TN23 1 postcode sector in the TN23 district
TN23 1 is a sector of the TN23 district: every postcode that starts TN23 1. It has 117 postcodes in use, 10 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 TN23 1 sector, and which are new since 2020
- New since 2020: 4
- In use before 2020: 113
Of the 117 postcodes in the TN23 1 sector that ONS places, 4 are new since 2020 and 113 were in use before 2020.
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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn.
Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.
The 4 newest postcodes
What do homes sell for in TN23 1?
Homes in TN23 1 sold for a typical £290,000 in the 12 months to September 2026, across 25 sales, HM Land Registry's figures show. The 12 months before gave £232,500 from 23 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.
- Semi-detached £317,500 9 sales
- Terraced £273,500 12 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 TN23 1. A typical price is the median, the middle sale, given from 5 sales or more.
How we work this out: house prices by postcodeSource: HM Land Registry Price Paid Data, files dated 28 October 2026.
Postcodes in TN23 1
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.
Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.
Other sectors in TN23
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Where the facts on this page come from
- Office for National Statistics: ONS Postcode Directory
- HM Land Registry Price Paid Data
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
Licence: Open Government Licence v3.0.
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