NW4 4 is a postcode sector within the NW4 postcode district which is within the NW London - NW postcode area.
The Royal Mail delivery office for the NW4 4 postal sector is the Hendon Sdelivery Office.
The area of the NW4 4 postcode sector is 0.62 square miles which is 1.62 square kilometres or 399.50 square acres.
In the year 2017 there were 84 house sales in the NW4 4 with the average house price being £574,704.
The NW4 4 postcode sector is crossed by a railway.
| N | W | 4 | - | 4 | X | X |
| N | W | 4 | Space | 4 | Letter | Letter |
| The NW4 4 Sector is within these Local Authorities |
| The NW4 4 Sector is within these Counties |
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The NW4 4 Sector is within these Water Company Areas |
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