TS23 4 postcode sector in the TS23 district

TS23 4 is a sector of the TS23 district: every postcode that starts TS23 4. It has 67 postcodes in use, 3 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 TS23 4 sector, by flood risk

Map of every postcode in the TS23 4 sector, by flood risk Of the 67 postcodes in the TS23 4 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst, 2 are at very low risk only and 62 are not on the Environment Agency's at-risk list. Places named: Billingham South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1185 TS23 4AA: not on the flood risk listTS23 4AB: not on the flood risk listTS23 4AD: not on the flood risk listTS23 4AE: not on the flood risk listTS23 4AF: not on the flood risk listTS23 4AG: not on the flood risk listTS23 4AH: not on the flood risk listTS23 4AJ: not on the flood risk listTS23 4AL: not on the flood risk listTS23 4AN: not on the flood risk listTS23 4AP: not on the flood risk listTS23 4AQ: not on the flood risk listTS23 4AR: not on the flood risk listTS23 4AS: not on the flood risk listTS23 4AT: not on the flood risk listTS23 4AU: not on the flood risk listTS23 4AW: not on the flood risk listTS23 4AX: not on the flood risk listTS23 4AY: not on the flood risk listTS23 4AZ: not on the flood risk listTS23 4BA: not on the flood risk listTS23 4BB: not on the flood risk listTS23 4BD: not on the flood risk listTS23 4BE: not on the flood risk listTS23 4BF: not on the flood risk listTS23 4BG: not on the flood risk listTS23 4BH: not on the flood risk listTS23 4BJ: not on the flood risk listTS23 4BL: not on the flood risk listTS23 4BN: not on the flood risk listTS23 4BP: not on the flood risk listTS23 4BQ: not on the flood risk listTS23 4BS: not on the flood risk listTS23 4BT: not on the flood risk listTS23 4BU: not on the flood risk listTS23 4BW: not on the flood risk listTS23 4BX: not on the flood risk listTS23 4BY: not on the flood risk listTS23 4DA: not on the flood risk listTS23 4DB: not on the flood risk listTS23 4DD: not on the flood risk listTS23 4DE: not on the flood risk listTS23 4DG: not on the flood risk listTS23 4DU: not on the flood risk listTS23 4EA: not on the flood risk listTS23 4EB: not on the flood risk listTS23 4ED: not on the flood risk listTS23 4EE: not on the flood risk listTS23 4EF: not on the flood risk listTS23 4EG: not on the flood risk listTS23 4ET: not on the flood risk listTS23 4HF: not on the flood risk listTS23 4HR: not on the flood risk listTS23 4HS: not on the flood risk listTS23 4HU: not on the flood risk listTS23 4HW: not on the flood risk listTS23 4JA: not on the flood risk listTS23 4JB: not on the flood risk listTS23 4JD: not on the flood risk listTS23 4JE: not on the flood risk listTS23 4JF: not on the flood risk listTS23 4JG: not on the flood risk listTS23 4EY: very low flood risk onlyTS23 4HE: very low flood risk onlyTS23 4EX: low flood risk at worstTS23 4HN: low flood risk at worstTS23 4HA: medium flood risk at worst Billingham South Map of every postcode in the TS23 4 sector, by flood risk Of the 67 postcodes in the TS23 4 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst, 2 are at very low risk only and 62 are not on the Environment Agency's at-risk list. Places named: Billingham South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Billingham South
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 2
  • At very low risk only: 2
  • Not on the at-risk list: 62

Of the 67 postcodes in the TS23 4 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst, 2 are at very low risk only and 62 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. 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 medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

What do homes sell for in TS23 4?

Homes in TS23 4 sold for a typical £125,000 in the 12 months to August 2026, across 15 sales, up 8.7% on the 12 months before, HM Land Registry's figures show.

£125,000 typical price, the 12 months to August 2026
£115,000 12 months to August 2025
▲ up 8.7% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached 3 sales, too few to price
  • Terraced £125,000 11 sales

Standard sales of homes at market value at the postcodes that start TS23 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

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.