Top 10 least expensive London postcodes
| 1 | DA18 | Erith Marshes | Bexley | £251,079 |
| 2 | RM20 | West Thurrock | Thurrock | £265,912 |
| 3 | RM19 | Purfleet | Thurrock | £266,285 |
| 4 | RM18 | Tilbury | Thurrock | £297,699 |
| 5 | SE28 | Thamesmead | Greenwich | £309,909 |
| 6 | TW6 | Heathrow | Hillingdon | £311,983 |
| 7 | RM17 | Grays | Thurrock | £312,768 |
| 8 | DA11 | Gravesend | Gravesham | £329,210 |
| 9 | DA1 | Dartford | Dartford | £336,090 |
| 10 | DA8 | Erith | Bexley | £347,495 |
