SG10 postcode district
SG10, in the SG (Stevenage) postcode area, has 108 live and 28 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 36 roads under it.
| postcode area | SG (Stevenage) |
|---|---|
| live postcodes | 108 |
| terminated postcodes | 28 |
| sectors | 1 |
| roads listed | 36 |
| companies registered | 115 |
| centroid | 51.84715, 0.07632 |
| directory release | 2026-08 |
Postcodes and sectors
108 of the district's 136 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 51.84715, 0.07632, which locates the district, not a building.
| sector | live | terminated |
|---|---|---|
| SG10 6 | 108 | 28 |
Companies registered in SG10
Companies House lists 115 companies with a registered office in SG10; 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 SG10
- East Hertfordshire
- Hertfordshire
- Eastern
- Hadham Cross
- Much Hadham
- Perry Green
- South-end
- Green Tye
- Kettle Green
Roads filed under SG10
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.
- Ash Meadow
- Bourne Lane
- Broadfield Close
- Broadfield Way
- Bromley Lane
- Brook Lane
- Centenary Close
- Church Lane
- Cox Lane
- Dane Bridge Lane
- Danebridge Road
- Ducketts Lane
- Ferndale
- Frederick Court
- High Street
- Higley Close
- Kettle Green Road
- Larkins Lane
- Laureldene
- Luxford Close
- Malting Lane
- Millers View
- Moor Place Park
- New Barns Lane
- Oudle Lane
- Stansted Hill
- Station Road
- The Square
- Tower Hill
- Upper Crackney Lane
- Walnut Close
- Warren Place
- Widford Road
- Winding Hill
- Windmill Way
- B1004
Check an address in SG10
The same road list through the API, from the outward code alone:
curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=SG10" \ -H "Authorization: Bearer $SPAW_KEY"
Common questions about SG10
- What does an SG10 postcode tell you?
- That the address lies in the SG10 district of the SG (Stevenage) postcode area, and the place OS Open Names most often lists first for its postcodes is East Hertfordshire. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 108 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 SG10
- SG115.2 km
- CM216.1 km
- CM236.3 km
- SG127.4 km
- CM208.2 km
- CM928.7 km
- CM179.5 km
- CM199.8 km
- CM1810.4 km
- CM2410.5 km
- CM2210.7 km
- EN1110.8 km
- Every district
- How a British address is written
- Check any address
distance between the districts' centroids
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