WS1 4 postcode sector in the WS1 district

WS1 4 is a sector of the WS1 district: every postcode that starts WS1 4. It has 124 postcodes in use, 7 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 WS1 4 sector, by flood risk

Map of every postcode in the WS1 4 sector, by flood risk Of the 124 postcodes in the WS1 4 sector that ONS places, 2 have a home or business at high risk, 12 are at medium risk at worst, 5 are at low risk at worst, 4 are at very low risk only and 101 are not on the Environment Agency's at-risk list. Places named: Palfrey & The Delves. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M6A4031 WS1 4AA: not on the flood risk listWS1 4AB: not on the flood risk listWS1 4AE: not on the flood risk listWS1 4AF: not on the flood risk listWS1 4AH: not on the flood risk listWS1 4AJ: not on the flood risk listWS1 4AL: not on the flood risk listWS1 4AN: not on the flood risk listWS1 4AP: not on the flood risk listWS1 4AQ: not on the flood risk listWS1 4AR: not on the flood risk listWS1 4AS: not on the flood risk listWS1 4AT: not on the flood risk listWS1 4AU: not on the flood risk listWS1 4AW: not on the flood risk listWS1 4AX: not on the flood risk listWS1 4AY: not on the flood risk listWS1 4AZ: not on the flood risk listWS1 4BA: not on the flood risk listWS1 4BB: not on the flood risk listWS1 4BD: not on the flood risk listWS1 4BE: not on the flood risk listWS1 4BF: not on the flood risk listWS1 4BG: not on the flood risk listWS1 4BJ: not on the flood risk listWS1 4BP: not on the flood risk listWS1 4BQ: not on the flood risk listWS1 4BT: not on the flood risk listWS1 4BU: not on the flood risk listWS1 4BW: not on the flood risk listWS1 4BX: not on the flood risk listWS1 4BY: not on the flood risk listWS1 4BZ: not on the flood risk listWS1 4DA: not on the flood risk listWS1 4DB: not on the flood risk listWS1 4DD: not on the flood risk listWS1 4DE: not on the flood risk listWS1 4DP: not on the flood risk listWS1 4DR: not on the flood risk listWS1 4DS: not on the flood risk listWS1 4DT: not on the flood risk listWS1 4DU: not on the flood risk listWS1 4DX: not on the flood risk listWS1 4DY: not on the flood risk listWS1 4DZ: not on the flood risk listWS1 4EA: not on the flood risk listWS1 4EB: not on the flood risk listWS1 4ED: not on the flood risk listWS1 4EE: not on the flood risk listWS1 4EF: not on the flood risk listWS1 4EH: not on the flood risk listWS1 4EJ: not on the flood risk listWS1 4EQ: not on the flood risk listWS1 4EW: not on the flood risk listWS1 4EZ: not on the flood risk listWS1 4HD: not on the flood risk listWS1 4HE: not on the flood risk listWS1 4HF: not on the flood risk listWS1 4HG: not on the flood risk listWS1 4HH: not on the flood risk listWS1 4HJ: not on the flood risk listWS1 4HL: not on the flood risk listWS1 4HN: not on the flood risk listWS1 4HQ: not on the flood risk listWS1 4HS: not on the flood risk listWS1 4HU: not on the flood risk listWS1 4HW: not on the flood risk listWS1 4HX: not on the flood risk listWS1 4HY: not on the flood risk listWS1 4HZ: not on the flood risk listWS1 4JA: not on the flood risk listWS1 4JB: not on the flood risk listWS1 4JD: not on the flood risk listWS1 4JL: not on the flood risk listWS1 4JS: not on the flood risk listWS1 4JT: not on the flood risk listWS1 4JX: not on the flood risk listWS1 4JY: not on the flood risk listWS1 4JZ: not on the flood risk listWS1 4LA: not on the flood risk listWS1 4LB: not on the flood risk listWS1 4LD: not on the flood risk listWS1 4LE: not on the flood risk listWS1 4LF: not on the flood risk listWS1 4LG: not on the flood risk listWS1 4LH: not on the flood risk listWS1 4LJ: not on the flood risk listWS1 4LL: not on the flood risk listWS1 4LN: not on the flood risk listWS1 4LQ: not on the flood risk listWS1 4LS: not on the flood risk listWS1 4LW: not on the flood risk listWS1 4LY: not on the flood risk listWS1 4LZ: not on the flood risk listWS1 4NA: not on the flood risk listWS1 4NB: not on the flood risk listWS1 4NL: not on the flood risk listWS1 4NR: not on the flood risk listWS1 4NS: not on the flood risk listWS1 4NW: not on the flood risk listWS1 4PA: not on the flood risk listWS1 4PB: very low flood risk onlyWS1 4SA: very low flood risk onlyWS1 4SD: very low flood risk onlyWS1 4SE: very low flood risk onlyWS1 4DW: low flood risk at worstWS1 4JQ: low flood risk at worstWS1 4JW: low flood risk at worstWS1 4LT: low flood risk at worstWS1 4NX: low flood risk at worstWS1 4AG: medium flood risk at worstWS1 4DH: medium flood risk at worstWS1 4DJ: medium flood risk at worstWS1 4DN: medium flood risk at worstWS1 4DQ: medium flood risk at worstWS1 4JG: medium flood risk at worstWS1 4JJ: medium flood risk at worstWS1 4LR: medium flood risk at worstWS1 4ND: medium flood risk at worstWS1 4NG: medium flood risk at worstWS1 4NU: medium flood risk at worstWS1 4SB: medium flood risk at worstWS1 4JH: high flood riskWS1 4NN: high flood risk Palfrey & The Delves Map of every postcode in the WS1 4 sector, by flood risk Of the 124 postcodes in the WS1 4 sector that ONS places, 2 have a home or business at high risk, 12 are at medium risk at worst, 5 are at low risk at worst, 4 are at very low risk only and 101 are not on the Environment Agency's at-risk list. Places named: Palfrey & The Delves. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4031 Palfrey & The Delves
  • A home or business at high risk: 2
  • At medium risk at worst: 12
  • At low risk at worst: 5
  • At very low risk only: 4
  • Not on the at-risk list: 101

Of the 124 postcodes in the WS1 4 sector that ONS places, 2 have a home or business at high risk, 12 are at medium risk at worst, 5 are at low risk at worst, 4 are at very low risk only and 101 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

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 WS1 4?

Homes in WS1 4 sold for a typical £170,000 in the 12 months to August 2026, across 33 sales, up 3% on the 12 months before, HM Land Registry's figures show.

£170,000 typical price, the 12 months to August 2026
£165,000 12 months to August 2025
▲ up 3% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £286,000 5 sales
  • Terraced £167,500 25 sales
  • Flat or maisonette 2 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 WS1 4. 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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