SM3 8 postcode sector in the SM3 district

SM3 8 is a sector of the SM3 district: every postcode that starts SM3 8. It has 161 postcodes in use, 3 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 SM3 8 sector, by flood risk

Map of every postcode in the SM3 8 sector, by flood risk Of the 161 postcodes in the SM3 8 sector that ONS places, 161 are not on the Environment Agency's at-risk list. Places named: Cheam, North Cheam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A217 SM3 8AA: not on the flood risk listSM3 8AB: not on the flood risk listSM3 8AD: not on the flood risk listSM3 8AE: not on the flood risk listSM3 8AF: not on the flood risk listSM3 8AG: not on the flood risk listSM3 8AH: not on the flood risk listSM3 8AJ: not on the flood risk listSM3 8AL: not on the flood risk listSM3 8AN: not on the flood risk listSM3 8AP: not on the flood risk listSM3 8AQ: not on the flood risk listSM3 8AR: not on the flood risk listSM3 8AS: not on the flood risk listSM3 8AU: not on the flood risk listSM3 8AW: not on the flood risk listSM3 8AY: not on the flood risk listSM3 8AZ: not on the flood risk listSM3 8BD: not on the flood risk listSM3 8BH: not on the flood risk listSM3 8BL: not on the flood risk listSM3 8BN: not on the flood risk listSM3 8BS: not on the flood risk listSM3 8BU: not on the flood risk listSM3 8BW: not on the flood risk listSM3 8BZ: not on the flood risk listSM3 8DD: not on the flood risk listSM3 8DE: not on the flood risk listSM3 8DF: not on the flood risk listSM3 8DH: not on the flood risk listSM3 8DJ: not on the flood risk listSM3 8DL: not on the flood risk listSM3 8DN: not on the flood risk listSM3 8DP: not on the flood risk listSM3 8DR: not on the flood risk listSM3 8DT: not on the flood risk listSM3 8DU: not on the flood risk listSM3 8DW: not on the flood risk listSM3 8DX: not on the flood risk listSM3 8DY: not on the flood risk listSM3 8DZ: not on the flood risk listSM3 8EA: not on the flood risk listSM3 8EB: not on the flood risk listSM3 8ED: not on the flood risk listSM3 8EE: not on the flood risk listSM3 8EF: not on the flood risk listSM3 8EG: not on the flood risk listSM3 8EJ: not on the flood risk listSM3 8EL: not on the flood risk listSM3 8EN: not on the flood risk listSM3 8EP: not on the flood risk listSM3 8EQ: not on the flood risk listSM3 8ER: not on the flood risk listSM3 8ES: not on the flood risk listSM3 8ET: not on the flood risk listSM3 8HA: not on the flood risk listSM3 8HB: not on the flood risk listSM3 8HD: not on the flood risk listSM3 8HE: not on the flood risk listSM3 8HF: not on the flood risk listSM3 8HG: not on the flood risk listSM3 8HH: not on the flood risk listSM3 8HJ: not on the flood risk listSM3 8HL: not on the flood risk listSM3 8HQ: not on the flood risk listSM3 8HW: not on the flood risk listSM3 8HX: not on the flood risk listSM3 8JB: not on the flood risk listSM3 8JD: not on the flood risk listSM3 8JE: not on the flood risk listSM3 8JF: not on the flood risk listSM3 8JG: not on the flood risk listSM3 8JH: not on the flood risk listSM3 8JL: not on the flood risk listSM3 8JN: not on the flood risk listSM3 8JR: not on the flood risk listSM3 8JW: not on the flood risk listSM3 8JZ: not on the flood risk listSM3 8LA: not on the flood risk listSM3 8LB: not on the flood risk listSM3 8LE: not on the flood risk listSM3 8LF: not on the flood risk listSM3 8LJ: not on the flood risk listSM3 8LL: not on the flood risk listSM3 8LN: not on the flood risk listSM3 8LP: not on the flood risk listSM3 8LR: not on the flood risk listSM3 8LT: not on the flood risk listSM3 8LU: not on the flood risk listSM3 8LW: not on the flood risk listSM3 8LX: not on the flood risk listSM3 8LY: not on the flood risk listSM3 8NA: not on the flood risk listSM3 8NE: not on the flood risk listSM3 8NF: not on the flood risk listSM3 8NG: not on the flood risk listSM3 8NH: not on the flood risk listSM3 8NN: not on the flood risk listSM3 8NP: not on the flood risk listSM3 8NQ: not on the flood risk listSM3 8NR: not on the flood risk listSM3 8NU: not on the flood risk listSM3 8NW: not on the flood risk listSM3 8NX: not on the flood risk listSM3 8NY: not on the flood risk listSM3 8NZ: not on the flood risk listSM3 8PA: not on the flood risk listSM3 8PB: not on the flood risk listSM3 8PD: not on the flood risk listSM3 8PH: not on the flood risk listSM3 8PJ: not on the flood risk listSM3 8PL: not on the flood risk listSM3 8PN: not on the flood risk listSM3 8PQ: not on the flood risk listSM3 8PR: not on the flood risk listSM3 8PS: not on the flood risk listSM3 8PT: not on the flood risk listSM3 8PU: not on the flood risk listSM3 8PW: not on the flood risk listSM3 8PX: not on the flood risk listSM3 8PY: not on the flood risk listSM3 8PZ: not on the flood risk listSM3 8QA: not on the flood risk listSM3 8QB: not on the flood risk listSM3 8QD: not on the flood risk listSM3 8QF: not on the flood risk listSM3 8QG: not on the flood risk listSM3 8QH: not on the flood risk listSM3 8QJ: not on the flood risk listSM3 8QN: not on the flood risk listSM3 8QP: not on the flood risk listSM3 8QR: not on the flood risk listSM3 8QS: not on the flood risk listSM3 8QT: not on the flood risk listSM3 8QU: not on the flood risk listSM3 8QW: not on the flood risk listSM3 8QY: not on the flood risk listSM3 8QZ: not on the flood risk listSM3 8RA: not on the flood risk listSM3 8RE: not on the flood risk listSM3 8RF: not on the flood risk listSM3 8RJ: not on the flood risk listSM3 8RL: not on the flood risk listSM3 8RQ: not on the flood risk listSM3 8RS: not on the flood risk listSM3 8RT: not on the flood risk listSM3 8RU: not on the flood risk listSM3 8RW: not on the flood risk listSM3 8RX: not on the flood risk listSM3 8RY: not on the flood risk listSM3 8RZ: not on the flood risk listSM3 8SA: not on the flood risk listSM3 8SD: not on the flood risk listSM3 8SG: not on the flood risk listSM3 8SH: not on the flood risk listSM3 8SL: not on the flood risk listSM3 8SN: not on the flood risk listSM3 8SP: not on the flood risk listSM3 8SQ: not on the flood risk listSM3 8SR: not on the flood risk listSM3 8SW: not on the flood risk list CheamNorth Cheam Map of every postcode in the SM3 8 sector, by flood risk Of the 161 postcodes in the SM3 8 sector that ONS places, 161 are not on the Environment Agency's at-risk list. Places named: Cheam, North Cheam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A217 CheamNorth Cheam
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 161

Of the 161 postcodes in the SM3 8 sector that ONS places, 161 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: 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. How we use them

What do homes sell for in SM3 8?

Homes in SM3 8 sold for a typical £543,475 in the 12 months to August 2026, across 70 sales, down 0.3% on the 12 months before, HM Land Registry's figures show.

£543,475 typical price, the 12 months to August 2026
£545,000 12 months to August 2025
▼ down 0.3% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £677,500 23 sales
  • Terraced £559,500 25 sales
  • Flat or maisonette £356,000 20 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 SM3 8. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in SM3 8

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: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.