TA20 4 postcode sector in the TA20 district

TA20 4 is a sector of the TA20 district: every postcode that starts TA20 4. It has 168 postcodes in use, one of them a large-user postcode. 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 TA20 4 sector, by flood risk

Map of every postcode in the TA20 4 sector, by flood risk Of the 168 postcodes in the TA20 4 sector that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst and 157 are not on the Environment Agency's at-risk list. Places named: Chard, Tatworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A358A30 TA20 4AA: not on the flood risk listTA20 4AB: not on the flood risk listTA20 4AD: not on the flood risk listTA20 4AE: not on the flood risk listTA20 4AF: not on the flood risk listTA20 4AG: not on the flood risk listTA20 4AH: not on the flood risk listTA20 4AJ: not on the flood risk listTA20 4AL: not on the flood risk listTA20 4AN: not on the flood risk listTA20 4AP: not on the flood risk listTA20 4AQ: not on the flood risk listTA20 4AS: not on the flood risk listTA20 4AT: not on the flood risk listTA20 4AU: not on the flood risk listTA20 4AW: not on the flood risk listTA20 4AX: not on the flood risk listTA20 4AY: not on the flood risk listTA20 4AZ: not on the flood risk listTA20 4BA: not on the flood risk listTA20 4BB: not on the flood risk listTA20 4BD: not on the flood risk listTA20 4BE: not on the flood risk listTA20 4BF: not on the flood risk listTA20 4BG: not on the flood risk listTA20 4BH: not on the flood risk listTA20 4BJ: not on the flood risk listTA20 4BN: not on the flood risk listTA20 4BP: not on the flood risk listTA20 4BS: not on the flood risk listTA20 4BT: not on the flood risk listTA20 4BU: not on the flood risk listTA20 4BW: not on the flood risk listTA20 4BX: not on the flood risk listTA20 4BY: not on the flood risk listTA20 4DD: not on the flood risk listTA20 4DF: not on the flood risk listTA20 4DG: not on the flood risk listTA20 4DH: not on the flood risk listTA20 4DJ: not on the flood risk listTA20 4DL: not on the flood risk listTA20 4DN: not on the flood risk listTA20 4DP: not on the flood risk listTA20 4DQ: not on the flood risk listTA20 4DR: not on the flood risk listTA20 4DT: not on the flood risk listTA20 4DU: not on the flood risk listTA20 4DW: not on the flood risk listTA20 4DX: not on the flood risk listTA20 4DY: not on the flood risk listTA20 4DZ: not on the flood risk listTA20 4EA: not on the flood risk listTA20 4EB: not on the flood risk listTA20 4EE: not on the flood risk listTA20 4EF: not on the flood risk listTA20 4EG: not on the flood risk listTA20 4EH: not on the flood risk listTA20 4EJ: not on the flood risk listTA20 4EP: not on the flood risk listTA20 4EQ: not on the flood risk listTA20 4ER: not on the flood risk listTA20 4EW: not on the flood risk listTA20 4HB: not on the flood risk listTA20 4HD: not on the flood risk listTA20 4HE: not on the flood risk listTA20 4HF: not on the flood risk listTA20 4HG: not on the flood risk listTA20 4HH: not on the flood risk listTA20 4HJ: not on the flood risk listTA20 4HL: not on the flood risk listTA20 4HN: not on the flood risk listTA20 4HP: not on the flood risk listTA20 4HQ: not on the flood risk listTA20 4HR: not on the flood risk listTA20 4HS: not on the flood risk listTA20 4HT: not on the flood risk listTA20 4HU: not on the flood risk listTA20 4HW: not on the flood risk listTA20 4HY: not on the flood risk listTA20 4HZ: not on the flood risk listTA20 4JA: not on the flood risk listTA20 4JB: not on the flood risk listTA20 4JD: not on the flood risk listTA20 4JE: not on the flood risk listTA20 4JF: not on the flood risk listTA20 4JH: not on the flood risk listTA20 4JJ: not on the flood risk listTA20 4JL: not on the flood risk listTA20 4JN: not on the flood risk listTA20 4JQ: not on the flood risk listTA20 4JR: not on the flood risk listTA20 4JS: not on the flood risk listTA20 4JT: not on the flood risk listTA20 4JU: not on the flood risk listTA20 4JW: not on the flood risk listTA20 4JX: not on the flood risk listTA20 4JY: not on the flood risk listTA20 4JZ: not on the flood risk listTA20 4LA: not on the flood risk listTA20 4LE: not on the flood risk listTA20 4LG: not on the flood risk listTA20 4LN: not on the flood risk listTA20 4LP: not on the flood risk listTA20 4LQ: not on the flood risk listTA20 4LR: not on the flood risk listTA20 4LS: not on the flood risk listTA20 4LT: not on the flood risk listTA20 4LW: not on the flood risk listTA20 4LX: not on the flood risk listTA20 4LY: not on the flood risk listTA20 4LZ: not on the flood risk listTA20 4NA: not on the flood risk listTA20 4NB: not on the flood risk listTA20 4ND: not on the flood risk listTA20 4NE: not on the flood risk listTA20 4NF: not on the flood risk listTA20 4NH: not on the flood risk listTA20 4NJ: not on the flood risk listTA20 4NL: not on the flood risk listTA20 4NN: not on the flood risk listTA20 4NP: not on the flood risk listTA20 4NQ: not on the flood risk listTA20 4NR: not on the flood risk listTA20 4NT: not on the flood risk listTA20 4NW: not on the flood risk listTA20 4NX: not on the flood risk listTA20 4NY: not on the flood risk listTA20 4NZ: not on the flood risk listTA20 4PA: not on the flood risk listTA20 4PD: not on the flood risk listTA20 4PE: not on the flood risk listTA20 4PF: not on the flood risk listTA20 4PH: not on the flood risk listTA20 4PJ: not on the flood risk listTA20 4PL: not on the flood risk listTA20 4PN: not on the flood risk listTA20 4PP: not on the flood risk listTA20 4PS: not on the flood risk listTA20 4PT: not on the flood risk listTA20 4PW: not on the flood risk listTA20 4PX: not on the flood risk listTA20 4PY: not on the flood risk listTA20 4PZ: not on the flood risk listTA20 4QA: not on the flood risk listTA20 4QB: not on the flood risk listTA20 4QH: not on the flood risk listTA20 4QJ: not on the flood risk listTA20 4QL: not on the flood risk listTA20 4QQ: not on the flood risk listTA20 4QR: not on the flood risk listTA20 4QS: not on the flood risk listTA20 4QU: not on the flood risk listTA20 4DE: low flood risk at worstTA20 4EN: low flood risk at worstTA20 4LB: low flood risk at worstTA20 4QT: low flood risk at worstTA20 4LU: medium flood risk at worstTA20 4BZ: high flood riskTA20 4EL: high flood riskTA20 4JP: high flood riskTA20 4QN: high flood riskTA20 4QP: high flood riskTA20 4QW: high flood risk ChardTatworth Map of every postcode in the TA20 4 sector, by flood risk Of the 168 postcodes in the TA20 4 sector that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst and 157 are not on the Environment Agency's at-risk list. Places named: Ilminster, Marshwood Vale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. IlminsterMarshwood Vale
  • A home or business at high risk: 6
  • At medium risk at worst: 1
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 157

Of the 168 postcodes in the TA20 4 sector that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 4 are at low risk at worst and 157 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.

TA20 4QN9 at high riskTA20 4QW8 at high riskTA20 4BZ5 at high riskTA20 4EL2 at high riskTA20 4JP1 at high riskTA20 4QP1 at high risk

What do homes sell for in TA20 4?

Homes in TA20 4 sold for a typical £334,500 in the 12 months to August 2026, across 20 sales, down 9.6% on the 12 months before, HM Land Registry's figures show.

£334,500 typical price, the 12 months to August 2026
£370,000 12 months to August 2025
▼ down 9.6% on the 12 months before
  • Detached £460,000 11 sales
  • Semi-detached £262,500 6 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 TA20 4. 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 TA20 4

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.

TA20 4AATA20 4ABTA20 4ADTA20 4AETA20 4AFTA20 4AGTA20 4AHTA20 4AJTA20 4ALTA20 4ANTA20 4APTA20 4AQTA20 4ASTA20 4ATTA20 4AUTA20 4AWTA20 4AXTA20 4AYTA20 4AZTA20 4BATA20 4BBTA20 4BDTA20 4BETA20 4BFTA20 4BGTA20 4BHTA20 4BJTA20 4BNTA20 4BPTA20 4BQTA20 4BSTA20 4BTTA20 4BUTA20 4BWTA20 4BXTA20 4BYTA20 4BZTA20 4DDTA20 4DETA20 4DFTA20 4DGTA20 4DHTA20 4DJTA20 4DLTA20 4DNTA20 4DPTA20 4DQTA20 4DRTA20 4DTTA20 4DUTA20 4DWTA20 4DXTA20 4DYTA20 4DZTA20 4EATA20 4EBTA20 4EDTA20 4EETA20 4EFTA20 4EGTA20 4EHTA20 4EJTA20 4ELTA20 4ENTA20 4EPTA20 4EQTA20 4ERTA20 4EWTA20 4HBTA20 4HDTA20 4HETA20 4HFTA20 4HGTA20 4HHTA20 4HJTA20 4HLTA20 4HNTA20 4HPTA20 4HQTA20 4HRTA20 4HSTA20 4HTTA20 4HUTA20 4HWTA20 4HXTA20 4HYTA20 4HZTA20 4JATA20 4JBTA20 4JDTA20 4JETA20 4JFTA20 4JHTA20 4JJTA20 4JLTA20 4JNTA20 4JPTA20 4JQTA20 4JRTA20 4JSTA20 4JTTA20 4JUTA20 4JWTA20 4JXTA20 4JYTA20 4JZTA20 4LATA20 4LBTA20 4LETA20 4LGTA20 4LNTA20 4LPTA20 4LQTA20 4LRTA20 4LSTA20 4LTTA20 4LUTA20 4LWTA20 4LXTA20 4LYTA20 4LZTA20 4NATA20 4NBTA20 4NDTA20 4NETA20 4NFTA20 4NGTA20 4NHTA20 4NJTA20 4NLTA20 4NNTA20 4NPTA20 4NQTA20 4NRTA20 4NTTA20 4NWTA20 4NXTA20 4NYTA20 4NZTA20 4PATA20 4PDTA20 4PETA20 4PFTA20 4PHTA20 4PJTA20 4PLTA20 4PNTA20 4PPTA20 4PQTA20 4PSTA20 4PTTA20 4PWTA20 4PXTA20 4PYTA20 4PZTA20 4QATA20 4QBTA20 4QHTA20 4QJTA20 4QLTA20 4QNTA20 4QPTA20 4QQTA20 4QRTA20 4QSTA20 4QTTA20 4QUTA20 4QW

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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