WD18 8 postcode sector in the WD18 district

WD18 8 is a sector of the WD18 district: every postcode that starts WD18 8. It has 63 postcodes in use, 9 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 WD18 8 sector, by flood risk

Map of every postcode in the WD18 8 sector, by flood risk Of the 63 postcodes in the WD18 8 sector that ONS places, 2 have a home or business at high risk and 61 are not on the Environment Agency's at-risk list. Places named: Holywell, Dickinsons. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A412A4145 WD18 8AD: not on the flood risk listWD18 8AG: not on the flood risk listWD18 8AJ: not on the flood risk listWD18 8AL: not on the flood risk listWD18 8AN: not on the flood risk listWD18 8AP: not on the flood risk listWD18 8AQ: not on the flood risk listWD18 8AR: not on the flood risk listWD18 8AS: not on the flood risk listWD18 8AT: not on the flood risk listWD18 8AU: not on the flood risk listWD18 8AW: not on the flood risk listWD18 8AX: not on the flood risk listWD18 8AY: not on the flood risk listWD18 8AZ: not on the flood risk listWD18 8BD: not on the flood risk listWD18 8BE: not on the flood risk listWD18 8BF: not on the flood risk listWD18 8FQ: not on the flood risk listWD18 8GA: not on the flood risk listWD18 8JA: not on the flood risk listWD18 8JB: not on the flood risk listWD18 8JF: not on the flood risk listWD18 8JG: not on the flood risk listWD18 8JU: not on the flood risk listWD18 8PH: not on the flood risk listWD18 8PX: not on the flood risk listWD18 8QU: not on the flood risk listWD18 8QZ: not on the flood risk listWD18 8RH: not on the flood risk listWD18 8RL: not on the flood risk listWD18 8SA: not on the flood risk listWD18 8TF: not on the flood risk listWD18 8UA: not on the flood risk listWD18 8UJ: not on the flood risk listWD18 8UW: not on the flood risk listWD18 8WH: not on the flood risk listWD18 8WJ: not on the flood risk listWD18 8WL: not on the flood risk listWD18 8WN: not on the flood risk listWD18 8WP: not on the flood risk listWD18 8WQ: not on the flood risk listWD18 8WR: not on the flood risk listWD18 8WS: not on the flood risk listWD18 8WW: not on the flood risk listWD18 8XN: not on the flood risk listWD18 8XU: not on the flood risk listWD18 8YA: not on the flood risk listWD18 8YB: not on the flood risk listWD18 8YE: not on the flood risk listWD18 8YF: not on the flood risk listWD18 8YG: not on the flood risk listWD18 8YH: not on the flood risk listWD18 8YN: not on the flood risk listWD18 8YS: not on the flood risk listWD18 8YU: not on the flood risk listWD18 8YW: not on the flood risk listWD18 8YX: not on the flood risk listWD18 8YZ: not on the flood risk listWD18 8SL: high flood riskWD18 8SN: high flood risk HolywellDickinsons Map of every postcode in the WD18 8 sector, by flood risk Of the 63 postcodes in the WD18 8 sector that ONS places, 2 have a home or business at high risk and 61 are not on the Environment Agency's at-risk list. Places named: Holywell, Dickinsons. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. HolywellDickinsons
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 61

Of the 63 postcodes in the WD18 8 sector that ONS places, 2 have a home or business at high risk and 61 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.

What do homes sell for in WD18 8?

Homes in WD18 8 sold for a typical £376,500 in the 12 months to August 2026, across 8 sales, down 0.9% on the 12 months before, HM Land Registry's figures show.

£376,500 typical price, the 12 months to August 2026
£380,000 12 months to August 2025
▼ down 0.9% on the 12 months before
  • Semi-detached 1 sale, too few to price
  • Terraced 3 sales, too few to price
  • Flat or maisonette 4 sales, too few to price

Standard sales of homes at market value at the postcodes that start WD18 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

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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