ST1 4 postcode sector in the ST1 district

ST1 4 is a sector of the ST1 district: every postcode that starts ST1 4. It has 125 postcodes in use, 6 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 ST1 4 sector, by gigabit broadband

No home or business can get gigabit: 11
Some can get gigabit: 12
Every home and business can get gigabit: 98
Ofcom gives no figure: 4
Outline: where 5 or more postcodes without gigabit lie together

Of the 125 postcodes in the ST1 4 sector that ONS places, 11 have no home or business that can get gigabit, 12 have some that can, 98 can all get it and 4 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

Postcodes without gigabit

ST1 4AF ST1 4AJ ST1 4FB ST1 4FD ST1 4FE ST1 4FF ST1 4HG ST1 4HL ST1 4LS ST1 4LX ST1 4NE

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

ST1 4RT

Where the postcodes without gigabit lie together

7 postcodes without gigabit, outlined on the map. ST1 4HG, is the one nearest the middle of them.

What do homes sell for in ST1 4?

Homes in ST1 4 sold for a typical £93,000 in the 12 months to September 2026, across 28 sales, HM Land Registry's figures show. The 12 months before gave £82,500 from 33 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£93,000 typical price, the 12 months to September 2026

£82,500 12 months to September 2025

Semi-detached 2 sales, too few to price
Terraced £91,000 25 sales
Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start ST1 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 October 2026.

Postcodes in ST1 4

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.

ST1 4AF ST1 4AG ST1 4AJ ST1 4AS ST1 4AU ST1 4AY ST1 4AZ ST1 4BA ST1 4BB ST1 4BD ST1 4BE ST1 4BF ST1 4BG ST1 4BH ST1 4BJ ST1 4BL ST1 4BN ST1 4BP ST1 4BQ ST1 4BS ST1 4BT ST1 4BW ST1 4BX ST1 4BY ST1 4BZ ST1 4DA ST1 4DB ST1 4DD ST1 4DE ST1 4DF ST1 4DG ST1 4DN ST1 4DP ST1 4DQ ST1 4DR ST1 4DT ST1 4DU ST1 4DW ST1 4DX ST1 4DY ST1 4DZ ST1 4EB ST1 4EJ ST1 4EP ST1 4EQ ST1 4EU ST1 4EW ST1 4EX ST1 4FA ST1 4FB ST1 4FD ST1 4FE ST1 4FF ST1 4HG ST1 4HL ST1 4HP ST1 4JA ST1 4JD ST1 4JG ST1 4JH ST1 4JJ ST1 4JP ST1 4JQ ST1 4JR ST1 4JS ST1 4JT ST1 4JU ST1 4JW ST1 4JX ST1 4JY ST1 4JZ ST1 4LA ST1 4LB ST1 4LD ST1 4LE ST1 4LF ST1 4LG ST1 4LH ST1 4LJ ST1 4LL ST1 4LN ST1 4LP ST1 4LQ ST1 4LR ST1 4LS ST1 4LT ST1 4LU ST1 4LW ST1 4LX ST1 4LY ST1 4NA ST1 4ND ST1 4NE ST1 4NF ST1 4NG ST1 4NH ST1 4NJ ST1 4NN ST1 4NP ST1 4NR ST1 4NS ST1 4NW ST1 4NX ST1 4NY ST1 4PB ST1 4PD ST1 4PL ST1 4PN ST1 4PP ST1 4PR ST1 4PS ST1 4PT ST1 4PU ST1 4PW ST1 4PX ST1 4PY ST1 4PZ ST1 4QA ST1 4QD ST1 4QS ST1 4QT ST1 4QY ST1 4RB ST1 4RD ST1 4RT

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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.

Other sectors in ST1

ST1 1 sector ST1 2 sector ST1 3 sector ST1 5 sector ST1 6 sector All of ST1 ST postcode area

Check a postcode

Where the facts on this page come from

Office for National Statistics: ONS Postcode Directory
Ofcom Connected Nations
HM Land Registry Price Paid Data

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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