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N11 3DE

Friern Barnet · Barnet · England

Updated September 2026

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Location overview

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Post town
London
Ward
Friern Barnet
Local authority
Barnet
Constituency
Hornsey and Friern Barnet
Postcode district
N11
Postcode sector
N11 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
N11 3BH 56 m
N11 3DD 70 m
N11 3DQ 70 m
N11 3BX 77 m
N11 3EQ 90 m
Complete postcode fields and official codes
Postcode
N11 3DE
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
N
Postcode district
N11
Postcode sector
N11 3
Latitude
51.612092
Longitude
-0.155025
British National Grid easting
527,844
British National Grid northing
191,974

Statistical and administrative geographies

Country
England · E92000001
Region
London · E12000007
Local authority district
Barnet · E09000003
Electoral ward
Friern Barnet · E05013640
Parish or community
E43000193
Westminster constituency
Hornsey and Friern Barnet · E14001293
Output area
E00000781
Lower layer super output area
Barnet 015E · E01000162
Middle layer super output area
Barnet 015 · E02000038

Postcode source versions

Explore N11

Property

View all property records
7 recorded sales at this postcode
Address Date Price
7, Hillside Avenue, London, N11 3DE 12 September 2025 £840,000
14, Hillside Avenue, London, N11 3DE 21 August 2018 £943,300
7, Hillside Avenue, London, N11 3DE 23 November 2007 £730,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
173
Primary
97
Secondary
28

  1. Dwight School London

    Other independent school

    365 m

  2. Friern Barnet School

    Community school

    431 m

  3. St John's CofE Junior Mixed and Infant School

    Voluntary aided school

    527 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
5,146
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,270
  • Shoplifting 900
  • Vehicle crime 665
  • Anti social behaviour 664
  • Other theft 335

Census 2021

Population and age profile

Postcode residents
36

18 female, 18 male

Postcode households
11
Residents per household
3.3
N11 3 residents
9,504

Age bands in N11 3

Wider postcode sector
Age 0 to 14
18.3%

1,757 residents

Age 15 to 24
10.6%

1,017 residents

Age 25 to 44
29.4%

2,820 residents

Age 45 to 64
27.1%

2,601 residents

Age 65 and over
14.6%

1,404 residents

This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider N11 3 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

59

within 5 km

  • FRIERN BARNET MEDICAL CENTRE

    15-16 ST JOHNS VILLAS, FRIERN BARNET ROAD, LONDON, N11 3BU

    ODS code E83045

    144 m

  • HOMELESS ACTION IN BARNET

    36B WOODHOUSE ROAD, NORTH FINCHLEY, LONDON, N12 0RG

    ODS code E83666

    1.3 km

  • COLNEY HATCH LANE SURGERY

    192 COLNEY HATCH LANE, MUSWELL HILL, LONDON, N10 1ET

    ODS code E83034

    1.4 km

  • OAKLEIGH ROAD HEALTH CENTRE

    280 OAKLEIGH ROAD NORTH, WHETSTONE, LONDON, N20 0DH

    ODS code E83003

    1.5 km

  • CORNWALL HOUSE SURGERY

    TORRINGTON PARK HEALTH CENTRE, 16 TORRINGTON PARK, LONDON, N12 9SS

    ODS code E83013

    1.5 km

  • THE SPEEDWELL PRACTICE

    THE HEALTH CENTRE, TORRINGTON PARK, NORTH FINCHLEY, LONDON, N12 9SS

    ODS code E83010

    1.5 km

  • TORRINGTON PARK GROUP PRACTICE

    TORRINGTON PARK HEALTH CENTRE, 16 TORRINGTON PARK, NORTH FINCHLEY, LONDON, N12 9SS

    ODS code E83021

    1.5 km

  • BARNET FEDERATED GPS LIMITED

    311 BALLARDS LANE, FINCHLEY, LONDON, N12 8LY

    ODS code Y05258

    1.6 km

  • SQUIRES LANE MEDICAL PRACTICE

    2 SQUIRES LANE, FINCHLEY, LONDON, N3 2AU

    ODS code E83007

    1.7 km

  • ARNOS GROVE MEDICAL CENTR

    269 BOWES ROAD, NEW SOUTHGATE, LONDON, N11 1BD

    ODS code F85700

    1.8 km

  • THE ALEXANDRA SURGERY

    125 ALEXANDRA PARK ROAD, WOOD GREEN, LONDON, N22 7UN

    ODS code F85675

    1.9 km

  • BRUNSWICK PARK MEDICAL PRACTICE

    BRUNSWICK PARK ROAD, NEW SOUTHGATE, LONDON, N11 1EY

    ODS code E83621

    2.0 km

  • BOUNDS GREEN GROUP PRACTICE

    THE SURGERY, GORDON ROAD, BOUNDS GREEN, NEW SOUTHGATE, LONDON, N11 2PF

    ODS code F85066

    2.1 km

  • RUTLAND HOUSE SURGERY

    40 COLNEY HATCH LANE, LONDON, N10 1DU

    ODS code F85688

    2.1 km

  • WENTWORTH GROUP PRACTICE - FINCHLEY

    38 WENTWORTH AVENUE, FINCHLEY, LONDON, N3 1YL

    ODS code E83035

    2.3 km

  • ST ANDREWS MEDICAL PRACTICE.

    50 OAKLEIGH ROAD NORTH, WHETSTONE, LONDON, N20 9EX

    ODS code E83024

    2.3 km

  • WOODLANDS MEDICAL PRACTICE

    54 LEOPOLD ROAD, EAST FINCHLEY, LONDON, N2 8BG

    ODS code Y00316

    2.4 km

  • THE MUSWELL HILL PRACTICE

    54 MUSWELL HILL, LONDON, N10 3ST

    ODS code F85063

    2.5 km

  • ROSEMARY SURGERY

    2 ROSEMARY AVENUE, FINCHLEY, LONDON, N3 2QN

    ODS code E83639

    2.6 km

  • EAST FINCHLEY MEDICAL CENTRE

    39 BARONSMERE ROAD, EAST FINCHLEY, LONDON, N2 9QD

    ODS code E83050

    2.7 km

Showing 20 of 59 matching practices.

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Hillside Avenue

    BCT · Colney Hatch

    0.1 miles

  • Hillside Avenue

    BCT · Colney Hatch

    0.1 miles

  • St John's Church Friern Barnet

    BCT · Friern Barnet

    0.1 miles

  • St John's Church Friern Barnet

    BCT · Friern Barnet

    0.1 miles

  • Friern Barnet Road

    BCT · Friern Barnet

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Barnet 015E, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

5 of 10

Overall England rank

15,020 of 33,755

Income
5 of 10
Employment
5 of 10
Education and skills
7 of 10
Health and disability
9 of 10
Crime
3 of 10
Housing and services
4 of 10
Living environment
2 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
0
Low risk addresses
0
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Property market

The five-year median is £840,000 from 1 recorded sale in N11 3DE. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Barnet is £603,753 in June 2026, down 2.9% year on year.

Schools

173 open schools are in scope, including 97 primary and 28 secondary schools. Dwight School London is the nearest published school at 365 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

5,146 published events cover 12 months, averaging 428.833 events per published month. The largest recorded category is Violence and sexual offences with 1,270 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.