ST12 9 postcode sector in the ST12 district

ST12 9 is a sector of the ST12 district: every postcode that starts ST12 9. It has 122 postcodes in use, 7 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 ST12 9 sector, by flood risk

Map of every postcode in the ST12 9 sector, by flood risk Of the 122 postcodes in the ST12 9 sector that ONS places, 2 have a home or business at high risk, 2 are at low risk at worst and 118 are not on the Environment Agency's at-risk list. Places named: Barlaston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M6A500A50A520 ST12 9AA: not on the flood risk listST12 9AB: not on the flood risk listST12 9AD: not on the flood risk listST12 9AE: not on the flood risk listST12 9AF: not on the flood risk listST12 9AG: not on the flood risk listST12 9AJ: not on the flood risk listST12 9AL: not on the flood risk listST12 9AP: not on the flood risk listST12 9AQ: not on the flood risk listST12 9AR: not on the flood risk listST12 9AS: not on the flood risk listST12 9AT: not on the flood risk listST12 9AU: not on the flood risk listST12 9AW: not on the flood risk listST12 9AY: not on the flood risk listST12 9AZ: not on the flood risk listST12 9BA: not on the flood risk listST12 9BB: not on the flood risk listST12 9BD: not on the flood risk listST12 9BE: not on the flood risk listST12 9BF: not on the flood risk listST12 9BG: not on the flood risk listST12 9BH: not on the flood risk listST12 9BJ: not on the flood risk listST12 9BL: not on the flood risk listST12 9BN: not on the flood risk listST12 9BP: not on the flood risk listST12 9BQ: not on the flood risk listST12 9BS: not on the flood risk listST12 9BT: not on the flood risk listST12 9BW: not on the flood risk listST12 9BY: not on the flood risk listST12 9DA: not on the flood risk listST12 9DB: not on the flood risk listST12 9DD: not on the flood risk listST12 9DE: not on the flood risk listST12 9DF: not on the flood risk listST12 9DH: not on the flood risk listST12 9DJ: not on the flood risk listST12 9DL: not on the flood risk listST12 9DN: not on the flood risk listST12 9DP: not on the flood risk listST12 9DQ: not on the flood risk listST12 9DR: not on the flood risk listST12 9DS: not on the flood risk listST12 9DT: not on the flood risk listST12 9DW: not on the flood risk listST12 9DX: not on the flood risk listST12 9DY: not on the flood risk listST12 9DZ: not on the flood risk listST12 9EA: not on the flood risk listST12 9EB: not on the flood risk listST12 9ED: not on the flood risk listST12 9EE: not on the flood risk listST12 9EF: not on the flood risk listST12 9EG: not on the flood risk listST12 9EH: not on the flood risk listST12 9EJ: not on the flood risk listST12 9EP: not on the flood risk listST12 9EQ: not on the flood risk listST12 9ER: not on the flood risk listST12 9ES: not on the flood risk listST12 9ET: not on the flood risk listST12 9EU: not on the flood risk listST12 9EW: not on the flood risk listST12 9EX: not on the flood risk listST12 9EY: not on the flood risk listST12 9FD: not on the flood risk listST12 9FE: not on the flood risk listST12 9FF: not on the flood risk listST12 9FG: not on the flood risk listST12 9FH: not on the flood risk listST12 9FJ: not on the flood risk listST12 9FL: not on the flood risk listST12 9FN: not on the flood risk listST12 9FP: not on the flood risk listST12 9FQ: not on the flood risk listST12 9FR: not on the flood risk listST12 9FS: not on the flood risk listST12 9HA: not on the flood risk listST12 9HD: not on the flood risk listST12 9HE: not on the flood risk listST12 9HF: not on the flood risk listST12 9HH: not on the flood risk listST12 9HJ: not on the flood risk listST12 9HL: not on the flood risk listST12 9HN: not on the flood risk listST12 9HP: not on the flood risk listST12 9HQ: not on the flood risk listST12 9HS: not on the flood risk listST12 9HU: not on the flood risk listST12 9HW: not on the flood risk listST12 9HX: not on the flood risk listST12 9JA: not on the flood risk listST12 9JB: not on the flood risk listST12 9JD: not on the flood risk listST12 9JE: not on the flood risk listST12 9JF: not on the flood risk listST12 9JG: not on the flood risk listST12 9JH: not on the flood risk listST12 9JJ: not on the flood risk listST12 9JL: not on the flood risk listST12 9JN: not on the flood risk listST12 9JP: not on the flood risk listST12 9JQ: not on the flood risk listST12 9JR: not on the flood risk listST12 9JY: not on the flood risk listST12 9PA: not on the flood risk listST12 9WN: not on the flood risk listST12 9EN: low flood risk at worstST12 9FA: low flood risk at worstST12 9HG: high flood riskST12 9HR: high flood risk Barlaston Map of every postcode in the ST12 9 sector, by flood risk Of the 122 postcodes in the ST12 9 sector that ONS places, 2 have a home or business at high risk, 2 are at low risk at worst and 118 are not on the Environment Agency's at-risk list. Places named: Barlaston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A5035A34A5007 Barlaston
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 118

Of the 122 postcodes in the ST12 9 sector that ONS places, 2 have a home or business at high risk, 2 are at low risk at worst and 118 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.

What do homes sell for in ST12 9?

Homes in ST12 9 sold for a typical £271,000 in the 12 months to August 2026, across 37 sales, down 15.3% on the 12 months before, HM Land Registry's figures show.

£271,000 typical price, the 12 months to August 2026
£320,000 12 months to August 2025
▼ down 15.3% on the 12 months before
  • Detached £397,475 12 sales
  • Semi-detached £268,000 14 sales
  • Terraced £173,000 7 sales
  • Flat or maisonette 4 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 ST12 9. 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

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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