CA20 1 postcode sector in the CA20 district

CA20 1 is a sector of the CA20 district: every postcode that starts CA20 1. It has 196 postcodes in use, 3 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 CA20 1 sector, by flood risk

Map of every postcode in the CA20 1 sector, by flood risk Of the 196 postcodes in the CA20 1 sector that ONS places, 15 have a home or business at high risk, 4 are at medium risk at worst, 9 are at low risk at worst and 168 are not on the Environment Agency's at-risk list. Places named: Seascale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. CA20 1AA: not on the flood risk listCA20 1AD: not on the flood risk listCA20 1AE: not on the flood risk listCA20 1AF: not on the flood risk listCA20 1AG: not on the flood risk listCA20 1AH: not on the flood risk listCA20 1AJ: not on the flood risk listCA20 1AN: not on the flood risk listCA20 1AS: not on the flood risk listCA20 1AT: not on the flood risk listCA20 1AU: not on the flood risk listCA20 1AZ: not on the flood risk listCA20 1BG: not on the flood risk listCA20 1BN: not on the flood risk listCA20 1BP: not on the flood risk listCA20 1BS: not on the flood risk listCA20 1BT: not on the flood risk listCA20 1BU: not on the flood risk listCA20 1BW: not on the flood risk listCA20 1BX: not on the flood risk listCA20 1BY: not on the flood risk listCA20 1BZ: not on the flood risk listCA20 1DF: not on the flood risk listCA20 1DQ: not on the flood risk listCA20 1DS: not on the flood risk listCA20 1DT: not on the flood risk listCA20 1DW: not on the flood risk listCA20 1DX: not on the flood risk listCA20 1DY: not on the flood risk listCA20 1EA: not on the flood risk listCA20 1EB: not on the flood risk listCA20 1ED: not on the flood risk listCA20 1EH: not on the flood risk listCA20 1EN: not on the flood risk listCA20 1EP: not on the flood risk listCA20 1EQ: not on the flood risk listCA20 1ER: not on the flood risk listCA20 1ES: not on the flood risk listCA20 1ET: not on the flood risk listCA20 1EU: not on the flood risk listCA20 1EW: not on the flood risk listCA20 1EY: not on the flood risk listCA20 1EZ: not on the flood risk listCA20 1FB: not on the flood risk listCA20 1FE: not on the flood risk listCA20 1FF: not on the flood risk listCA20 1HA: not on the flood risk listCA20 1HD: not on the flood risk listCA20 1HG: not on the flood risk listCA20 1HJ: not on the flood risk listCA20 1HP: not on the flood risk listCA20 1HR: not on the flood risk listCA20 1HT: not on the flood risk listCA20 1HU: not on the flood risk listCA20 1HW: not on the flood risk listCA20 1HX: not on the flood risk listCA20 1HY: not on the flood risk listCA20 1JA: not on the flood risk listCA20 1JD: not on the flood risk listCA20 1JG: not on the flood risk listCA20 1JH: not on the flood risk listCA20 1JJ: not on the flood risk listCA20 1JL: not on the flood risk listCA20 1JP: not on the flood risk listCA20 1JT: not on the flood risk listCA20 1LD: not on the flood risk listCA20 1LE: not on the flood risk listCA20 1LL: not on the flood risk listCA20 1LP: not on the flood risk listCA20 1LQ: not on the flood risk listCA20 1LT: not on the flood risk listCA20 1LX: not on the flood risk listCA20 1NA: not on the flood risk listCA20 1ND: not on the flood risk listCA20 1NF: not on the flood risk listCA20 1NG: not on the flood risk listCA20 1NH: not on the flood risk listCA20 1NJ: not on the flood risk listCA20 1NN: not on the flood risk listCA20 1NQ: not on the flood risk listCA20 1NR: not on the flood risk listCA20 1NX: not on the flood risk listCA20 1NY: not on the flood risk listCA20 1PL: not on the flood risk listCA20 1PP: not on the flood risk listCA20 1PR: not on the flood risk listCA20 1PS: not on the flood risk listCA20 1PT: not on the flood risk listCA20 1PX: not on the flood risk listCA20 1QH: not on the flood risk listCA20 1QL: not on the flood risk listCA20 1QT: not on the flood risk listCA20 1QW: not on the flood risk listCA20 1RB: not on the flood risk listCA20 1BB: low flood risk at worstCA20 1BD: low flood risk at worstCA20 1BL: low flood risk at worstCA20 1PG: low flood risk at worstCA20 1QS: low flood risk at worstCA20 1RG: low flood risk at worstCA20 1DE: medium flood risk at worstCA20 1DH: medium flood risk at worstCA20 1EE: medium flood risk at worstCA20 1BE: high flood riskCA20 1BH: high flood riskCA20 1BJ: high flood riskCA20 1BQ: high flood riskCA20 1DB: high flood riskCA20 1DN: high flood riskCA20 1DZ: high flood riskCA20 1EX: high flood riskCA20 1FA: high flood riskCA20 1JB: high flood riskCA20 1QB: high flood riskCA20 1NU: high flood riskCA20 1NZ: high flood riskCA20 1PB: high flood risk Seascale Map of every postcode in the CA20 1 sector, by flood risk Of the 196 postcodes in the CA20 1 sector that ONS places, 15 have a home or business at high risk, 4 are at medium risk at worst, 9 are at low risk at worst and 168 are not on the Environment Agency's at-risk list. Places named: Seascale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. Seascale
  • A home or business at high risk: 15
  • At medium risk at worst: 4
  • At low risk at worst: 9
  • At very low risk only: 0
  • Not on the at-risk list: 168

Of the 196 postcodes in the CA20 1 sector that ONS places, 15 have a home or business at high risk, 4 are at medium risk at worst, 9 are at low risk at worst and 168 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

15 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

CA20 1BH32 at high riskCA20 1BQ19 at high riskCA20 1BJ6 at high riskCA20 1JB6 at high riskCA20 1DN4 at high riskCA20 1DZ3 at high riskCA20 1FA3 at high riskCA20 1EX2 at high riskCA20 1NZ2 at high riskCA20 1QD1 at high riskCA20 1BE1 at high riskCA20 1QB1 at high risk

What do homes sell for in CA20 1?

Homes in CA20 1 sold for a typical £210,000 in the 12 months to August 2026, across 48 sales, down 2.3% on the 12 months before, HM Land Registry's figures show.

£210,000 typical price, the 12 months to August 2026
£215,000 12 months to August 2025
▼ down 2.3% on the 12 months before
  • Detached £290,000 17 sales
  • Semi-detached £195,000 22 sales
  • Terraced £136,000 8 sales
  • Flat or maisonette 1 sale, too few to price

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 CA20 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 CA20 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.

CA20 1AACA20 1ADCA20 1AECA20 1AFCA20 1AGCA20 1AHCA20 1AJCA20 1ALCA20 1ANCA20 1APCA20 1AQCA20 1ARCA20 1ASCA20 1ATCA20 1AUCA20 1AWCA20 1AXCA20 1AYCA20 1AZCA20 1BACA20 1BBCA20 1BDCA20 1BECA20 1BGCA20 1BHCA20 1BJCA20 1BLCA20 1BNCA20 1BPCA20 1BQCA20 1BSCA20 1BTCA20 1BUCA20 1BWCA20 1BXCA20 1BYCA20 1BZCA20 1DBCA20 1DDCA20 1DECA20 1DFCA20 1DGCA20 1DHCA20 1DJCA20 1DLCA20 1DNCA20 1DQCA20 1DSCA20 1DTCA20 1DWCA20 1DXCA20 1DYCA20 1DZCA20 1EACA20 1EBCA20 1EDCA20 1EECA20 1EFCA20 1EGCA20 1EHCA20 1EJCA20 1ENCA20 1EPCA20 1EQCA20 1ERCA20 1ESCA20 1ETCA20 1EUCA20 1EWCA20 1EXCA20 1EYCA20 1EZCA20 1FACA20 1FBCA20 1FECA20 1FFCA20 1HACA20 1HBCA20 1HDCA20 1HECA20 1HFCA20 1HGCA20 1HHCA20 1HJCA20 1HLCA20 1HNCA20 1HPCA20 1HQCA20 1HRCA20 1HTCA20 1HUCA20 1HWCA20 1HXCA20 1HYCA20 1HZCA20 1JACA20 1JBCA20 1JDCA20 1JGCA20 1JHCA20 1JJCA20 1JLCA20 1JNCA20 1JPCA20 1JQCA20 1JRCA20 1JSCA20 1JTCA20 1JUCA20 1JWCA20 1JXCA20 1JYCA20 1JZCA20 1LBCA20 1LDCA20 1LECA20 1LFCA20 1LGCA20 1LHCA20 1LJCA20 1LLCA20 1LNCA20 1LPCA20 1LQCA20 1LRCA20 1LSCA20 1LTCA20 1LUCA20 1LWCA20 1LXCA20 1LYCA20 1LZCA20 1NACA20 1NBCA20 1NDCA20 1NECA20 1NFCA20 1NGCA20 1NHCA20 1NJCA20 1NLCA20 1NNCA20 1NPCA20 1NQCA20 1NRCA20 1NSCA20 1NTCA20 1NUCA20 1NWCA20 1NXCA20 1NYCA20 1NZCA20 1PACA20 1PBCA20 1PDCA20 1PECA20 1PFCA20 1PGCA20 1PHCA20 1PJCA20 1PLCA20 1PNCA20 1PPCA20 1PQCA20 1PRCA20 1PSCA20 1PTCA20 1PUCA20 1PWCA20 1PXCA20 1PZCA20 1QACA20 1QBCA20 1QDCA20 1QECA20 1QFCA20 1QGCA20 1QHCA20 1QJCA20 1QLCA20 1QNCA20 1QPCA20 1QQCA20 1QRCA20 1QSCA20 1QTCA20 1QUCA20 1QWCA20 1QXCA20 1QYCA20 1QZCA20 1RACA20 1RBCA20 1RDCA20 1RGCA20 1WR

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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