GL20 6 postcode sector in the GL20 district

GL20 6 is a sector of the GL20 district: every postcode that starts GL20 6. It has 106 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 GL20 6 sector, by flood risk

Map of every postcode in the GL20 6 sector, by flood risk Of the 106 postcodes in the GL20 6 sector that ONS places, 18 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst and 81 are not on the Environment Agency's at-risk list. Places named: Tewkesbury North & Twyning, Longdon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A438 GL20 6AD: not on the flood risk listGL20 6AE: not on the flood risk listGL20 6AF: not on the flood risk listGL20 6AG: not on the flood risk listGL20 6AJ: not on the flood risk listGL20 6AL: not on the flood risk listGL20 6AN: not on the flood risk listGL20 6AP: not on the flood risk listGL20 6AR: not on the flood risk listGL20 6AS: not on the flood risk listGL20 6AT: not on the flood risk listGL20 6AU: not on the flood risk listGL20 6AW: not on the flood risk listGL20 6AY: not on the flood risk listGL20 6AZ: not on the flood risk listGL20 6BA: not on the flood risk listGL20 6BB: not on the flood risk listGL20 6BD: not on the flood risk listGL20 6BE: not on the flood risk listGL20 6BG: not on the flood risk listGL20 6BH: not on the flood risk listGL20 6BL: not on the flood risk listGL20 6BY: not on the flood risk listGL20 6BZ: not on the flood risk listGL20 6DB: not on the flood risk listGL20 6DD: not on the flood risk listGL20 6DE: not on the flood risk listGL20 6DF: not on the flood risk listGL20 6DG: not on the flood risk listGL20 6DJ: not on the flood risk listGL20 6DN: not on the flood risk listGL20 6DP: not on the flood risk listGL20 6DR: not on the flood risk listGL20 6DS: not on the flood risk listGL20 6DT: not on the flood risk listGL20 6DU: not on the flood risk listGL20 6DW: not on the flood risk listGL20 6DX: not on the flood risk listGL20 6DY: not on the flood risk listGL20 6DZ: not on the flood risk listGL20 6ED: not on the flood risk listGL20 6EE: not on the flood risk listGL20 6EF: not on the flood risk listGL20 6EH: not on the flood risk listGL20 6EJ: not on the flood risk listGL20 6EU: not on the flood risk listGL20 6EX: not on the flood risk listGL20 6EZ: not on the flood risk listGL20 6FA: not on the flood risk listGL20 6FB: not on the flood risk listGL20 6FD: not on the flood risk listGL20 6FE: not on the flood risk listGL20 6FG: not on the flood risk listGL20 6FH: not on the flood risk listGL20 6FJ: not on the flood risk listGL20 6HE: not on the flood risk listGL20 6HG: not on the flood risk listGL20 6HP: not on the flood risk listGL20 6HQ: not on the flood risk listGL20 6HS: not on the flood risk listGL20 6HU: not on the flood risk listGL20 6HX: not on the flood risk listGL20 6HY: not on the flood risk listGL20 6HZ: not on the flood risk listGL20 6JA: not on the flood risk listGL20 6JB: not on the flood risk listGL20 6JD: not on the flood risk listGL20 6JH: not on the flood risk listGL20 6JJ: not on the flood risk listGL20 6JL: not on the flood risk listGL20 6JN: not on the flood risk listGL20 6JP: not on the flood risk listGL20 6JQ: not on the flood risk listGL20 6JS: not on the flood risk listGL20 6JT: not on the flood risk listGL20 6JU: not on the flood risk listGL20 6JW: not on the flood risk listGL20 6DQ: low flood risk at worstGL20 6DL: low flood risk at worstGL20 6EL: low flood risk at worstGL20 6EW: low flood risk at worstGL20 6HA: low flood risk at worstGL20 6EA: medium flood risk at worstGL20 6HR: medium flood risk at worstGL20 6AA: high flood riskGL20 6AH: high flood riskGL20 6AQ: high flood riskGL20 6AX: high flood riskGL20 6BJ: high flood riskGL20 6DA: high flood riskGL20 6EB: high flood riskGL20 6EG: high flood riskGL20 6EP: high flood riskGL20 6EQ: high flood riskGL20 6ER: high flood riskGL20 6ES: high flood riskGL20 6ET: high flood riskGL20 6EY: high flood riskGL20 6FL: high flood riskGL20 6HB: high flood riskGL20 6HD: high flood riskGL20 6HT: high flood risk Tewkesbury North & TwyningLongdon Map of every postcode in the GL20 6 sector, by flood risk Of the 106 postcodes in the GL20 6 sector that ONS places, 18 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst and 81 are not on the Environment Agency's at-risk list. Places named: Tewkesbury North & Twyning, Longdon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. Tewkesbury North & TwyningLongdon
  • A home or business at high risk: 18
  • At medium risk at worst: 2
  • At low risk at worst: 5
  • At very low risk only: 0
  • Not on the at-risk list: 81

Of the 106 postcodes in the GL20 6 sector that ONS places, 18 have a home or business at high risk, 2 are at medium risk at worst, 5 are at low risk at worst and 81 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

18 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.

GL20 6ER14 at high riskGL20 6HD10 at high riskGL20 6EG9 at high riskGL20 6HT5 at high riskGL20 6EP5 at high riskGL20 6ET5 at high riskGL20 6AA4 at high riskGL20 6EB4 at high riskGL20 6HB3 at high riskGL20 6ES2 at high riskGL20 6BJ2 at high riskGL20 6EQ1 at high risk

What do homes sell for in GL20 6?

Homes in GL20 6 sold for a typical £528,500 in the 12 months to August 2026, across 30 sales, up 25.8% on the 12 months before, HM Land Registry's figures show.

£528,500 typical price, the 12 months to August 2026
£420,000 12 months to August 2025
▲ up 25.8% on the 12 months before
  • Detached £615,000 20 sales
  • Semi-detached £337,500 10 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 GL20 6. 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 GL20 6

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.

GL20 6AAGL20 6ADGL20 6AEGL20 6AFGL20 6AGGL20 6AHGL20 6AJGL20 6ALGL20 6ANGL20 6APGL20 6AQGL20 6ARGL20 6ASGL20 6ATGL20 6AUGL20 6AWGL20 6AXGL20 6AYGL20 6AZGL20 6BAGL20 6BBGL20 6BDGL20 6BEGL20 6BGGL20 6BHGL20 6BJGL20 6BLGL20 6BYGL20 6BZGL20 6DAGL20 6DBGL20 6DDGL20 6DEGL20 6DFGL20 6DGGL20 6DHGL20 6DJGL20 6DLGL20 6DNGL20 6DPGL20 6DQGL20 6DRGL20 6DSGL20 6DTGL20 6DUGL20 6DWGL20 6DXGL20 6DYGL20 6DZGL20 6EAGL20 6EBGL20 6EDGL20 6EEGL20 6EFGL20 6EGGL20 6EHGL20 6EJGL20 6ELGL20 6ENGL20 6EPGL20 6EQGL20 6ERGL20 6ESGL20 6ETGL20 6EUGL20 6EWGL20 6EXGL20 6EYGL20 6EZGL20 6FAGL20 6FBGL20 6FDGL20 6FEGL20 6FFGL20 6FGGL20 6FHGL20 6FJGL20 6FLGL20 6HAGL20 6HBGL20 6HDGL20 6HEGL20 6HGGL20 6HPGL20 6HQGL20 6HRGL20 6HSGL20 6HTGL20 6HUGL20 6HXGL20 6HYGL20 6HZGL20 6JAGL20 6JBGL20 6JDGL20 6JHGL20 6JJGL20 6JLGL20 6JNGL20 6JPGL20 6JQGL20 6JRGL20 6JSGL20 6JTGL20 6JUGL20 6JW

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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