Carlton Road is in Harpenden and in St Albans district. AL5 4SX is located in the Harpenden East electoral ward, within the English Parliamentary constituency of Hitchin and Harpenden. This postcode has been in use since 1980-01-01.
StreetScan combines information about Carlton Road, Harpenden, AL5 4SX and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: AL5 4SU, AL5 4SY, AL5 4EL, AL5 4TE, AL5 4TF, AL5 4UB, AL5 5PA, AL5 5LB, AL5 4EQ.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding AL5 4SX is primarily male, with 56.7% of the population 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 | 48.2% | 43.3% | -4.9% | 51.0% | -7.7% |
| Male | 51.8% | 56.7% | 4.9% | 49.0% | 7.7% |
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 | 32.7% | 36.2% | 3.5% | 37.9% | -1.7% |
| Married: Opposite sex | 43.1% | 47.7% | 4.6% | 44.2% | 3.5% |
| Married: Same sex | 0% | 0.9% | 0.9% | 0.3% | 0.6% |
| Separated | 3.8% | 3.7% | -0.1% | 2.2% | 1.5% |
| Divorced | 9% | 8.3% | -0.7% | 9.1% | -0.8% |
| Widowed | 11.4% | 3.2% | -8.2% | 6.1% | -2.9% |
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 (91%) 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 | 60.8% | 62.8% | 2.0% | 48.4% | 14.4% |
| Good health | 27.1% | 28.2% | 1.1% | 33.6% | -5.4% |
| Fair health | 5.9% | 7.6% | 1.7% | 12.7% | -5.1% |
| Bad health | 1.2% | 0% | -1.2% | 4.0% | -4.0% |
| Very bad health | 5.1% | 1.4% | -3.7% | 1.2% | 0.2% |
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 AL5 4SX this area, 6.9% 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 61.6%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 6.2% | 6.9% | 0.7% | 18.2% | -11.3% |
| 1-4 GCSEs or Equivalent | 6.2% | 5.1% | -1.1% | 9.6% | -4.5% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 13.3% | 13% | -0.3% | 13.4% | -0.4% |
| Apprenticeship | 3.3% | 2.8% | -0.5% | 5.3% | -2.5% |
| HNC, HND or 2+ A Levels | 10% | 10.6% | 0.6% | 16.9% | -6.3% |
| Degree or Similar | 59.7% | 61.6% | 1.9% | 33.8% | 27.8% |
| Other | 1.4% | 0% | -1.4% | 2.8% | -2.8% |
In this area, the population is predominantly white, with 90.3% 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% | 3.6% | 3.6% | 1.1% | 2.5% |
| Chinese | 0.8% | 2.5% | 1.7% | 0.7% | 1.8% |
| Indian | 3.1% | 1.4% | -1.7% | 3.1% | -1.7% |
| Other Asian | 0% | 0.4% | 0.4% | 1.6% | -1.2% |
| Black African | 0.4% | 0.4% | 0.0% | 2.5% | -2.1% |
| Black Caribbean | 0.8% | 1.1% | 0.3% | 1.0% | 0.1% |
| Mixed White and Asian | 2% | 0% | -2.0% | 0.8% | -0.8% |
| Mixed White and Caribbean | 1.2% | 0% | -1.2% | 0.9% | -0.9% |
| White | 91.8% | 90.3% | -1.5% | 81.4% | 8.9% |
| Other | 0% | 0.4% | 0.4% | 1.6% | -1.2% |
In this area, 80.5% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 91.8% | 80.5% | -11.3% | 83.2% | -2.7% |
| European Union | 2.4% | 8.7% | 6.3% | 6.1% | 2.6% |
| Africa | 2% | 2.2% | 0.2% | 2.7% | -0.5% |
| Middle East and Asia | 1.6% | 5.8% | 4.2% | 5.6% | 0.2% |
| The Americas and the Caribbean | 1.6% | 2.2% | 0.6% | 1.3% | 0.9% |
| Oceania | 0.8% | 0.7% | -0.1% | 0.3% | 0.4% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 91.4% | 80.5% | -10.9% | 83.2% | -2.7% |
| 10+ Years | 0% | 10.5% | 10.5% | 9.8% | 0.7% |
| 5-10 Years | 0.8% | 5.8% | 5.0% | 2.9% | 2.9% |
| 2-5 Years | 0.8% | 0.7% | -0.1% | 2.2% | -1.5% |
| Less than 2 years | 7.1% | 2.5% | -4.6% | 1.9% | 0.6% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 83.4% | 76.7% | 6.7% |
| Ireland | 2.2% | 0.6% | 1.6% |
| France | 4% | 0.3% | 3.7% |
| Italy | 0.4% | 0.6% | -0.2% |
| Portugal | 1.4% | 0.5% | 0.9% |
| Spain | 1.8% | 0.4% | 1.4% |
| Other EU countries | 0.7% | 1.5% | -0.8% |
| South and Eastern Africa | 0.4% | 0.2% | 0.2% |
| Eastern Asia | 0.7% | 0.3% | 0.4% |
| South-East Asia | 0.4% | 0.2% | 0.2% |
| North America and the Caribbean | 0.4% | 0.3% | 0.1% |
| No passport held | 4.3% | 13.5% | -9.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 31.8% | 37.2% | -5.4% |
| Christian | 57.4% | 46.2% | 11.2% |
| Hindu | 1.4% | 1.7% | -0.3% |
| Muslim | 3.6% | 6.5% | -2.9% |
| Not answered | 5.8% | 6.0% | -0.2% |
Over the last 12 months, the overall crime rate around Carlton Road was 74.6 per 1,000 residents, which is 51.2% higher than the Harpenden East average. The most reported crime type was Violence and sexual offences.
Carlton Road has the 7th highest crime rate of 45 local areas in Harpenden East and the 135th highest crime rate of 430 local areas in St Albans .
Violent and sexual offences accounted for around 23.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -5.4%.

Households in this area have a much higher level of wealth compared to the average household in England and Wales. 93% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 3A Carlton Road, Harpenden, Hertfordshire Flats/Maisonettes, an established residential building | £535,000 | 2022-07-22 | £538,223 |
| 3A Carlton Road, Harpenden, Hertfordshire Flats/Maisonettes, an established residential building | £475,000 | 2019-08-16 | £513,430 |
| 5 Carlton Road, Harpenden, Hertfordshire Semi-Detached, an established residential building | £1,145,000 | 2018-09-28 | £1,335,833 |
| 4A Carlton Road, Harpenden, Hertfordshire Flats/Maisonettes, an established residential building | £212,500 | 2011-12-02 | £334,262 |
| 4B Carlton Road, Harpenden, Hertfordshire Semi-Detached, an established residential building | £215,000 | 2007-02-01 | £430,418 |
AL5 4SX area has a very high level of entrepreneurship. Only 14% 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.
AL5 4SX area has a low unemployment rate. According to Census 2021, 2% 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.
| Full-Time Employee | 90 |
| Retired | 35 |
| Self-Employed | 30 |
| Part-Time Employee | 19 |
| Looking after home or family | 12 |
| Student (economically inactive) | 11 |
| Long-Term Sick or disabled | 7 |
| Other | 6 |
| Unemployed | 5 |
| Full-Time Student (with or without job) | 2 |
| Professional, scientific and technical activities | 28 |
| Education | 16 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 15 |
| Financial and insurance activities | 15 |
| Information and communication | 11 |
| Other | 11 |
| Manufacturing | 8 |
| Public administration and defence; compulsory social security | 7 |
| Human health and social work activities | 7 |
| Construction | 5 |
| Administrative and support service activities | 4 |
| Transport and storage | 3 |
| Real estate activities | 3 |
| Accommodation and food service activities | 2 |
| Mining and quarrying | 1 |
| Agriculture, forestry and fishing | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Batford Nursery School Holcroft Road , AL5 5BQ | 4out of 4 | 1,689 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Harpenden Academy 25 Vaughan Road , AL5 4EL | 3out of 4 | 157 yd | Free schools | No | Mixed | More About School |
| St Nicholas CofE VA Primary School Church Green , AL5 2TP | 3out of 4 | 340 yd | Voluntary aided school | No | Mixed | More About School |
| St Dominic Catholic Primary School St Dominic Catholic Primary School , Southdown Road AL5 1PF | 4out of 4 | 677 yd | Voluntary aided school | Yes | Mixed | More About School |
| Manland Primary School Sauncey Avenue , AL5 4QW | 3out of 4 | 905 yd | Community school | No | Mixed | More About School |
| Crabtree Infants' School Crabtree Lane , AL5 5PU | 4out of 4 | 983 yd | Academy converter | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St George's School Sun Lane , AL5 4TD | 4out of 4 | 638 yd | Academy converter | No | Mixed | More About School |
| Sir John Lawes School Manland Way , AL5 4QP | 4out of 4 | 898 yd | Academy converter | Not Applicable | Mixed | More About School |
| Katherine Warington School Lower Luton Road , AL5 5FH | - not rated | 1,405 yd | Free schools | No | Mixed | More About School |
| Roundwood Park School Roundwood Park , AL5 3AE | 4out of 4 | 1,460 yd | Academy converter | Not Applicable | Mixed | More About School |
| Townsend VA Church of England High Oaks , AL3 6DR | 3out of 4 | 5,306 yd | Voluntary aided school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Hilda's School 28 Douglas Road , AL5 2ES | - not rated | 865 yd | Other independent school | Yes | Girls | More About School |
| The King's School Elmfield , Ambrose Lane AL5 4DU | - not rated | 1,676 yd | Other independent school | Yes | Mixed | More About School |
| Aldwickbury School Aldwickbury School , Wheathampstead Road AL5 1AD | - not rated | 1,873 yd | Other independent school | No | Boys | More About School |
| St Luke's School Crouch Hall Lane , Redbourn AL3 7ET | 2out of 4 | 4,106 yd | Foundation special school | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The 1971 | 36B Station Road, Harpenden | 139 yd | |
| Vinsanto | 26 Station Road, Harpenden | 193 yd | |
| Costa Coffee | 9-10 Harding Parade, Station Road | 212 yd | |
| Pasta Cibo | 2 Harding Parade, Station Road | 212 yd | |
| New Taj Mahal | 12 Station Road, Harpenden | 214 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Wheatsheaf | 9 High Street, Harpenden | 268 yd | |
| The Cross Keys PH | The Cross Keys Ph, 39 High Street | 322 yd | |
| The Harpenden Arms Ph | 188 High Street, Harpenden | 327 yd | |
| The George of Harpenden | The George, 4 High Street | 349 yd | |
| Oddfellows Arms | The Oddfellows Arms, 15 Leyton Green | 426 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Harpenden Grill and Kebab | 36 Station Road, Harpenden | 157 yd | |
| Harp's Coffee | Harpenden Central Railway Station, Station Approach | 200 yd | |
| Oriental Aroma | 7 Harding Parade, Station Road | 212 yd | |
| Paya | 4 Harding Parade, Station Road | 212 yd | |
| Domino's Pizza | 30 Station Road, Harpenden | 214 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Sainsbury's | 31 High Street, Harpenden | 243 yd | |
| Waitrose | 3 Leyton Road, Harpenden | 386 yd | |
| Marks & Spencer Simply Foods | 15-18 Church Green Row, Church Green | 433 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Elliswick Lawn Tennis Club ELLISWICK ROAD | tennis courts | 508 yd |
| Harpenden Sports Centre ROTHAMSTED PARK ROTHAMSTED PARK LEYTON ROAD | artificial grass pitch, health and fitness suite, squash courts, tennis courts | 551 yd |
| Harpenden Swimming Pool ROTHAMSTED PARK ROTHAMSTED PARK LEYTON ROAD | swimming pool | 551 yd |
| St Georges School Sun Lane | grass pitches, health and fitness suite | 554 yd |
| Harpenden Town Football Club HARPENDEN TOWN FOOTBALL CLUB HARPENDEN TOWN FOOTBALL CLUB AMENBURY LANE | grass pitches | 635 yd |
| Harpenden Lawn Tennis Club AMENBURY LANE | indoor tennis centre, tennis courts | 635 yd |
| Rothamstead Park Leyton Road | grass pitches | 866 yd |
| Sir John Lawes School MANLAND WAY | grass pitches | 875 yd |
| Crabtree Junior School CRABTREE LANE | grass pitches | 893 yd |
| Rothamsted Research WEST COMMON | grass pitches, tennis courts | 901 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| 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 | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 100.0% |
| 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% |
| Median download speed | 200 Mbit/s |
| Average download speed | 293.3 Mbit/s |
| Minimum download speed | 600 Mbit/s |
| Maximum download speed | 600 Mbit/s |
| Median upload speed | 25 Mbit/s |
| Average upload speed | 25.8 Mbit/s |
| Maximum upload speed | 40 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.