SW Postcode Area for the South West London Region

A wide range of spatial data has been analysed to present this overview. If you would like anything added, please contact us.

This section of the site is all about the SW Postcode area, also known as the South West London Postal Area. Explore links to the next level to learn more about specific postcode districts such as SW10.

Map of the SW London Postcode

Map of The SW London Postcode
Terrain Map of the SW London Postcode.
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Map of the SW South West London Postcode Area

Explore the postcode area by using our interactive map.


Quick Facts about the SW Postcode

SW Area Statistics
Width from East to West 7.84 mi
Height from North to South 8.32 mi
Area of SW 39.96 mi²
Maximum Width 9.21 mi
Perimeter of Postcode Area 51.77 mi
Number of Postcode Districts 28
Number of Postcode Sectors 137
Number of Post Towns 1
Number of Postcodes 19,962
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The SW postcode area represents a group of 27 postal districts in the South West London area of the United Kingdom. The area code stands for the letters s and w in South West London. The area has a population of 874,844 and covers an area of 102,329 hectares. Fun fact: 1.35% of the population of Great Britain lives in this area.

The postcode area falls within the following counties: Greater London (100.00%).

Where is the SW Postcode Area?

The South West London SW postcode area is in London Region of England.. The postal area borders the following neighbouring postal areas: CR - Croydon, SM - Sutton, KT - Kingston upon Thames, WC - London - WC, SE - London - SE, W - London - W and TW - Twickenham, It also borders The Tidal Thames,


Map Showing Location of the postcode area
Where is the postcode area?
A word cloud for the postcode area
A word cloud for the area

How built up is the Postcode Area?

I've calculated the total area covered by building footprints within the postcode area.
By analyzing this against the total area, I've determined the percentage of the area that's developed, this will give you an idea of how urban or rural the postcode region is.
The higher the percentage the more urban the area is. For example the least urban district is SW13 and the most urban is SW1H.

Building Area Summary
Postcode District Total Area (m²) Footprint Area (m²) Built Percentage %
SW13 3,845,476 553,116 14.38%
SW15 10,806,988 1,581,418 14.63%
SW20 5,900,885 962,397 16.31%
SW19 15,583,912 2,705,403 17.36%
SW14 3,112,044 591,576 19.01%
SW1A 1,192,887 250,177 20.97%
SW16 9,665,063 2,076,562 21.49%
SW18 6,797,486 1,754,622 25.81%
SW4 3,919,374 1,062,060 27.10%
SW11 5,791,331 1,590,228 27.46%
SW17 6,184,720 1,706,313 27.59%
SW8 3,425,402 956,859 27.93%
SW2 3,917,023 1,142,664 29.17%
SW9 2,929,292 892,925 30.48%
SW12 2,888,845 895,195 30.99%
SW6 5,250,711 1,739,175 33.12%
SW10 1,267,900 422,570 33.33%
SW5 771,913 299,140 38.75%
SW1V 1,081,544 429,714 39.73%
SW3 1,899,731 781,179 41.12%
SW1P 890,373 404,911 45.48%
SW7 1,637,405 761,169 46.49%
SW1W 812,582 401,351 49.39%
SW1X 795,473 416,140 52.31%
SW1E 196,188 112,160 57.17%
SW1Y 280,605 179,996 64.15%
SW1H 174,558 141,882 81.28%
Total 101,019,711 (m²) 24,810,902 (m²) 24.56%
Map of the SW Postcode Area

A map showing the boundary of SW in relation to other areas

Map of Posttowns in the SW
Map of Posttowns in the SW Postal Area
Area of the SW postcode area
Unit Area²
Hectares 102,329²
Miles 395²
Feet 11,014,591,231²
Kilometres 1,023²

Postal Delivery Offices Serving the Postcode Area

  • Balham S Delivery Office
  • Barnes S Delivery Office
  • Battersea S Delivery Office
  • Brixton S Delivery Office
  • Chelsea S Delivery Office
  • Clapham S Delivery Office
  • Earls Court S Delivery Office
  • Fulham S Delivery Office
  • Mortlake S Delivery Office
  • Putney S Delivery Office
  • South Kensington S Delivery Office
  • South Lambeth S Delivery Office
  • Stockwell S Delivery Office
  • Streatham S Delivery Office
  • Tooting S Delivery Office
  • Victoria
  • Wandsworth S Delivery Office
  • West Brompton S Delivery Office
  • West Wimbledon S Delivery Office
  • Wimbledon S Delivery Office

Tourist Attractions within the Area

Nearby Postcodes

Towns and Villages within the Area