HA4 grid reference

HA4 is a postcode district covering parts of Hillingdon, with 6 postcode sectors and 1,137 postcodes. Its centre point is at grid reference TQ 102 869. The nearest summit we list is Wendover Woods (Haddington Hill) (268 m), 30.6 km to the north-west.

Grid reference

TQ 102 869

6-figure
TQ 102 869
8-figure
TQ 1024 8691
10-figure
TQ 10246 86910
Lat/long
51.570292, -0.410679
Lat/long (DMS)
51° 34′ 13.1″ N 000° 24′ 38.4″ W
Eastings, northings
510246, 186910
Postcodes
1,137

Open in the converter

Map of HA4

This is the centre point of the HA4 district, worked out as the average position of all its postcodes. For an exact address, enter the full postcode in the converter.

Postcode sectors in HA4

Nearby postcode districts

  • HA53.2 km north-east · Harrow
  • HA23.4 km east · Harrow
  • UB103.7 km south-west · Hillingdon
  • UB53.8 km south-east · Ealing
  • HA64.7 km north · Hillingdon
  • UB44.9 km south · Hillingdon

Nearby summits