N3 3NB

a postcode in Barnet

Introduced in January 1980

N3 3NB	Normal (geographic) postcodes	Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with N3 3NB

Mountfield Road - 29 properties, USRN 20030460

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.5944 / 51°35'39"N

Longitude: -0.1977 / 0°11'51"W

UTM Reference: 30U 694094 5719644

OS Easting: 524936

OS Northing: 189928

OS Grid: TQ249899

Location Encoding

Mapcode Local: GBR C3.8TB

Mapcode Global: VHGQK.J6B3

Open Location Code: 9C3XHRV2+PW

Maidenhead Locator System: IO91vo62

Demographics

Urban/Rural Indicator: A1

major urban conurbation
a very large city or conurbation

ONS Population Classification: 3c2

Multicultural and Educated Urbanites
Diverse Educated Urban Singles
Career Progression

Index of Multiple Deprivation (IMD): 28623 / 32844

9th decile
much less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for N3 3NB on Tuesday 16 June 2026

Nautical twilight begins (First light)	02:39
Civil twilight begins (Dawn)	03:54
Sunrise	04:42
Transit (sun is at its highest)	13:01
Sunset	21:20
Civil twilight ends (Dusk)	22:08
Nautical twilight ends (Nightfall)	23:23

Hours of daylight today	04:12 to 21:50
Hours of darkness tonight (lighting-up time)	21:50 to 04:12
Moon Phase	Waxing Crescent
Moon Rises	04:26
Moon sets	22:19

For a full sun and moon calendar for N3 3NB, go to The Time and Place

Residential Property Sales in N3 3NB

Date	Address	Property Type	Tenure	Price
16 October 2023	12 Mountfield Road, London N3 3NB	Semi-detached	Freehold	£1,475,000
16 June 2022	Flat 3, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£440,000
12 April 2018	Flat 3, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£400,000
27 March 2018	12 Mountfield Road, London N3 3NB	Semi-detached	Freehold	£1,225,000
20 December 2017	16a Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£567,500
7 April 2016	8 Mountfield Road, London N3 3NB	Semi-detached	Freehold	£1,100,000
24 March 2016	12 Mountfield Road, London N3 3NB	Semi-detached	Freehold	£925,000
25 September 2015	Flat 2, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£415,500
12 June 2015	14 Mountfield Road, London N3 3NB	Semi-detached	Freehold	£972,000
21 November 2014	16a Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£560,000
25 November 2011	Flat C, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£250,000
12 May 2010	Flat 2, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£288,000
6 November 2009	Flat 1, 10 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£246,000
31 March 2006	Flat C, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£215,000
4 October 2005	Flat 3, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£224,600
1 June 2004	Flat 1, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£235,000
25 April 2003	Flat a, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£238,000
30 January 2003	Flat 2, 10 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£130,000
15 March 2002	4 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£245,000
7 December 2001	Flat 3, 10 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£80,000
10 September 2001	4 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£175,000
20 December 2000	Flat 3, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£155,000
18 April 2000	Flat C, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£124,950
24 February 2000	Flat 1, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£130,000
30 June 1999	Flat 1, 10 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£129,500
19 August 1998	Flat 3, 18 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£105,000
29 January 1998	Flat 1, 10 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£119,800
1 December 1997	Flat a, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£109,000
1 December 1997	Flat a, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£109,000
17 October 1997	Flat C, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£97,500
16 August 1996	Flat C, 16 Mountfield Road, London N3 3NB	Flat/apartment	Leasehold	£60,000

Key to property sale icons:

	First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
	Subsequent sale of existing property.
	Standard sale at market value to private individual.
	Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for N3 3NB

United Kingdom Parliament

Constituency

Finchley and Golders Green

MP

Sarah Sackman Labour

London Assembly

Assembly Constituency

Barnet and Camden

Assembly Member

Anne Clarke Labour

Londonwide Members

Assembly Members

Elly Baker Labour

Emma Best Conservative

Andrew Boff Conservative

Hina Bokhari Liberal Democrat

Zoë Garbett Green

Alessandro Georgiou Conservative

Susan Hall Conservative

Lord Bailey of Paddington Conservative

Zack Polanski Green

Caroline Russell Green

Alex Wilson Reform UK

Barnet Borough Council

London borough ward

Finchley Church End

Councillors

Jennifer Grocock Conservative

Daniel Thomas Conservative

Josh Mastin-Lee Conservative

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for N3 3NB

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00000974		Output Areas	Statistical Building Block	1 January 2009	ONS
E01000202	Barnet 028D	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02000051	Barnet 028	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E05013639	Finchley Church End	Electoral Wards/Divisions	Administrative/Electoral	5 May 2022	DLUHC
E09000003	Barnet	London Boroughs	Administrative	1 January 2009	DLUHC
E12000007	London	Regions	Administrative	1 January 2009	DLUHC
E14001238	Finchley and Golders Green	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000001	Metropolitan Police	Police Force Areas	Other	1 January 2009	Home Office
E30000234	London	Travel to Work Areas	Other	31 July 2015	ONS
E32000001	Barnet and Camden	London Assembly Constituencies	Electoral	6 May 2010	Greater London Authority
E33032398		Workplace Zones	Census	31 December 2011	ONS
E37000051	London	Local Enterprise Partnerships	Other	1 April 2020	BEIS
E38000240	NHS North Central London ICB - 93C	Sub Integrated Care Board Locations	Health	1 July 2022	ODS
E40000003	London	NHS England Regions	Health	1 April 2013	ODS
E43000193	Barnet, unparished area	Non-Civil Parished Areas	Census	31 December 2011	ONS
E54000028	North London Partners in Health and Care	Integrated Care Boards	Health	1 April 2019	NHS
E56000027	North Central London	Cancer Alliances	Health	1 April 2020	NHS England
E61000001	Greater London Authority	Greater London Authority	Administrative	3 July 2000	ONS
E63011868	Barnet	Built Up Areas	Census	17 April 2024	OS
E65000001	England Non-National Park Area	England Non-National Park Area	Census	27 February 2023	ONS
E92000001	England	Country	Administrative	1 January 2009	ONS

The UK Postcode Database