Area Overview for HA1 3LJ

Harrow on the Hill: Waldron Road in HA1 3LJ
Lowlands Road, Harrow in HA1 3LJ
The Parish and Borough Church of St Mary, Harrow on the Hill in HA1 3LJ
West Street, Harrow on the Hill, Middlesex in HA1 3LJ
Churchyard and lychgate, St. Mary's Church, Harrow on the Hill, Middlesex in HA1 3LJ
Borough and Parish Church of St Mary, Harrow on the Hill, Middlesex in HA1 3LJ
Junction of High Street and West Street, Harrow on the Hill, Middlesex in HA1 3LJ
High Street, Harrow on the Hill, Middlesex in HA1 3LJ
South end of High Street, Harrow on the Hill, Middlesex in HA1 3LJ
West St, Harrow-on-the-Hill in HA1 3LJ
Church Hill leading to High Street in HA1 3LJ
Harrow-on-the-Hill:  High Street in HA1 3LJ
100 photos from this area

Area Information

HA1 3LJ is a compact residential postcode in England, covering just 1045 m² and home to 1747 people. Its high population density — 1,671,880 people per square kilometre — reflects a tightly knit community, though the area’s small size means it is more of a cluster of homes than a sprawling suburb. The postcode is characterised by its proximity to key transport links, including multiple rail and metro stations, and major retail hubs like Tesco Harrow and Waitrose South. Daily life here is shaped by its position near London’s western edge, offering a mix of urban convenience and suburban tranquillity. Young adults dominate the demographic, with a median age of 22, suggesting a dynamic, possibly student or young professional-driven population. The area’s limited size means it is best suited for those prioritising accessibility to nearby amenities over expansive living space. For buyers, HA1 3LJ is a niche postcode where proximity to schools, transport, and retail is prioritised over sprawling properties. Its small footprint also means it is more of a stepping stone than a long-term residential area for many.

Area Type
Postcode
Area Size
1045 m²
Population
1747
Population Density
2946 people/km²

HA1 3LJ is a small area with a clear focus on owner-occupied housing, with 56% of properties owned by residents rather than rented. The predominant accommodation type is houses, which is unusual for a high-density postcode, suggesting a mix of semi-detached or terraced properties. Given the area’s compact size, the housing stock is likely limited, making it a niche market for buyers seeking proximity to transport and retail rather than expansive properties. The high proportion of owner-occupiers indicates a stable, long-term resident base, though the lack of rental data means it is unclear how much of the market is driven by tenants. For buyers, the small area means competition for properties is likely fierce, with limited scope for expansion. The presence of houses, rather than flats, also suggests a preference for traditional family homes, which may appeal to specific buyer demographics.

House Prices in HA1 3LJ

No properties found in this postcode.

Energy Efficiency in HA1 3LJ

HA1 3LJ offers access to a range of amenities within walking or short driving distance. Retail options include major stores like M&S Bessborough BP, Tesco Harrow, and Waitrose South, providing convenience for daily shopping needs. The area’s transport links also grant easy access to parks, leisure facilities, and other services beyond the immediate postcode. While specific parks or recreational areas are not listed in the data, the presence of multiple rail and metro stations suggests proximity to larger green spaces or public facilities in nearby towns. The mix of retail and transport options indicates a lifestyle focused on accessibility and practicality, though the area’s small size means it is more of a node within a larger network than a standalone hub. For residents, the convenience of nearby amenities is a key advantage, though the lack of detailed information on leisure options may require further local research.

Amenities

Schools

HA1 3LJ is within reach of two prominent independent schools: Harrow School and The John Lyon School. Both are private institutions, offering high-quality education but typically catering to families with significant financial resources. The presence of independent schools in the area suggests that the postcode is attractive to households prioritising elite education, though no state schools are listed in the data. This mix of school types may limit options for families seeking free or affordable education, but it also positions the area as a destination for those investing in private schooling. For buyers, proximity to these schools could be a key selling point, though the lack of state school options may be a drawback for some. The schools’ reputations may also influence property values, with homes near them potentially commanding higher prices.

RankSchoolTypeEntry genderAges
1Harrow SchoolindependentN/AN/A
2The John Lyon SchoolindependentN/AN/A

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Demographics

The population of HA1 3LJ is overwhelmingly young, with a median age of 22 and the majority of residents aged 15–29. This suggests a community shaped by students, early-career professionals, or those in transient employment. Home ownership is relatively high at 56%, with houses being the predominant accommodation type, indicating a mix of family homes and smaller properties. The area’s demographic is largely homogenous, with the White ethnic group making up the majority. While no specific deprivation data is provided, the high population density and young age profile may point to a community with varying economic needs. The absence of significant diversity metrics means the area’s cultural fabric remains less defined, though its proximity to independent schools and transport hubs suggests a focus on education and mobility. For buyers, the age profile and home ownership rate imply a market skewed towards first-time buyers or those seeking short-term residency near key infrastructure.

Household Size

Two person
most common

Accommodation Type

Houses
most common

Tenure

56
majority

Ethnic Group

White
most common

Religion

N/A
most common

Household Composition

N/A
most common

Age

22
median
Young Adults (15-29 years)
most common

Household Deprivation

N/A
with no deprivation

NS-SEC

43
in Lower managerial occupations

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Planning

Planning Constraints

  • Flood Risk
    Premium
  • Ramsar Wetland Sites
    Premium
  • Area of Outstanding Natural Beauty
    Premium
  • Protected Nature Reserve
    Premium
  • Protected Woodland
    Premium
  • Crime Risk
    Premium

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Nearby Areas

Frequently Asked Questions

What is the community feel like in HA1 3LJ?
HA1 3LJ has a high population density of 1,671,880 people per square kilometre, with a median age of 22. The community is young, predominantly White, and home-owning, suggesting a mix of students, early-career professionals, and families. The small postcode size means it is more of a focused cluster than a sprawling suburb.
Who typically lives in HA1 3LJ?
The area’s population is mostly young adults (15–29 years), with 56% owning their homes. The predominant accommodation type is houses, indicating a mix of family homes and smaller properties. The demographic is largely homogenous, with the White ethnic group dominating.
Are there good schools near HA1 3LJ?
Yes, HA1 3LJ is near two independent schools: Harrow School and The John Lyon School. Both are private institutions, offering high-quality education but typically catering to families with significant financial resources.
How is transport and connectivity in HA1 3LJ?
Transport is strong, with five rail stations, five metro stops, and RAF Northolt nearby. Mobile coverage is excellent (85/100), but broadband quality is poor (45/100), which may affect remote work or streaming.
Is HA1 3LJ a safe area?
Yes, the area has a low crime risk (85/100) and no significant environmental hazards like flood risk or protected natural sites. Safety and planning constraints are minimal, making it a low-risk environment for residents.

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