SO45 3 postcode sector in the SO45 district

SO45 3 is a sector of the SO45 district: every postcode that starts SO45 3. It has 153 postcodes in use, 6 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 SO45 3 sector, by flood risk

Map of every postcode in the SO45 3 sector, by flood risk Of the 153 postcodes in the SO45 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 150 are not on the Environment Agency's at-risk list. Places named: Hythe and Dibden Purlieu. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A326 SO45 3AB: not on the flood risk listSO45 3AD: not on the flood risk listSO45 3AE: not on the flood risk listSO45 3BL: not on the flood risk listSO45 3BP: not on the flood risk listSO45 3BU: not on the flood risk listSO45 3BW: not on the flood risk listSO45 3DA: not on the flood risk listSO45 3DJ: not on the flood risk listSO45 3FH: not on the flood risk listSO45 3FX: not on the flood risk listSO45 3FY: not on the flood risk listSO45 3FZ: not on the flood risk listSO45 3GA: not on the flood risk listSO45 3GB: not on the flood risk listSO45 3GD: not on the flood risk listSO45 3GE: not on the flood risk listSO45 3GF: not on the flood risk listSO45 3GG: not on the flood risk listSO45 3GH: not on the flood risk listSO45 3GJ: not on the flood risk listSO45 3GL: not on the flood risk listSO45 3GP: not on the flood risk listSO45 3GQ: not on the flood risk listSO45 3GR: not on the flood risk listSO45 3GS: not on the flood risk listSO45 3GT: not on the flood risk listSO45 3GU: not on the flood risk listSO45 3GW: not on the flood risk listSO45 3GX: not on the flood risk listSO45 3GY: not on the flood risk listSO45 3GZ: not on the flood risk listSO45 3HA: not on the flood risk listSO45 3HB: not on the flood risk listSO45 3HD: not on the flood risk listSO45 3HE: not on the flood risk listSO45 3HF: not on the flood risk listSO45 3HG: not on the flood risk listSO45 3HH: not on the flood risk listSO45 3HJ: not on the flood risk listSO45 3HL: not on the flood risk listSO45 3HN: not on the flood risk listSO45 3HP: not on the flood risk listSO45 3HQ: not on the flood risk listSO45 3HR: not on the flood risk listSO45 3HS: not on the flood risk listSO45 3HT: not on the flood risk listSO45 3HU: not on the flood risk listSO45 3HW: not on the flood risk listSO45 3HX: not on the flood risk listSO45 3HY: not on the flood risk listSO45 3HZ: not on the flood risk listSO45 3JA: not on the flood risk listSO45 3JB: not on the flood risk listSO45 3JD: not on the flood risk listSO45 3JR: not on the flood risk listSO45 3JS: not on the flood risk listSO45 3JT: not on the flood risk listSO45 3JU: not on the flood risk listSO45 3JW: not on the flood risk listSO45 3JX: not on the flood risk listSO45 3JY: not on the flood risk listSO45 3LA: not on the flood risk listSO45 3LB: not on the flood risk listSO45 3LE: not on the flood risk listSO45 3LF: not on the flood risk listSO45 3LG: not on the flood risk listSO45 3LH: not on the flood risk listSO45 3LJ: not on the flood risk listSO45 3LL: not on the flood risk listSO45 3LN: not on the flood risk listSO45 3LP: not on the flood risk listSO45 3LQ: not on the flood risk listSO45 3NA: not on the flood risk listSO45 3NB: not on the flood risk listSO45 3ND: not on the flood risk listSO45 3NE: not on the flood risk listSO45 3NF: not on the flood risk listSO45 3NG: not on the flood risk listSO45 3NH: not on the flood risk listSO45 3NJ: not on the flood risk listSO45 3NL: not on the flood risk listSO45 3NN: not on the flood risk listSO45 3NQ: not on the flood risk listSO45 3NR: not on the flood risk listSO45 3NS: not on the flood risk listSO45 3NT: not on the flood risk listSO45 3NU: not on the flood risk listSO45 3NX: not on the flood risk listSO45 3NY: not on the flood risk listSO45 3NZ: not on the flood risk listSO45 3PA: not on the flood risk listSO45 3PB: not on the flood risk listSO45 3PE: not on the flood risk listSO45 3PF: not on the flood risk listSO45 3PG: not on the flood risk listSO45 3PH: not on the flood risk listSO45 3PJ: not on the flood risk listSO45 3PL: not on the flood risk listSO45 3PN: not on the flood risk listSO45 3PP: not on the flood risk listSO45 3PQ: not on the flood risk listSO45 3PR: not on the flood risk listSO45 3PS: not on the flood risk listSO45 3PT: not on the flood risk listSO45 3PU: not on the flood risk listSO45 3PW: not on the flood risk listSO45 3PX: not on the flood risk listSO45 3PY: not on the flood risk listSO45 3PZ: not on the flood risk listSO45 3QA: not on the flood risk listSO45 3QB: not on the flood risk listSO45 3QD: not on the flood risk listSO45 3QE: not on the flood risk listSO45 3QF: not on the flood risk listSO45 3QG: not on the flood risk listSO45 3QH: not on the flood risk listSO45 3QJ: not on the flood risk listSO45 3QL: not on the flood risk listSO45 3QN: not on the flood risk listSO45 3QP: not on the flood risk listSO45 3QQ: not on the flood risk listSO45 3QR: not on the flood risk listSO45 3QS: not on the flood risk listSO45 3QT: not on the flood risk listSO45 3QU: not on the flood risk listSO45 3QW: not on the flood risk listSO45 3QX: not on the flood risk listSO45 3QY: not on the flood risk listSO45 3QZ: not on the flood risk listSO45 3RA: not on the flood risk listSO45 3RB: not on the flood risk listSO45 3RD: not on the flood risk listSO45 3RE: not on the flood risk listSO45 3RF: not on the flood risk listSO45 3RG: not on the flood risk listSO45 3RH: not on the flood risk listSO45 3RJ: not on the flood risk listSO45 3RL: not on the flood risk listSO45 3RN: not on the flood risk listSO45 3RP: not on the flood risk listSO45 3RQ: not on the flood risk listSO45 3RR: not on the flood risk listSO45 3RS: not on the flood risk listSO45 3RT: not on the flood risk listSO45 3SA: not on the flood risk listSO45 3SB: not on the flood risk listSO45 3YH: not on the flood risk listSO45 3ZG: not on the flood risk listSO45 3LS: low flood risk at worstSO45 3LD: high flood riskSO45 3NP: high flood risk Hythe and Dibden Purlieu Map of every postcode in the SO45 3 sector, by flood risk Of the 153 postcodes in the SO45 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 150 are not on the Environment Agency's at-risk list. Places named: Hythe and Dibden Purlieu. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A326 Hythe and Dibden Purlieu
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 150

Of the 153 postcodes in the SO45 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst and 150 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.

SO45 3NP7 at high riskSO45 3LD1 at high risk

What do homes sell for in SO45 3?

Homes in SO45 3 sold for a typical £315,000 in the 12 months to August 2026, across 35 sales, up 7.3% on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£293,500 12 months to August 2025
▲ up 7.3% on the 12 months before
  • Detached £395,000 10 sales
  • Semi-detached £316,000 16 sales
  • Terraced £265,000 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 SO45 3. 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 SO45 3

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.

SO45 3ABSO45 3ADSO45 3AESO45 3BLSO45 3BPSO45 3BUSO45 3BWSO45 3DASO45 3DJSO45 3FHSO45 3FXSO45 3FYSO45 3FZSO45 3GASO45 3GBSO45 3GDSO45 3GESO45 3GFSO45 3GGSO45 3GHSO45 3GJSO45 3GLSO45 3GPSO45 3GQSO45 3GRSO45 3GSSO45 3GTSO45 3GUSO45 3GWSO45 3GXSO45 3GYSO45 3GZSO45 3HASO45 3HBSO45 3HDSO45 3HESO45 3HFSO45 3HGSO45 3HHSO45 3HJSO45 3HLSO45 3HNSO45 3HPSO45 3HQSO45 3HRSO45 3HSSO45 3HTSO45 3HUSO45 3HWSO45 3HXSO45 3HYSO45 3HZSO45 3JASO45 3JBSO45 3JDSO45 3JRSO45 3JSSO45 3JTSO45 3JUSO45 3JWSO45 3JXSO45 3JYSO45 3LASO45 3LBSO45 3LDSO45 3LESO45 3LFSO45 3LGSO45 3LHSO45 3LJSO45 3LLSO45 3LNSO45 3LPSO45 3LQSO45 3LSSO45 3NASO45 3NBSO45 3NDSO45 3NESO45 3NFSO45 3NGSO45 3NHSO45 3NJSO45 3NLSO45 3NNSO45 3NPSO45 3NQSO45 3NRSO45 3NSSO45 3NTSO45 3NUSO45 3NXSO45 3NYSO45 3NZSO45 3PASO45 3PBSO45 3PESO45 3PFSO45 3PGSO45 3PHSO45 3PJSO45 3PLSO45 3PNSO45 3PPSO45 3PQSO45 3PRSO45 3PSSO45 3PTSO45 3PUSO45 3PWSO45 3PXSO45 3PYSO45 3PZSO45 3QASO45 3QBSO45 3QDSO45 3QESO45 3QFSO45 3QGSO45 3QHSO45 3QJSO45 3QLSO45 3QNSO45 3QPSO45 3QQSO45 3QRSO45 3QSSO45 3QTSO45 3QUSO45 3QWSO45 3QXSO45 3QYSO45 3QZSO45 3RASO45 3RBSO45 3RDSO45 3RESO45 3RFSO45 3RGSO45 3RHSO45 3RJSO45 3RLSO45 3RNSO45 3RPSO45 3RQSO45 3RRSO45 3RSSO45 3RTSO45 3SASO45 3SBSO45 3YHSO45 3YQSO45 3ZG

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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