other Black	0%	0.3%	0.3%	0.5%	-0.2%
Mixed White and Asian	1.7%	1.9%	0.2%	0.8%	1.1%
Mixed Other	0.3%	1.1%	0.8%	0.8%	0.3%
White	93.5%	84.8%	-8.7%	81.4%	3.4%
Other	0%	3.5%	3.5%	1.6%	1.9%

Country of Birth

In this area, 91.2% 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	92.4%	91.2%	-1.2%	83.2%	8.0%
European Union	2.8%	1.9%	-0.9%	6.1%	-4.2%
Rest of Europe	0%	0.8%	0.8%	0.8%	0.0%
Africa	0.8%	1.1%	0.3%	2.7%	-1.6%
Middle East and Asia	3.4%	3.2%	-0.2%	5.6%	-2.4%
The Americas and the Caribbean	0%	1.6%	1.6%	1.3%	0.3%
Oceania	0.3%	0.3%	0.0%	0.3%	0.0%
British Overseas	0.3%	0%	-0.3%	0.0%	0.0%

Length of Residence

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Born in the UK	91.5%	91.4%	-0.1%	83.2%	8.2%
10+ Years	0.3%	8.1%	7.8%	9.8%	-1.7%
2-5 Years	0.3%	0.5%	0.2%	2.2%	-1.7%
Less than 2 years	7.9%	0%	-7.9%	1.9%	-1.9%

Passport Held

	2021	UK Average	postcode vs UK (pp)
United Kingdom	95.7%	76.7%	19.0%
Ireland	0.3%	0.6%	-0.3%
Other EU countries	0.8%	1.5%	-0.7%
No passport held	3.2%	13.5%	-10.3%

Religion

	2021	UK Average	postcode vs UK (pp)
No religion	38%	37.2%	0.8%
Christian	49.7%	46.2%	3.5%
Buddhist	0.8%	0.5%	0.3%
Hindu	1.3%	1.7%	-0.4%
Jewish	3.2%	0.5%	2.7%
Muslim	2.1%	6.5%	-4.4%
Other religion	0.3%	0.6%	-0.3%
Not answered	4.5%	6.0%	-1.5%

Safety

Is Mardley Hill Street dangerous?

Over the last 12 months, the overall crime rate around Mardley Hill was 20.4 per 1,000 residents, which is 49.8% lower than the Welwyn East average. The most reported crime type was Anti-social behaviour.

Mardley Hill has the 5th lowest crime rate of 18 local areas in Welwyn East and the 40th lowest crime rate of 363 local areas in Welwyn Hatfield .

Violent and sexual offences accounted for around 5.1 crimes per 1,000 residents and have remained broadly unchanged year on year. Over the last decade, overall crime has fallen by about -70.5%.

🔎 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 AL6 0TT, Local Authority and Region

Deprivation

Index of Multiple Deprivation (IMD) - 1/10 (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 - 1/10 (very 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 - 1/10 (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 - 1/10 (very 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 - 1/10 (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 - 2/10 (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 - 4/10 (below average )
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 - 3/10 (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) - 1/10 (very 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) - 1/10 (very 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 Mardley Hill are based on 56 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 Mardley Hill, Welwyn, AL6 0TT

Estimated Average Property Prices for AL6 0TT

Average Price
£852,894

Semi-Detached
no sales

Terraced
£982,371

Detached
£809,735

Flats/Maisonettes
no sales

Other
no sales

Estimated Average Property Prices for Mardley Hill

Average Price
£912,509

Semi-Detached
£799,856

Terraced
£1,003,629

Detached
£907,809

Flats/Maisonettes
no sales

Other
no sales

Property Prices Comparison

Latest Property Sales on Mardley HillStreet

Address	Sale Price	Sale Date	Price Estimate 2025
49 Mardley Hill, Welwyn, Hertfordshire Detached, an established residential building	£950,000	2025-09-02	£950,000
45 Mardley Hill, Welwyn, Hertfordshire Detached, an established residential building	£575,000	2025-02-07	£572,639
39 Mardley Hill, Welwyn, Hertfordshire Detached, an established residential building	£1,350,000	2022-11-24	£1,313,440
47 Mardley Hill, Welwyn, Hertfordshire Terraced, an established residential building	£875,000	2020-06-04	£1,020,833
29 Mardley Hill, Welwyn, Hertfordshire Detached, an established residential building	£857,000	2018-02-20	£956,605

View All Property Sales and Other Statistics for AL6 0TT

Employment

AL6 0TT 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.

AL6 0TT area has a low unemployment rate. According to Census 2021, 1% 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	92
Retired	90
Self-Employed	44
Part-Time Employee	42
Looking after home or family	14
Student (economically inactive)	11
Unemployed	4
Long-Term Sick or disabled	4
Other	3
Full-Time Student (with or without job)	1

Employment Industry

Professional, scientific and technical activities	27
Education	21
Wholesale and retail trade; repair of motor vehicles and motor cycles	20
Manufacturing	19
Human health and social work activities	17
Information and communication	17
Other	14
Construction	11
Financial and insurance activities	9
Public administration and defence; compulsory social security	6
Accommodation and food service activities	5
Transport and storage	3
Administrative and support service activities	3
Real estate activities	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	3,259 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	587 yd	Voluntary aided school	No	Mixed	More About School
Oaklands Primary School Great North Road , Oaklands AL6 0PX	3out of 4	1,031 yd	Community school	No	Mixed	More About School
Knebworth Primary and Nursery School Swangleys Lane , SG3 6AA	3out of 4	2,094 yd	Community school	Yes	Mixed	More About School
All Saints Church of England Voluntary Aided Primary School, Datchworth Hollybush Lane , Datchworth SG3 6RE	3out of 4	2,156 yd	Voluntary aided school	No	Mixed	More About School
Welwyn St Mary's Church of England Voluntary Aided Primary School 15 London Road , AL6 9DJ	4out of 4	3,350 yd	Voluntary aided school	No	Mixed	More About School

Secondary

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Monk's Walk School Knightsfield , AL8 7NL	3out of 4	3,814 yd	Academy converter	No	Mixed	More About School
Barnwell School Barnwell , SG2 9SW	2out of 4	5,247 yd	Foundation school	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	2,731 yd	Other independent school	Yes	Mixed	More About School
Knightsfield School Knightsfield , AL8 7LW	4out of 4	3,505 yd	Academy special converter	Not Applicable	Mixed	More About School
Greenside School Shephall Green , SG2 9XS	3out of 4	5,136 yd	Community special school	Yes	Mixed	More About School
The Valley School Broadhall Way , SG2 9BN	3out of 4	5,163 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
Busy Bees Nursery	1 Mardley Hill, Welwyn	357 yd
Ocean Star	76 Great North Road, Welwyn	859 yd
Knebworth Care Home	59 London Road, Woolmer Green	1,008 yd
We R Cakes	Unit 1, Mardleybury Farm	1,082 yd

Pubs, Bars, Nightclubs

Business Name	Address	Distance
The Chequers Inn	16 London Road, Woolmer Green	625 yd
The Red Lion	26 London Road, Woolmer Green	740 yd
The North Star	82 Great North Road, Welwyn	859 yd

Takeaway, Sandwich Shops

Business Name	Address	Food hygiene rating	Distance
Mr Low Chinese Takeaway	20A London Road, Woolmer Green		702 yd

Supermarkets, Hypermarkets

Business Name	Address	Food hygiene rating	Distance
Tesco	Unit 4, Kellard House		1,051 yd

Sport

Facility Name	Sport Objects	Distance
St Michael'S Woolmer Green Cofe Va Primary School LONDON ROAD	grass pitches	541 yd
Woolmer Green Recreation Ground VILLAGE HALL VILLAGE HALL HALL LANE	grass pitches	647 yd

Broadband

Technology Aviability

Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband	100.0%
Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband	0.0%
Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband	0.0%
Percentage of premises that have coverage from a Gigabit capable service from fixed broadband	0.0%

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	0.0%

Download Speed

Median download speed	60 Mbit/s
Average download speed	55.9 Mbit/s
Minimum download speed	79.94 Mbit/s
Maximum download speed	79.94 Mbit/s

Upload Speed

Median upload speed	10 Mbit/s
Average upload speed	12.2 Mbit/s
Maximum upload speed	20 Mbit/s

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

Overview of AL6 0TT