TN18 postcode district

Postcodes and sectors

351 of the district's 422 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 51.04245, 0.52246, which locates the district, not a building.

Companies registered in TN18

Companies House lists 340 companies with a registered office in TN18; none of them at an address shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for TN18

• South East
• Kent
• Tunbridge Wells
• Hawkhurst
• The Moor
• Sandhurst
• Sandhurst Cross
• Gill's Green
• Ashford
• Four Throws
• Newenden
• Pipsden
• Little Conghurst
• Cranbrook
• Linkhill
• Beal's Green
• Field Green
• Rother
• East Sussex
• Four Wents
• Gun Green

Roads filed under TN18

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• All Saints Road
• Attwaters Lane
• Avards Close
• Back Road
• Barretts Road
• Basden Cottages
• Beech Road
• Birchfield Grove
• Bodiam Road
• Bourne Lane
• Brookgate Lane
• Burnt House Close
• Canon Jeffreys Court
• Church Road
• Conghurst Lane
• Copthall Avenue
• Cowden Close
• Cowden Lane
• Cranbrook Road
• Crouch Lane
• Davis Mews
• Delmonden Lane
• Delmonden Road
• Dickens Way
• Discovery Close
• Ethnam Lane
• Eton Place
• Fairview
• Fieldways
• Foxhole Lane
• Gills Green Courtyard
• Gingerbread Lane
• Gunther Close
• Hammonds
• Hartnokes
• Hastings Road
• Hawkhurst Road
• Heansill Lane
• Heartenoak Road
• Herschel Place
• Highfield Close
• Highgate Hill
• High Street
• Hopehouse Lane
• Horns Road
• Laxton Drive
• Lillesden Park
• Limes Grove
• Lomas Lane
• Lorenden Park
• Lossenham Lane
• Manton Crescent
• Marsh Quarter Lane
• Megrims Hill
• Mercers
• Millers Meadow
• Moor Hill
• Murton-Neale Close
• Norris Close
• Northgrove Road

Check an address in TN18

Check an address in TN18

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=TN18" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about TN18

What does a TN18 postcode tell you?

That the address lies in the TN18 district of the TN (Tonbridge) postcode area, and the place OS Open Names most often lists first for its postcodes is Hawkhurst. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 351 live postcodes.

Where the counts come from

• ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
• os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
• uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest TN18

• TN176.1 km
• TN327.4 km
• TN199.3 km
• TN511.1 km
• TN3012.4 km
• TN3114.4 km
• TN3315.0 km
• TN1215.5 km
• TN3618.4 km
• TN2718.4 km
• TN3518.8 km
• TN3719.0 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids