TW15 postcode district

Postcodes and sectors

659 of the district's 1,089 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 51.43124, -0.45873, which locates the district, not a building.

Companies registered in TW15

Companies House lists 3,019 companies with a registered office in TW15; 1,093 of them at addresses 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 TW15

• Spelthorne
• Surrey
• South East
• Ashford
• Ashford Common
• Littleton Common
• Hounslow
• Greater London
• London

Roads filed under TW15

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.

• Abbey Gardens
• Adelaide Road
• Albain Crescent
• Albert Road
• Alexandra Close
• Alexandra Court
• Alexandra Road
• Anderson Drive
• Anglesey Close
• Approach Road
• Arlington Road
• Ashcombe Close
• Ashdene Close
• Ashford Avenue
• Ashford Close
• Ashford Crescent
• Ashford Road
• Ashgrove Road
• Ashmead Close
• Ashview Close
• Ashview Gardens
• Aspen Gardens
• Avondale Road
• Badgers Close
• Bancroft Close
• Barn Close
• Beards Road
• Beaumont Drive
• Beech Close
• Birch Court
• Boundary Road
• Bridge Gardens
• Brookside Avenue
• Brownrigg Road
• Burleigh Gardens
• Buxton Road
• Cambridge Road
• Carew Road
• Caroline Court
• Cecil Close
• Cecil Road
• Celia Crescent
• Chalet Close
• Challenge Road
• Chalmers Road
• Chalmers Road East
• Chattern Hill
• Chattern Road
• Chaucer Road
• Chertsey Road
• Chessholme Road
• Chester Close
• Chesterfield Road
• Chestnut Close
• Chestnut Road
• Cheyne Road
• Church Road
• Clarendon Road
• Clifford Grove
• Clockhouse Lane

Check an address in TW15

Check an address in TW15

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=TW15" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about TW15

What does a TW15 postcode tell you?

That the address lies in the TW15 district of the TW (Twickenham) postcode area, and the place OS Open Names most often lists first for its postcodes is Ashford. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 659 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 TW15

• TW183.2 km
• TW163.4 km
• TW143.6 km
• TW173.7 km
• TW193.8 km
• TW134.0 km
• TW64.4 km
• TW46.2 km
• TW126.2 km
• TW206.5 km
• KT166.8 km
• KT126.9 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids