WD3 6 postcode sector in the WD3 district

WD3 6 is a sector of the WD3 district: every postcode that starts WD3 6. It has 69 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 WD3 6 sector, by flood risk

Map of every postcode in the WD3 6 sector, by flood risk Of the 69 postcodes in the WD3 6 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 66 are not on the Environment Agency's at-risk list. Places named: Chorleywood North & Sarratt, Chalfont St Giles & Little Chalfont. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M25A404 WD3 6AA: not on the flood risk listWD3 6AB: not on the flood risk listWD3 6AD: not on the flood risk listWD3 6AE: not on the flood risk listWD3 6AF: not on the flood risk listWD3 6AH: not on the flood risk listWD3 6AJ: not on the flood risk listWD3 6AL: not on the flood risk listWD3 6AN: not on the flood risk listWD3 6AP: not on the flood risk listWD3 6AQ: not on the flood risk listWD3 6AR: not on the flood risk listWD3 6AS: not on the flood risk listWD3 6AT: not on the flood risk listWD3 6AU: not on the flood risk listWD3 6AW: not on the flood risk listWD3 6AX: not on the flood risk listWD3 6AY: not on the flood risk listWD3 6AZ: not on the flood risk listWD3 6BA: not on the flood risk listWD3 6BB: not on the flood risk listWD3 6BD: not on the flood risk listWD3 6BG: not on the flood risk listWD3 6BH: not on the flood risk listWD3 6BJ: not on the flood risk listWD3 6BL: not on the flood risk listWD3 6BN: not on the flood risk listWD3 6BP: not on the flood risk listWD3 6BQ: not on the flood risk listWD3 6BR: not on the flood risk listWD3 6BS: not on the flood risk listWD3 6BU: not on the flood risk listWD3 6BW: not on the flood risk listWD3 6BX: not on the flood risk listWD3 6BZ: not on the flood risk listWD3 6DA: not on the flood risk listWD3 6DB: not on the flood risk listWD3 6DD: not on the flood risk listWD3 6DL: not on the flood risk listWD3 6DN: not on the flood risk listWD3 6DP: not on the flood risk listWD3 6EA: not on the flood risk listWD3 6EB: not on the flood risk listWD3 6ED: not on the flood risk listWD3 6EE: not on the flood risk listWD3 6EG: not on the flood risk listWD3 6EH: not on the flood risk listWD3 6EJ: not on the flood risk listWD3 6EL: not on the flood risk listWD3 6EN: not on the flood risk listWD3 6EP: not on the flood risk listWD3 6EQ: not on the flood risk listWD3 6ER: not on the flood risk listWD3 6ES: not on the flood risk listWD3 6ET: not on the flood risk listWD3 6EW: not on the flood risk listWD3 6EX: not on the flood risk listWD3 6EY: not on the flood risk listWD3 6FA: not on the flood risk listWD3 6HD: not on the flood risk listWD3 6HE: not on the flood risk listWD3 6HH: not on the flood risk listWD3 6HJ: not on the flood risk listWD3 6HL: not on the flood risk listWD3 6HN: not on the flood risk listWD3 6EU: low flood risk at worstWD3 6HB: low flood risk at worstWD3 6HA: high flood risk Chorleywood North & SarrattChalfont St Giles & Little Chalfont Map of every postcode in the WD3 6 sector, by flood risk Of the 69 postcodes in the WD3 6 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 66 are not on the Environment Agency's at-risk list. Places named: Chorleywood North & Sarratt, Chalfont St Giles & Little Chalfont. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Chorleywood North & SarrattChalfont St Giles & Little Chalfont
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 66

Of the 69 postcodes in the WD3 6 sector that ONS places, 1 have a home or business at high risk, 2 are at low risk at worst and 66 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

WD3 6HA2 at high risk

What do homes sell for in WD3 6?

Homes in WD3 6 sold for a typical £795,688 in the 12 months to August 2026, across 15 sales, up 2.9% on the 12 months before, HM Land Registry's figures show.

£795,688 typical price, the 12 months to August 2026
£773,000 12 months to August 2025
▲ up 2.9% on the 12 months before
  • Detached £1,075,000 7 sales
  • Semi-detached £520,000 7 sales
  • Flat or maisonette 1 sale, 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 WD3 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

Postcodes in WD3 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.

WD3 6AAWD3 6ABWD3 6ADWD3 6AEWD3 6AFWD3 6AHWD3 6AJWD3 6ALWD3 6ANWD3 6APWD3 6AQWD3 6ARWD3 6ASWD3 6ATWD3 6AUWD3 6AWWD3 6AXWD3 6AYWD3 6AZWD3 6BAWD3 6BBWD3 6BDWD3 6BGWD3 6BHWD3 6BJWD3 6BLWD3 6BNWD3 6BPWD3 6BQWD3 6BRWD3 6BSWD3 6BUWD3 6BWWD3 6BXWD3 6BYWD3 6BZWD3 6DAWD3 6DBWD3 6DDWD3 6DLWD3 6DNWD3 6DPWD3 6EAWD3 6EBWD3 6EDWD3 6EEWD3 6EGWD3 6EHWD3 6EJWD3 6ELWD3 6ENWD3 6EPWD3 6EQWD3 6ERWD3 6ESWD3 6ETWD3 6EUWD3 6EWWD3 6EXWD3 6EYWD3 6FAWD3 6HAWD3 6HBWD3 6HDWD3 6HEWD3 6HHWD3 6HJWD3 6HLWD3 6HN

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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