N3 1 postcode sector in the N3 district

N3 1 is a sector of the N3 district: every postcode that starts N3 1. It has 229 postcodes in use, 8 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the N3 1 sector, by flood risk

Map of every postcode in the N3 1 sector, by flood risk Of the 229 postcodes in the N3 1 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 223 are not on the Environment Agency's at-risk list. Places named: Barnet. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. N3 1AA: not on the flood risk listN3 1AB: not on the flood risk listN3 1AD: not on the flood risk listN3 1AE: not on the flood risk listN3 1AG: not on the flood risk listN3 1AH: not on the flood risk listN3 1AL: not on the flood risk listN3 1AN: not on the flood risk listN3 1AP: not on the flood risk listN3 1AS: not on the flood risk listN3 1AT: not on the flood risk listN3 1AU: not on the flood risk listN3 1AX: not on the flood risk listN3 1BB: not on the flood risk listN3 1BD: not on the flood risk listN3 1BE: not on the flood risk listN3 1BG: not on the flood risk listN3 1BH: not on the flood risk listN3 1BJ: not on the flood risk listN3 1BL: not on the flood risk listN3 1BN: not on the flood risk listN3 1BP: not on the flood risk listN3 1BQ: not on the flood risk listN3 1BS: not on the flood risk listN3 1BT: not on the flood risk listN3 1BU: not on the flood risk listN3 1BX: not on the flood risk listN3 1BY: not on the flood risk listN3 1DA: not on the flood risk listN3 1DB: not on the flood risk listN3 1DD: not on the flood risk listN3 1DE: not on the flood risk listN3 1DH: not on the flood risk listN3 1DP: not on the flood risk listN3 1DT: not on the flood risk listN3 1DY: not on the flood risk listN3 1DZ: not on the flood risk listN3 1EB: not on the flood risk listN3 1ED: not on the flood risk listN3 1EE: not on the flood risk listN3 1EG: not on the flood risk listN3 1EH: not on the flood risk listN3 1EJ: not on the flood risk listN3 1EL: not on the flood risk listN3 1EN: not on the flood risk listN3 1EP: not on the flood risk listN3 1ER: not on the flood risk listN3 1ES: not on the flood risk listN3 1ET: not on the flood risk listN3 1EU: not on the flood risk listN3 1EX: not on the flood risk listN3 1EY: not on the flood risk listN3 1FA: not on the flood risk listN3 1FB: not on the flood risk listN3 1FD: not on the flood risk listN3 1HA: not on the flood risk listN3 1HF: not on the flood risk listN3 1HG: not on the flood risk listN3 1HH: not on the flood risk listN3 1HJ: not on the flood risk listN3 1HN: not on the flood risk listN3 1HP: not on the flood risk listN3 1HR: not on the flood risk listN3 1HS: not on the flood risk listN3 1HT: not on the flood risk listN3 1HU: not on the flood risk listN3 1HW: not on the flood risk listN3 1HX: not on the flood risk listN3 1HY: not on the flood risk listN3 1HZ: not on the flood risk listN3 1JA: not on the flood risk listN3 1JB: not on the flood risk listN3 1JD: not on the flood risk listN3 1JE: not on the flood risk listN3 1JG: not on the flood risk listN3 1JH: not on the flood risk listN3 1JJ: not on the flood risk listN3 1JL: not on the flood risk listN3 1JN: not on the flood risk listN3 1JP: not on the flood risk listN3 1JQ: not on the flood risk listN3 1JR: not on the flood risk listN3 1JS: not on the flood risk listN3 1LB: not on the flood risk listN3 1LD: not on the flood risk listN3 1LF: not on the flood risk listN3 1LG: not on the flood risk listN3 1LH: not on the flood risk listN3 1LJ: not on the flood risk listN3 1LL: not on the flood risk listN3 1LP: not on the flood risk listN3 1LQ: not on the flood risk listN3 1LS: not on the flood risk listN3 1LT: not on the flood risk listN3 1LU: not on the flood risk listN3 1LX: not on the flood risk listN3 1LY: not on the flood risk listN3 1NA: not on the flood risk listN3 1NB: not on the flood risk listN3 1ND: not on the flood risk listN3 1NE: not on the flood risk listN3 1NF: not on the flood risk listN3 1NG: not on the flood risk listN3 1NH: not on the flood risk listN3 1NJ: not on the flood risk listN3 1NL: not on the flood risk listN3 1NP: not on the flood risk listN3 1NR: not on the flood risk listN3 1NS: not on the flood risk listN3 1NT: not on the flood risk listN3 1NX: not on the flood risk listN3 1NY: not on the flood risk listN3 1PA: not on the flood risk listN3 1PB: not on the flood risk listN3 1PD: not on the flood risk listN3 1PE: not on the flood risk listN3 1PG: not on the flood risk listN3 1PH: not on the flood risk listN3 1PJ: not on the flood risk listN3 1PL: not on the flood risk listN3 1PP: not on the flood risk listN3 1PQ: not on the flood risk listN3 1PR: not on the flood risk listN3 1PS: not on the flood risk listN3 1PT: not on the flood risk listN3 1PU: not on the flood risk listN3 1PW: not on the flood risk listN3 1PX: not on the flood risk listN3 1QA: not on the flood risk listN3 1QF: not on the flood risk listN3 1QG: not on the flood risk listN3 1QH: not on the flood risk listN3 1QJ: not on the flood risk listN3 1QL: not on the flood risk listN3 1QN: not on the flood risk listN3 1QP: not on the flood risk listN3 1QQ: not on the flood risk listN3 1QR: not on the flood risk listN3 1QS: not on the flood risk listN3 1QT: not on the flood risk listN3 1QW: not on the flood risk listN3 1QX: not on the flood risk listN3 1QY: not on the flood risk listN3 1RA: not on the flood risk listN3 1RB: not on the flood risk listN3 1RD: not on the flood risk listN3 1RG: not on the flood risk listN3 1RH: not on the flood risk listN3 1RJ: not on the flood risk listN3 1RN: not on the flood risk listN3 1RR: not on the flood risk listN3 1RT: not on the flood risk listN3 1RY: not on the flood risk listN3 1RZ: not on the flood risk listN3 1SA: not on the flood risk listN3 1SB: not on the flood risk listN3 1SD: not on the flood risk listN3 1SE: not on the flood risk listN3 1SF: not on the flood risk listN3 1SG: not on the flood risk listN3 1SH: not on the flood risk listN3 1SJ: not on the flood risk listN3 1SL: not on the flood risk listN3 1SN: not on the flood risk listN3 1SP: not on the flood risk listN3 1SQ: not on the flood risk listN3 1SR: not on the flood risk listN3 1SS: not on the flood risk listN3 1ST: not on the flood risk listN3 1SU: not on the flood risk listN3 1SW: not on the flood risk listN3 1SX: not on the flood risk listN3 1SY: not on the flood risk listN3 1TA: not on the flood risk listN3 1TB: not on the flood risk listN3 1TD: not on the flood risk listN3 1TE: not on the flood risk listN3 1TG: not on the flood risk listN3 1TH: not on the flood risk listN3 1TJ: not on the flood risk listN3 1TL: not on the flood risk listN3 1TP: not on the flood risk listN3 1TR: not on the flood risk listN3 1TS: not on the flood risk listN3 1TT: not on the flood risk listN3 1TU: not on the flood risk listN3 1TW: not on the flood risk listN3 1TX: not on the flood risk listN3 1TY: not on the flood risk listN3 1UA: not on the flood risk listN3 1UB: not on the flood risk listN3 1UD: not on the flood risk listN3 1UE: not on the flood risk listN3 1UF: not on the flood risk listN3 1UG: not on the flood risk listN3 1UJ: not on the flood risk listN3 1UL: not on the flood risk listN3 1UN: not on the flood risk listN3 1UP: not on the flood risk listN3 1US: not on the flood risk listN3 1UX: not on the flood risk listN3 1XE: not on the flood risk listN3 1XN: not on the flood risk listN3 1XP: not on the flood risk listN3 1XT: not on the flood risk listN3 1XW: not on the flood risk listN3 1XY: not on the flood risk listN3 1YA: not on the flood risk listN3 1YB: not on the flood risk listN3 1YD: not on the flood risk listN3 1YE: not on the flood risk listN3 1YG: not on the flood risk listN3 1YH: not on the flood risk listN3 1YJ: not on the flood risk listN3 1YL: not on the flood risk listN3 1YN: not on the flood risk listN3 1YP: not on the flood risk listN3 1YT: not on the flood risk listN3 1AJ: low flood risk at worstN3 1AR: low flood risk at worstN3 1TQ: low flood risk at worstN3 1PN: high flood riskN3 1RE: high flood riskN3 1UH: high flood risk Barnet Map of every postcode in the N3 1 sector, by flood risk Of the 229 postcodes in the N3 1 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 223 are not on the Environment Agency's at-risk list. Places named: Barnet. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Barnet
  • A home or business at high risk: 3
  • At medium risk at worst: 0
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 223

Of the 229 postcodes in the N3 1 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 223 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

N3 1RE2 at high riskN3 1PN1 at high riskN3 1UH1 at high risk

What do homes sell for in N3 1?

Homes in N3 1 sold for a typical £526,400 in the 12 months to August 2026, across 61 sales, down 20.5% on the 12 months before, HM Land Registry's figures show.

£526,400 typical price, the 12 months to August 2026
£662,500 12 months to August 2025
▼ down 20.5% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached £797,500 16 sales
  • Terraced £700,000 7 sales
  • Flat or maisonette £436,250 34 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start N3 1. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in N3 1

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

N3 1AAN3 1ABN3 1ADN3 1AEN3 1AGN3 1AHN3 1AJN3 1ALN3 1ANN3 1APN3 1ARN3 1ASN3 1ATN3 1AUN3 1AXN3 1BBN3 1BDN3 1BEN3 1BGN3 1BHN3 1BJN3 1BLN3 1BNN3 1BPN3 1BQN3 1BSN3 1BTN3 1BUN3 1BXN3 1BYN3 1DAN3 1DBN3 1DDN3 1DEN3 1DHN3 1DPN3 1DTN3 1DYN3 1DZN3 1EBN3 1EDN3 1EEN3 1EGN3 1EHN3 1EJN3 1ELN3 1ENN3 1EPN3 1ERN3 1ESN3 1ETN3 1EUN3 1EXN3 1EYN3 1FAN3 1FBN3 1FDN3 1HAN3 1HFN3 1HGN3 1HHN3 1HJN3 1HNN3 1HPN3 1HQN3 1HRN3 1HSN3 1HTN3 1HUN3 1HWN3 1HXN3 1HYN3 1HZN3 1JAN3 1JBN3 1JDN3 1JEN3 1JGN3 1JHN3 1JJN3 1JLN3 1JNN3 1JPN3 1JQN3 1JRN3 1JSN3 1JTN3 1LBN3 1LDN3 1LFN3 1LGN3 1LHN3 1LJN3 1LLN3 1LPN3 1LQN3 1LSN3 1LTN3 1LUN3 1LXN3 1LYN3 1NAN3 1NBN3 1NDN3 1NEN3 1NFN3 1NGN3 1NHN3 1NJN3 1NLN3 1NPN3 1NRN3 1NSN3 1NTN3 1NXN3 1NYN3 1PAN3 1PBN3 1PDN3 1PEN3 1PGN3 1PHN3 1PJN3 1PLN3 1PNN3 1PPN3 1PQN3 1PRN3 1PSN3 1PTN3 1PUN3 1PWN3 1PXN3 1QAN3 1QBN3 1QFN3 1QGN3 1QHN3 1QJN3 1QLN3 1QNN3 1QPN3 1QQN3 1QRN3 1QSN3 1QTN3 1QWN3 1QXN3 1QYN3 1RAN3 1RBN3 1RDN3 1REN3 1RGN3 1RHN3 1RJN3 1RNN3 1RRN3 1RTN3 1RYN3 1RZN3 1SAN3 1SBN3 1SDN3 1SEN3 1SFN3 1SGN3 1SHN3 1SJN3 1SLN3 1SNN3 1SPN3 1SQN3 1SRN3 1SSN3 1STN3 1SUN3 1SWN3 1SXN3 1SYN3 1TAN3 1TBN3 1TDN3 1TEN3 1TGN3 1THN3 1TJN3 1TLN3 1TPN3 1TQN3 1TRN3 1TSN3 1TTN3 1TUN3 1TWN3 1TXN3 1TYN3 1UAN3 1UBN3 1UDN3 1UEN3 1UFN3 1UGN3 1UHN3 1UJN3 1ULN3 1UNN3 1UPN3 1USN3 1UXN3 1XEN3 1XNN3 1XPN3 1XTN3 1XWN3 1XYN3 1YAN3 1YBN3 1YDN3 1YEN3 1YGN3 1YHN3 1YJN3 1YLN3 1YNN3 1YPN3 1YQN3 1YTN3 1ZQ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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