Postcode SE3
Blackheath +2 · Greater London, England
SE3 is the postcode of Blackheath, Blackheath Park, Kidbrooke in Greater London, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- SE3
- County
- Greater London
- Country
- England
- Country
- United Kingdom
3 places with postcode SE3
| Place | County | Location |
|---|---|---|
| Blackheath | Greater London | 51.465, 0.008 |
| Blackheath Park | Greater London | 51.466, 0.018 |
| Kidbrooke | Greater London | 51.467, 0.027 |
Near London
The nearest major city is London, about 11 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SE3?
Blackheath, Blackheath Park, Kidbrooke.
Which county and country is SE3 in?
Greater London, England, United Kingdom.
What is the nearest major city to SE3?
London, about 11 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.