TN1 1 postcode sector in the TN1 district
TN1 1 is a sector of the TN1 district: every postcode that starts TN1 1. It has 172 postcodes in use, 21 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 TN1 1 sector, and which are new since 2020
- New since 2020: 7
- In use before 2020: 165
- Outline: where 5 or more new postcodes since 2020 lie together
Of the 172 postcodes in the TN1 1 sector that ONS places, 7 are new since 2020 and 165 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.
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 5 newest postcodes
Where the new postcodes lie together
- 5 new postcodes since 2020, outlined on the map. TN1 1AP, is the newest of them.
What do homes sell for in TN1 1?
Homes in TN1 1 sold for a typical £325,000 in the 12 months to August 2026, across 63 sales, HM Land Registry's figures show. The 12 months before gave £331,500 from 104 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached 1 sale, too few to price
- Semi-detached 4 sales, too few to price
- Terraced £750,000 17 sales
- Flat or maisonette £270,000 41 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 TN1 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 September 2026.
Postcodes in TN1 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 TN1
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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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