SM4 6 postcode sector in the SM4 district
SM4 6 is a sector of the SM4 district: every postcode that starts SM4 6. It has 211 postcodes in use, 2 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.
Not sure what a sector is? UK postcode format explained.
Every postcode in the SM4 6 sector, by gigabit broadband
- No home or business can get gigabit: 8
- Some can get gigabit: 15
- Every home and business can get gigabit: 187
- Ofcom gives no figure: 1
Of the 211 postcodes in the SM4 6 sector that ONS places, 8 have no home or business that can get gigabit, 15 have some that can, 187 can all get it and 1 have no Ofcom figure.
Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Names in italics are council wards: we hold no town or village names here.
Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre.
What do homes sell for in SM4 6?
Homes in SM4 6 sold for a typical £450,000 in the 12 months to September 2026, across 81 sales, HM Land Registry's figures show. The 12 months before gave £460,000 from 117 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached 1 sale, too few to price
- Semi-detached £600,000 13 sales
- Terraced £470,000 46 sales
- Flat or maisonette £270,000 21 sales
Each bar is that kind's typical price, against the most expensive kind here.
Standard sales of homes at market value at the postcodes that start SM4 6. A typical price is the median, the middle sale, given from 5 sales or more.
How we work this out: house prices by postcodeSource: HM Land Registry Price Paid Data, files dated 28 October 2026.
Postcodes in SM4 6
Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.
Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.
Other sectors in SM4
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Where the facts on this page come from
- Office for National Statistics: ONS Postcode Directory
- Ofcom Connected Nations
- HM Land Registry Price Paid Data
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
Licence: Open Government Licence v3.0.
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