SE6 3 postcode sector in the SE6 district

SE6 3 is a sector of the SE6 district: every postcode that starts SE6 3. It has 187 postcodes in use, 4 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 SE6 3 sector, by flood risk

Map of every postcode in the SE6 3 sector, by flood risk Of the 187 postcodes in the SE6 3 sector that ONS places, 9 are at medium risk at worst, 10 are at low risk at worst, 2 are at very low risk only and 166 are not on the Environment Agency's at-risk list. Places named: Bellingham, Catford South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A212A205 SE6 3AA: not on the flood risk listSE6 3AB: not on the flood risk listSE6 3AE: not on the flood risk listSE6 3AF: not on the flood risk listSE6 3AG: not on the flood risk listSE6 3AH: not on the flood risk listSE6 3AJ: not on the flood risk listSE6 3AL: not on the flood risk listSE6 3AP: not on the flood risk listSE6 3AQ: not on the flood risk listSE6 3AX: not on the flood risk listSE6 3BA: not on the flood risk listSE6 3BD: not on the flood risk listSE6 3BS: not on the flood risk listSE6 3BT: not on the flood risk listSE6 3BU: not on the flood risk listSE6 3BX: not on the flood risk listSE6 3DF: not on the flood risk listSE6 3DG: not on the flood risk listSE6 3DH: not on the flood risk listSE6 3DJ: not on the flood risk listSE6 3DL: not on the flood risk listSE6 3DN: not on the flood risk listSE6 3DP: not on the flood risk listSE6 3DQ: not on the flood risk listSE6 3DS: not on the flood risk listSE6 3DT: not on the flood risk listSE6 3DW: not on the flood risk listSE6 3DX: not on the flood risk listSE6 3EA: not on the flood risk listSE6 3EB: not on the flood risk listSE6 3ED: not on the flood risk listSE6 3EE: not on the flood risk listSE6 3EF: not on the flood risk listSE6 3EG: not on the flood risk listSE6 3EH: not on the flood risk listSE6 3EJ: not on the flood risk listSE6 3EL: not on the flood risk listSE6 3EN: not on the flood risk listSE6 3EP: not on the flood risk listSE6 3EQ: not on the flood risk listSE6 3ER: not on the flood risk listSE6 3ES: not on the flood risk listSE6 3ET: not on the flood risk listSE6 3EU: not on the flood risk listSE6 3EW: not on the flood risk listSE6 3HA: not on the flood risk listSE6 3HB: not on the flood risk listSE6 3HD: not on the flood risk listSE6 3HE: not on the flood risk listSE6 3HF: not on the flood risk listSE6 3HG: not on the flood risk listSE6 3HP: not on the flood risk listSE6 3HQ: not on the flood risk listSE6 3HR: not on the flood risk listSE6 3HS: not on the flood risk listSE6 3HT: not on the flood risk listSE6 3HU: not on the flood risk listSE6 3HX: not on the flood risk listSE6 3HY: not on the flood risk listSE6 3HZ: not on the flood risk listSE6 3JA: not on the flood risk listSE6 3JB: not on the flood risk listSE6 3JG: not on the flood risk listSE6 3JL: not on the flood risk listSE6 3JN: not on the flood risk listSE6 3JP: not on the flood risk listSE6 3JR: not on the flood risk listSE6 3JS: not on the flood risk listSE6 3JT: not on the flood risk listSE6 3JU: not on the flood risk listSE6 3JW: not on the flood risk listSE6 3JX: not on the flood risk listSE6 3JY: not on the flood risk listSE6 3JZ: not on the flood risk listSE6 3LA: not on the flood risk listSE6 3LB: not on the flood risk listSE6 3LD: not on the flood risk listSE6 3LE: not on the flood risk listSE6 3LL: not on the flood risk listSE6 3LN: not on the flood risk listSE6 3LP: not on the flood risk listSE6 3LR: not on the flood risk listSE6 3LS: not on the flood risk listSE6 3LT: not on the flood risk listSE6 3LU: not on the flood risk listSE6 3LW: not on the flood risk listSE6 3ND: not on the flood risk listSE6 3NE: not on the flood risk listSE6 3NF: not on the flood risk listSE6 3NJ: not on the flood risk listSE6 3NL: not on the flood risk listSE6 3NN: not on the flood risk listSE6 3NQ: not on the flood risk listSE6 3NR: not on the flood risk listSE6 3NS: not on the flood risk listSE6 3NT: not on the flood risk listSE6 3NU: not on the flood risk listSE6 3NW: not on the flood risk listSE6 3NX: not on the flood risk listSE6 3NY: not on the flood risk listSE6 3PP: not on the flood risk listSE6 3PU: not on the flood risk listSE6 3PW: not on the flood risk listSE6 3QA: not on the flood risk listSE6 3QB: not on the flood risk listSE6 3QD: not on the flood risk listSE6 3QE: not on the flood risk listSE6 3QF: not on the flood risk listSE6 3QH: not on the flood risk listSE6 3QJ: not on the flood risk listSE6 3QN: not on the flood risk listSE6 3QP: not on the flood risk listSE6 3QR: not on the flood risk listSE6 3QS: not on the flood risk listSE6 3QT: not on the flood risk listSE6 3QU: not on the flood risk listSE6 3QW: not on the flood risk listSE6 3QX: not on the flood risk listSE6 3QY: not on the flood risk listSE6 3RD: not on the flood risk listSE6 3RF: not on the flood risk listSE6 3RG: not on the flood risk listSE6 3RH: not on the flood risk listSE6 3RJ: not on the flood risk listSE6 3RL: not on the flood risk listSE6 3RN: not on the flood risk listSE6 3RP: not on the flood risk listSE6 3RQ: not on the flood risk listSE6 3RR: not on the flood risk listSE6 3RS: not on the flood risk listSE6 3RT: not on the flood risk listSE6 3RW: not on the flood risk listSE6 3SA: not on the flood risk listSE6 3SB: not on the flood risk listSE6 3SD: not on the flood risk listSE6 3SE: not on the flood risk listSE6 3SF: not on the flood risk listSE6 3SG: not on the flood risk listSE6 3SH: not on the flood risk listSE6 3SJ: not on the flood risk listSE6 3SL: not on the flood risk listSE6 3SN: not on the flood risk listSE6 3SP: not on the flood risk listSE6 3SQ: not on the flood risk listSE6 3SR: not on the flood risk listSE6 3SS: not on the flood risk listSE6 3ST: not on the flood risk listSE6 3SW: not on the flood risk listSE6 3SZ: not on the flood risk listSE6 3TA: not on the flood risk listSE6 3TB: not on the flood risk listSE6 3TD: not on the flood risk listSE6 3TE: not on the flood risk listSE6 3TF: not on the flood risk listSE6 3TG: not on the flood risk listSE6 3TH: not on the flood risk listSE6 3TJ: not on the flood risk listSE6 3TL: not on the flood risk listSE6 3TP: not on the flood risk listSE6 3TQ: not on the flood risk listSE6 3TR: not on the flood risk listSE6 3TS: not on the flood risk listSE6 3TT: not on the flood risk listSE6 3TW: not on the flood risk listSE6 3WG: not on the flood risk listSE6 3AY: very low flood risk onlySE6 3BB: very low flood risk onlySE6 3AT: low flood risk at worstSE6 3AU: low flood risk at worstSE6 3BE: low flood risk at worstSE6 3BG: low flood risk at worstSE6 3BJ: low flood risk at worstSE6 3DD: low flood risk at worstSE6 3DE: low flood risk at worstSE6 3JQ: low flood risk at worstSE6 3PN: low flood risk at worstSE6 3UW: low flood risk at worstSE6 3AS: medium flood risk at worstSE6 3AW: medium flood risk at worstSE6 3BH: medium flood risk at worstSE6 3BP: medium flood risk at worstSE6 3JH: medium flood risk at worstSE6 3NG: medium flood risk at worstSE6 3NH: medium flood risk at worstSE6 3PJ: medium flood risk at worstSE6 3PL: medium flood risk at worst BellinghamCatford South Map of every postcode in the SE6 3 sector, by flood risk Of the 187 postcodes in the SE6 3 sector that ONS places, 9 are at medium risk at worst, 10 are at low risk at worst, 2 are at very low risk only and 166 are not on the Environment Agency's at-risk list. Places named: Bellingham, Catford South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. BellinghamCatford South
  • A home or business at high risk: 0
  • At medium risk at worst: 9
  • At low risk at worst: 10
  • At very low risk only: 2
  • Not on the at-risk list: 166

Of the 187 postcodes in the SE6 3 sector that ONS places, 9 are at medium risk at worst, 10 are at low risk at worst, 2 are at very low risk only and 166 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 SE6 3?

Homes in SE6 3 sold for a typical £373,500 in the 12 months to August 2026, across 64 sales, down 11.9% on the 12 months before, HM Land Registry's figures show.

£373,500 typical price, the 12 months to August 2026
£424,000 12 months to August 2025
▼ down 11.9% on the 12 months before
  • Semi-detached £430,000 15 sales
  • Terraced £455,000 17 sales
  • Flat or maisonette £297,500 32 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 SE6 3. 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 SE6 3

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.

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