KT18 6 postcode sector in the KT18 district

KT18 6 is a sector of the KT18 district: every postcode that starts KT18 6. It has 99 postcodes in use, one of them a large-user postcode. 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 KT18 6 sector, by flood risk

Map of every postcode in the KT18 6 sector, by flood risk Of the 99 postcodes in the KT18 6 sector that ONS places, 99 are not on the Environment Agency's at-risk list. Places named: Brockham, Betchworth, Buckland, Box Hill & Headley, Woodcote & Langley Vale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M25 KT18 6AA: not on the flood risk listKT18 6AB: not on the flood risk listKT18 6AD: not on the flood risk listKT18 6AE: not on the flood risk listKT18 6AG: not on the flood risk listKT18 6AH: not on the flood risk listKT18 6AJ: not on the flood risk listKT18 6AL: not on the flood risk listKT18 6AN: not on the flood risk listKT18 6AP: not on the flood risk listKT18 6AR: not on the flood risk listKT18 6AW: not on the flood risk listKT18 6BB: not on the flood risk listKT18 6BH: not on the flood risk listKT18 6BL: not on the flood risk listKT18 6BS: not on the flood risk listKT18 6BW: not on the flood risk listKT18 6BX: not on the flood risk listKT18 6BZ: not on the flood risk listKT18 6DF: not on the flood risk listKT18 6DH: not on the flood risk listKT18 6DL: not on the flood risk listKT18 6DP: not on the flood risk listKT18 6DT: not on the flood risk listKT18 6DY: not on the flood risk listKT18 6DZ: not on the flood risk listKT18 6EA: not on the flood risk listKT18 6EE: not on the flood risk listKT18 6EG: not on the flood risk listKT18 6EH: not on the flood risk listKT18 6EN: not on the flood risk listKT18 6EP: not on the flood risk listKT18 6ET: not on the flood risk listKT18 6HA: not on the flood risk listKT18 6HB: not on the flood risk listKT18 6HD: not on the flood risk listKT18 6HE: not on the flood risk listKT18 6HF: not on the flood risk listKT18 6HG: not on the flood risk listKT18 6HH: not on the flood risk listKT18 6HJ: not on the flood risk listKT18 6HL: not on the flood risk listKT18 6HN: not on the flood risk listKT18 6HP: not on the flood risk listKT18 6HQ: not on the flood risk listKT18 6HR: not on the flood risk listKT18 6HS: not on the flood risk listKT18 6HU: not on the flood risk listKT18 6HW: not on the flood risk listKT18 6HX: not on the flood risk listKT18 6HY: not on the flood risk listKT18 6JB: not on the flood risk listKT18 6JF: not on the flood risk listKT18 6JG: not on the flood risk listKT18 6JH: not on the flood risk listKT18 6JL: not on the flood risk listKT18 6JQ: not on the flood risk listKT18 6JS: not on the flood risk listKT18 6JU: not on the flood risk listKT18 6JX: not on the flood risk listKT18 6JZ: not on the flood risk listKT18 6LB: not on the flood risk listKT18 6LD: not on the flood risk listKT18 6LE: not on the flood risk listKT18 6LG: not on the flood risk listKT18 6LJ: not on the flood risk listKT18 6LP: not on the flood risk listKT18 6LQ: not on the flood risk listKT18 6LR: not on the flood risk listKT18 6LS: not on the flood risk listKT18 6LU: not on the flood risk listKT18 6LW: not on the flood risk listKT18 6LX: not on the flood risk listKT18 6LY: not on the flood risk listKT18 6LZ: not on the flood risk listKT18 6NA: not on the flood risk listKT18 6ND: not on the flood risk listKT18 6NE: not on the flood risk listKT18 6NJ: not on the flood risk listKT18 6NN: not on the flood risk listKT18 6NQ: not on the flood risk listKT18 6NR: not on the flood risk listKT18 6NT: not on the flood risk listKT18 6NX: not on the flood risk listKT18 6NZ: not on the flood risk listKT18 6PA: not on the flood risk listKT18 6PD: not on the flood risk listKT18 6PF: not on the flood risk listKT18 6PG: not on the flood risk listKT18 6PJ: not on the flood risk listKT18 6PN: not on the flood risk listKT18 6PP: not on the flood risk listKT18 6PS: not on the flood risk listKT18 6PU: not on the flood risk listKT18 6PY: not on the flood risk listKT18 6PZ: not on the flood risk listKT18 6QA: not on the flood risk list Brockham, Betchworth, Buckland, Box Hill & HeadleyWoodcote & Langley Vale Map of every postcode in the KT18 6 sector, by flood risk Of the 99 postcodes in the KT18 6 sector that ONS places, 99 are not on the Environment Agency's at-risk list. Places named: Brockham, Betchworth, Buckland, Box Hill & Headley, Woodcote & Langley Vale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M25 Brockham, Betchworth,Buckland, Box Hill & HeadleyWoodcote & Langley Vale
  • 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: 99

Of the 99 postcodes in the KT18 6 sector that ONS places, 99 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. Where marks overlap, the one first in the key is drawn; the counts include every postcode. 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 KT18 6?

Homes in KT18 6 sold for a typical £618,750 in the 12 months to August 2026, across 32 sales, down 1.4% on the 12 months before, HM Land Registry's figures show.

£618,750 typical price, the 12 months to August 2026
£627,500 12 months to August 2025
▼ down 1.4% on the 12 months before
  • Detached £713,500 16 sales
  • Semi-detached £576,000 11 sales
  • Terraced 1 sale, too few to price
  • Flat or maisonette 4 sales, too few to price

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 KT18 6. 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

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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