SG9 postcode district

Postcodes and sectors

515 of the district's 605 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 51.95056, -0.00928, which locates the district, not a building.

Companies registered in SG9

Companies House lists 820 companies with a registered office in SG9; 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 SG9

• Hertfordshire
• Eastern
• East Hertfordshire
• Buntingford
• North Hertfordshire
• Cottered
• Brent Pelham
• Hare Street
• Westmill
• Great Hormead
• Buckland
• Sandon
• Meesden
• Furneux Pelham
• Anstey
• Wyddial
• Little Hormead
• Rushden
• Aspenden
• Chipping
• Barleycroft End
• Roe Green
• Stocking Pelham
• Mill End

Roads filed under SG9

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.

• Abrahams Drive
• Aldridge Way
• Anderson's Lane
• Ansell Close
• Applewood
• Archers
• Aspenden Road
• Aylotts Close
• Back Lane
• Baker Drive
• Baldock Road
• Barleycroft
• Beckfield Lane
• Bell Barns
• Bennett's Lane
• Biggin Hill
• Bishop Way
• Blind Lane
• Borsberry Way
• Bowlers Mead
• Bowling Green Lane
• Brice Gardens
• Bridewell Close
• Bridge End
• Bridgefoot
• Broad Baulk
• Browneymead Lane
• Bull Lane
• Burymead Lane
• Byatt Gardens
• Calvert Close
• Campbell Close
• Castle Grove
• Chapel End
• Chequers Close
• Cherry Green Lane
• Cherry Orchard Lane
• Church Street
• Clayton Drive
• Conduit Lane
• Cornes Gardens
• Cornwell Close
• Cottered Road
• Coxhall Lane
• Crabb's Lane
• Cranville Way
• Crouch Gardens
• Cut-Throat Lane
• Dark Lane
• Darton Way
• Deacons Place
• Dellow Close
• Dell Springs
• Dixon Place
• Downhall Ley
• Dray Gardens
• Drift Way
• Ermine Court
• Ermine Street
• Fairfield

Check an address in SG9

Check an address in SG9

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SG9" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about SG9

What does an SG9 postcode tell you?

That the address lies in the SG9 district of the SG (Stevenage) postcode area, and the place OS Open Names most often lists first for its postcodes is Buntingford. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 515 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 SG9

• SG117.7 km
• SG212.2 km
• SG812.7 km
• SG712.9 km
• SG1012.9 km
• SG113.4 km
• CM2314.4 km
• SG615.0 km
• SG1215.2 km
• SG315.6 km
• CM2415.7 km
• CB1116.1 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids