SO20 8 postcode sector in the SO20 district

SO20 8 is a sector of the SO20 district: every postcode that starts SO20 8. It has 148 postcodes in use, 2 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 SO20 8 sector, by flood risk

Map of every postcode in the SO20 8 sector, by flood risk Of the 148 postcodes in the SO20 8 sector that ONS places, 8 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 134 are not on the Environment Agency's at-risk list. Places named: Mid Test. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A30 SO20 8AA: not on the flood risk listSO20 8AB: not on the flood risk listSO20 8AD: not on the flood risk listSO20 8AE: not on the flood risk listSO20 8AF: not on the flood risk listSO20 8AG: not on the flood risk listSO20 8AH: not on the flood risk listSO20 8AJ: not on the flood risk listSO20 8AL: not on the flood risk listSO20 8AN: not on the flood risk listSO20 8AP: not on the flood risk listSO20 8AQ: not on the flood risk listSO20 8AR: not on the flood risk listSO20 8AX: not on the flood risk listSO20 8BA: not on the flood risk listSO20 8BB: not on the flood risk listSO20 8BE: not on the flood risk listSO20 8BF: not on the flood risk listSO20 8BG: not on the flood risk listSO20 8BH: not on the flood risk listSO20 8BL: not on the flood risk listSO20 8BN: not on the flood risk listSO20 8BP: not on the flood risk listSO20 8BS: not on the flood risk listSO20 8BU: not on the flood risk listSO20 8BX: not on the flood risk listSO20 8BY: not on the flood risk listSO20 8BZ: not on the flood risk listSO20 8DA: not on the flood risk listSO20 8DB: not on the flood risk listSO20 8DD: not on the flood risk listSO20 8DF: not on the flood risk listSO20 8DG: not on the flood risk listSO20 8DH: not on the flood risk listSO20 8DJ: not on the flood risk listSO20 8DL: not on the flood risk listSO20 8DN: not on the flood risk listSO20 8DP: not on the flood risk listSO20 8DQ: not on the flood risk listSO20 8DR: not on the flood risk listSO20 8DS: not on the flood risk listSO20 8DT: not on the flood risk listSO20 8DU: not on the flood risk listSO20 8DX: not on the flood risk listSO20 8DY: not on the flood risk listSO20 8DZ: not on the flood risk listSO20 8EA: not on the flood risk listSO20 8EE: not on the flood risk listSO20 8EF: not on the flood risk listSO20 8EG: not on the flood risk listSO20 8EH: not on the flood risk listSO20 8EJ: not on the flood risk listSO20 8EP: not on the flood risk listSO20 8ER: not on the flood risk listSO20 8EY: not on the flood risk listSO20 8EZ: not on the flood risk listSO20 8FB: not on the flood risk listSO20 8FD: not on the flood risk listSO20 8GA: not on the flood risk listSO20 8GB: not on the flood risk listSO20 8GD: not on the flood risk listSO20 8GH: not on the flood risk listSO20 8GP: not on the flood risk listSO20 8GR: not on the flood risk listSO20 8GT: not on the flood risk listSO20 8HA: not on the flood risk listSO20 8HB: not on the flood risk listSO20 8HD: not on the flood risk listSO20 8HE: not on the flood risk listSO20 8HF: not on the flood risk listSO20 8HQ: not on the flood risk listSO20 8HT: not on the flood risk listSO20 8HW: not on the flood risk listSO20 8HX: not on the flood risk listSO20 8HY: not on the flood risk listSO20 8HZ: not on the flood risk listSO20 8JA: not on the flood risk listSO20 8JB: not on the flood risk listSO20 8JE: not on the flood risk listSO20 8JF: not on the flood risk listSO20 8JG: not on the flood risk listSO20 8JH: not on the flood risk listSO20 8JJ: not on the flood risk listSO20 8JL: not on the flood risk listSO20 8JN: not on the flood risk listSO20 8JQ: not on the flood risk listSO20 8JR: not on the flood risk listSO20 8JS: not on the flood risk listSO20 8JT: not on the flood risk listSO20 8JU: not on the flood risk listSO20 8JW: not on the flood risk listSO20 8JY: not on the flood risk listSO20 8JZ: not on the flood risk listSO20 8LA: not on the flood risk listSO20 8LB: not on the flood risk listSO20 8LL: not on the flood risk listSO20 8PA: not on the flood risk listSO20 8QA: not on the flood risk listSO20 8QD: not on the flood risk listSO20 8QE: not on the flood risk listSO20 8QF: not on the flood risk listSO20 8QG: not on the flood risk listSO20 8QJ: not on the flood risk listSO20 8QL: not on the flood risk listSO20 8QP: not on the flood risk listSO20 8QQ: not on the flood risk listSO20 8QR: not on the flood risk listSO20 8QU: not on the flood risk listSO20 8QW: not on the flood risk listSO20 8QZ: not on the flood risk listSO20 8RA: not on the flood risk listSO20 8RB: not on the flood risk listSO20 8EL: low flood risk at worstSO20 8EN: low flood risk at worstSO20 8HU: low flood risk at worstSO20 8AY: medium flood risk at worstSO20 8HR: medium flood risk at worstSO20 8AZ: high flood riskSO20 8BD: high flood riskSO20 8EQ: high flood riskSO20 8ET: high flood riskSO20 8EX: high flood riskSO20 8EW: high flood riskSO20 8HN: high flood riskSO20 8HP: high flood risk Mid Test Map of every postcode in the SO20 8 sector, by flood risk Of the 148 postcodes in the SO20 8 sector that ONS places, 8 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 134 are not on the Environment Agency's at-risk list. Places named: Mid Test. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. Mid Test
  • A home or business at high risk: 8
  • At medium risk at worst: 2
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 134

Of the 148 postcodes in the SO20 8 sector that ONS places, 8 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 134 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. Names in italics are council wards: we hold no town or village names here.

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.

SO20 8EW5 at high riskSO20 8EX3 at high riskSO20 8ET2 at high riskSO20 8AZ1 at high riskSO20 8BD1 at high riskSO20 8EQ1 at high riskSO20 8HN1 at high riskSO20 8HP1 at high risk

What do homes sell for in SO20 8?

Homes in SO20 8 sold for a typical £580,000 in the 12 months to August 2026, across 25 sales, down 5.7% on the 12 months before, HM Land Registry's figures show.

£580,000 typical price, the 12 months to August 2026
£615,000 12 months to August 2025
▼ down 5.7% on the 12 months before
  • Detached £685,000 15 sales
  • Semi-detached £420,000 7 sales
  • Terraced 3 sales, 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 SO20 8. 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 SO20 8

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.

SO20 8AASO20 8ABSO20 8ADSO20 8AESO20 8AFSO20 8AGSO20 8AHSO20 8AJSO20 8ALSO20 8ANSO20 8APSO20 8AQSO20 8ARSO20 8ASSO20 8ATSO20 8AUSO20 8AWSO20 8AXSO20 8AYSO20 8AZSO20 8BASO20 8BBSO20 8BDSO20 8BESO20 8BFSO20 8BGSO20 8BHSO20 8BLSO20 8BNSO20 8BPSO20 8BQSO20 8BSSO20 8BTSO20 8BUSO20 8BXSO20 8BYSO20 8BZSO20 8DASO20 8DBSO20 8DDSO20 8DFSO20 8DGSO20 8DHSO20 8DJSO20 8DLSO20 8DNSO20 8DPSO20 8DQSO20 8DRSO20 8DSSO20 8DTSO20 8DUSO20 8DXSO20 8DYSO20 8DZSO20 8EASO20 8EBSO20 8EESO20 8EFSO20 8EGSO20 8EHSO20 8EJSO20 8ELSO20 8ENSO20 8EPSO20 8EQSO20 8ERSO20 8ETSO20 8EUSO20 8EWSO20 8EXSO20 8EYSO20 8EZSO20 8FASO20 8FBSO20 8FDSO20 8GASO20 8GBSO20 8GDSO20 8GGSO20 8GHSO20 8GJSO20 8GPSO20 8GRSO20 8GSSO20 8GTSO20 8HASO20 8HBSO20 8HDSO20 8HESO20 8HFSO20 8HNSO20 8HPSO20 8HQSO20 8HRSO20 8HSSO20 8HTSO20 8HUSO20 8HWSO20 8HXSO20 8HYSO20 8HZSO20 8JASO20 8JBSO20 8JESO20 8JFSO20 8JGSO20 8JHSO20 8JJSO20 8JLSO20 8JNSO20 8JPSO20 8JQSO20 8JRSO20 8JSSO20 8JTSO20 8JUSO20 8JWSO20 8JXSO20 8JYSO20 8JZSO20 8LASO20 8LBSO20 8LLSO20 8PASO20 8PBSO20 8QASO20 8QBSO20 8QDSO20 8QESO20 8QFSO20 8QGSO20 8QHSO20 8QJSO20 8QLSO20 8QNSO20 8QPSO20 8QQSO20 8QRSO20 8QSSO20 8QTSO20 8QUSO20 8QWSO20 8QXSO20 8QYSO20 8QZSO20 8RASO20 8RB

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.