SL9 postcode area
The SL9 postcode district spans 7 neighbourhoods (MSOAs) in Buckinghamshire, Three Rivers. Area Scores range from 52 to 97 across them.
In summary
There is a sharp split within the SL9 district: Chalfont St Giles, Seer Green & Jordans scores 98 out of 100 (#163 of 6,856 nationally) while Mill End, Heronsgate & Maple Cross sits at 52 — neighbours on the map, 45 points apart on the index. 5 of the 7 rank in the least-deprived third of England; none falls in the most-deprived third. House prices stretch as far as the scores do: medians run from £465,000 in Mill End, Heronsgate & Maple Cross to £1,260,000 in Gerrards Cross — a 2.7× gap within the SL9 district. Note that the district straddles 2 local authorities — Buckinghamshire and Three Rivers — so its neighbourhoods answer to different councils.
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Chalfont St Giles, Seer Green & JordansBuckinghamshire | 163 | 98 | £790,000 |
| Chalfont St Peter WestBuckinghamshire | 259 | 96 | £805,000 |
| Gerrards CrossBuckinghamshire | 265 | 96 | £1,260,000 |
| Chalfont Common & St Peter EastBuckinghamshire | 272 | 96 | £775,000 |
| Farnham & HedgerleyBuckinghamshire | 978 | 86 | £700,000 |
| DenhamBuckinghamshire | 2,541 | 63 | £546,500 |
| Mill End, Heronsgate & Maple CrossThree Rivers | 3,275 | 52 | £465,000 |
Nearby areas
Postcode districts around SL9.
A postcode district overlaps several neighbourhoods, so figures are shown per neighbourhood rather than as a single postcode average — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.