SL2 4 postcode sector in the SL2 district

SL2 4 is a sector of the SL2 district: every postcode that starts SL2 4. It has 173 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 SL2 4 sector, by gigabit broadband

Map of every postcode in the SL2 4 sector, by gigabit broadband Of the 173 postcodes in the SL2 4 sector that ONS places, 14 have no home or business that can get gigabit, 29 have some that can, 126 can all get it and 4 have no Ofcom figure. Places named: Slough, Farnham Common and Farnham Royal, Stoke Poges. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M40 SL2 4XJ: no Ofcom figureSL2 4AB: gigabit for allSL2 4AD: gigabit for allSL2 4AE: gigabit for allSL2 4AG: gigabit for allSL2 4AH: gigabit for allSL2 4AJ: gigabit for allSL2 4AN: gigabit for allSL2 4AQ: gigabit for allSL2 4AT: gigabit for allSL2 4AU: gigabit for allSL2 4AX: gigabit for allSL2 4BA: gigabit for allSL2 4BB: gigabit for allSL2 4BD: gigabit for allSL2 4BG: gigabit for allSL2 4BH: gigabit for allSL2 4BP: gigabit for allSL2 4BQ: gigabit for allSL2 4BS: gigabit for allSL2 4BT: gigabit for allSL2 4BU: gigabit for allSL2 4BW: gigabit for allSL2 4BX: gigabit for allSL2 4BY: gigabit for allSL2 4DA: gigabit for allSL2 4DD: gigabit for allSL2 4DF: gigabit for allSL2 4DG: gigabit for allSL2 4DN: gigabit for allSL2 4DP: gigabit for allSL2 4DQ: gigabit for allSL2 4DR: gigabit for allSL2 4DS: gigabit for allSL2 4DW: gigabit for allSL2 4DX: gigabit for allSL2 4DY: gigabit for allSL2 4EA: gigabit for allSL2 4EE: gigabit for allSL2 4EF: gigabit for allSL2 4EJ: gigabit for allSL2 4EL: gigabit for allSL2 4EP: gigabit for allSL2 4ER: gigabit for allSL2 4ET: gigabit for allSL2 4EU: gigabit for allSL2 4EW: gigabit for allSL2 4EX: gigabit for allSL2 4EY: gigabit for allSL2 4EZ: gigabit for allSL2 4FA: gigabit for allSL2 4FB: gigabit for allSL2 4FF: gigabit for allSL2 4FH: gigabit for allSL2 4FJ: gigabit for allSL2 4FL: gigabit for allSL2 4FN: gigabit for allSL2 4FP: gigabit for allSL2 4FQ: gigabit for allSL2 4FR: gigabit for allSL2 4GA: gigabit for allSL2 4GB: gigabit for allSL2 4GD: gigabit for allSL2 4GE: gigabit for allSL2 4GF: gigabit for allSL2 4GG: gigabit for allSL2 4GQ: gigabit for allSL2 4HA: gigabit for allSL2 4HE: gigabit for allSL2 4HF: gigabit for allSL2 4HH: gigabit for allSL2 4HJ: gigabit for allSL2 4HN: gigabit for allSL2 4HP: gigabit for allSL2 4HQ: gigabit for allSL2 4HR: gigabit for allSL2 4HT: gigabit for allSL2 4HZ: gigabit for allSL2 4JD: gigabit for allSL2 4JF: gigabit for allSL2 4JG: gigabit for allSL2 4JH: gigabit for allSL2 4JJ: gigabit for allSL2 4JP: gigabit for allSL2 4JQ: gigabit for allSL2 4JR: gigabit for allSL2 4JX: gigabit for allSL2 4LD: gigabit for allSL2 4LE: gigabit for allSL2 4LJ: gigabit for allSL2 4LL: gigabit for allSL2 4LQ: gigabit for allSL2 4LR: gigabit for allSL2 4LT: gigabit for allSL2 4LX: gigabit for allSL2 4NA: gigabit for allSL2 4ND: gigabit for allSL2 4NE: gigabit for allSL2 4NJ: gigabit for allSL2 4NL: gigabit for allSL2 4NT: gigabit for allSL2 4PA: gigabit for allSL2 4PB: gigabit for allSL2 4PD: gigabit for allSL2 4PE: gigabit for allSL2 4PH: gigabit for allSL2 4PJ: gigabit for allSL2 4PP: gigabit for allSL2 4PS: gigabit for allSL2 4PT: gigabit for allSL2 4PU: gigabit for allSL2 4PW: gigabit for allSL2 4PY: gigabit for allSL2 4PZ: gigabit for allSL2 4QB: gigabit for allSL2 4QE: gigabit for allSL2 4QF: gigabit for allSL2 4QG: gigabit for allSL2 4QJ: gigabit for allSL2 4QL: gigabit for allSL2 4QS: gigabit for allSL2 4QT: gigabit for allSL2 4QX: gigabit for allSL2 4AS: some gigabitSL2 4BN: some gigabitSL2 4BZ: some gigabitSL2 4DE: some gigabitSL2 4DH: some gigabitSL2 4EB: some gigabitSL2 4EG: some gigabitSL2 4ES: some gigabitSL2 4HX: some gigabitSL2 4HY: some gigabitSL2 4JT: some gigabitSL2 4JW: some gigabitSL2 4LF: some gigabitSL2 4LG: some gigabitSL2 4LH: some gigabitSL2 4LN: some gigabitSL2 4LP: some gigabitSL2 4LU: some gigabitSL2 4LZ: some gigabitSL2 4NB: some gigabitSL2 4NN: some gigabitSL2 4NP: some gigabitSL2 4NZ: some gigabitSL2 4PG: some gigabitSL2 4PX: some gigabitSL2 4QA: some gigabitSL2 4QN: some gigabitSL2 4QR: some gigabitSL2 4LW: some gigabitSL2 4AF: no gigabitSL2 4AL: no gigabitSL2 4AP: no gigabitSL2 4AR: no gigabitSL2 4AY: no gigabitSL2 4AZ: no gigabitSL2 4EH: no gigabitSL2 4FE: no gigabitSL2 4HD: no gigabitSL2 4HL: no gigabitSL2 4JS: no gigabitSL2 4LS: no gigabitSL2 4NU: no gigabitSL2 4QU: no gigabit SloughFarnham Common and Farnham RoyalStoke Poges Map of every postcode in the SL2 4 sector, by gigabit broadband Of the 173 postcodes in the SL2 4 sector that ONS places, 14 have no home or business that can get gigabit, 29 have some that can, 126 can all get it and 4 have no Ofcom figure. Places named: Slough, Farnham Common and Farnham Royal, Stoke Poges. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A412M40A4 SloughFarnham Common and Farnham RoyalStoke Poges
  • No home or business can get gigabit: 14
  • Some can get gigabit: 29
  • Every home and business can get gigabit: 126
  • Ofcom gives no figure: 4

Of the 173 postcodes in the SL2 4 sector that ONS places, 14 have no home or business that can get gigabit, 29 have some that can, 126 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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

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

14 postcodes here have no gigabit. These are the 12 first in postcode order.

What do homes sell for in SL2 4?

Homes in SL2 4 sold for a typical £615,000 in the 12 months to September 2026, across 58 sales, HM Land Registry's figures show. The 12 months before gave £562,500 from 72 sales: not a change larger than chance would explain, given which homes happened to sell.

£615,000 typical price, the 12 months to September 2026
£562,500 12 months to September 2025
  • Detached £1,045,000 18 sales
  • Semi-detached £615,000 25 sales
  • Terraced 2 sales, too few to price
  • Flat or maisonette £297,500 13 sales

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 SL2 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 SL2 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.

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.

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Where the facts on this page come from

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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