Open data
for Great Britain
UPRN lookupIndependent website

Independent website, not GeoPlace or Ordnance Survey. Open data, explained. Details

SG4 postcode district: UPRN lookup

UPRNs nearest to a postcode in this district19,518
Postcodes898
UPRNs per postcode21.7
CouncilsNorth Hertfordshire (19,503), Welwyn Hatfield (15)
Median distance to the postcode centre38 m
Average house price, North Hertfordshire£422,835 (2026-08, UK HPI)

Example UPRNs

Nearest postcode districts