Map of N3 1BY postcode

General information
Postcode N3 1BY
Post Town London
Nearest station Finchley Central (1 km)
Bus stops
Dollis Road (NW)
St Mary's Church (N3) (NE)
St Mary's Avenue (E)
St Mary's Avenue (W)
Frith Court (SE)
Gravel Hill (N3) (N)
London travel zone4
Roads in this postcode
Number of UPRNs 36 View
Known addresses
Flat 1, Halley House, 31 Dollis Avenue, London
Flat 3, Halley House, 31 Dollis Avenue, London
Flat 4, Halley House, 31 Dollis Avenue, London
Flat 5, Halley House, 31 Dollis Avenue, London
Flat 6, Halley House, 31 Dollis Avenue, London
Flat 7, Halley House, 31 Dollis Avenue, London
Flat 8, Halley House, 31 Dollis Avenue, London
Flat 9, Halley House, 31 Dollis Avenue, London
Halley House, 31 Dollis Avenue, London
31A Dollis Avenue, London
31B Dollis Avenue, London
33 Dollis Avenue, London
33A Dollis Avenue, London
33B Dollis Avenue, London
33D Dollis Avenue, London
35 Dollis Avenue, London
37 Dollis Avenue, London
39 Dollis Avenue, London
41 Dollis Avenue, London
43 Dollis Avenue, London
Main property type Flat
Businesses
Geography
Latitude 51.602428
Longitude -0.200947
Easting 524693
Northing 190820
Grid reference TQ246908
UTM reference 30U 693836 5720532
what3words backs.active.veal
Plus code 9C3XJQ2X+XJ
Altitude 70 metres (229 feet)
Sunrise (today) 5:16
Sunset (today) 20:40
Distance away
Distance to sea 45.4 KMs (28.2 miles)
Administrative areas
ParishBarnet, unparished areaE43000193
Ward Finchley Church End E05013639
London Borough Barnet E09000003
County Greater London E11000009
Constituency (2024) Finchley and Golders Green E14001238
MPSarah SackmanLabour
Police forceMetropolitan Police
Water companyAffinity Water
Sewage companyThames Water
NUTS/ITL 3 Barnet
NUTS/ITL 2 Outer London - West and North West
NUTS/ITL 1 London
Country England E92000001
Data
Date introduced January 1980
Last updated February 2025
User type Small (addresses receive less than 25 items of mail per day)
Quality Within the building of the matched address closest to the postcode mean
Demographics
Population (2011) 48
Households (2011) 15
Index of Multiple Deprivation (2019)
24,436 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£60,800
Lowest (£22,200) Highest (£108,100)
Rural/urbanUrban major conurbation
Built up area (2024)BarnetE63011868
Census output area (2021)E00000987
Census output area (2011)E00000987
Lower layer super output area (2021)Barnet 025CE01000204
Lower layer super output area (2011)Barnet 025CE01000204
Middle layer super output area (2021)Copthall & DownageE02000048
Middle layer super output area (2011)Copthall & DownageE02000048
Travel to work areaLondonE30000234
Property sales
Average property price in North London £622,857
Annual change -0.6%
View all properties sold in the N postcode area
Properties recently sold in this postcode
AddressTypeDatePrice
Halley House, 31 Dollis Avenue, LondonOther (freehold)May 2024£175,000
Flat 5, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Jun 2023£900,000
33 Dollis Avenue, LondonTerraced (freehold)Dec 2021£1,200,000
33B Dollis Avenue, LondonTerraced (freehold)Dec 2021£1,350,000
Other (freehold)Sep 2017£100,000
33A Dollis Avenue, LondonTerraced (freehold)Dec 2021£1,315,000
Flat 7, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Nov 2021£1,510,000
Flat 8, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Jun 2021£1,690,000
Flat 9, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Jun 2021£1,325,000
Flat 3, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Feb 2021£1,900,000
Flat 6, Halley House, 31 Dollis Avenue, LondonFlat (leasehold)Jan 2021£1,150,000


View all properties sold in the N3 1 sector

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license