SL1 6 postcode sector in the SL1 district

SL1 6 is a sector of the SL1 district: every postcode that starts SL1 6. It has 123 postcodes in use, 4 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 SL1 6 sector, by gigabit broadband

Map of every postcode in the SL1 6 sector, by gigabit broadband Of the 123 postcodes in the SL1 6 sector that ONS places, 3 have no home or business that can get gigabit, 6 have some that can, 111 can all get it and 3 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Haymill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SL1 6FB: no Ofcom figureSL1 6LZ: no Ofcom figureSL1 6AA: gigabit for allSL1 6AB: gigabit for allSL1 6AE: gigabit for allSL1 6AF: gigabit for allSL1 6AG: gigabit for allSL1 6AH: gigabit for allSL1 6AJ: gigabit for allSL1 6AL: gigabit for allSL1 6AN: gigabit for allSL1 6AQ: gigabit for allSL1 6AR: gigabit for allSL1 6AS: gigabit for allSL1 6AT: gigabit for allSL1 6AU: gigabit for allSL1 6AW: gigabit for allSL1 6AX: gigabit for allSL1 6AY: gigabit for allSL1 6AZ: gigabit for allSL1 6BB: gigabit for allSL1 6BD: gigabit for allSL1 6BW: gigabit for allSL1 6DD: gigabit for allSL1 6DN: gigabit for allSL1 6DP: gigabit for allSL1 6DQ: gigabit for allSL1 6DR: gigabit for allSL1 6DS: gigabit for allSL1 6DT: gigabit for allSL1 6DU: gigabit for allSL1 6DW: gigabit for allSL1 6DX: gigabit for allSL1 6DY: gigabit for allSL1 6EA: gigabit for allSL1 6EB: gigabit for allSL1 6ED: gigabit for allSL1 6EE: gigabit for allSL1 6EF: gigabit for allSL1 6EG: gigabit for allSL1 6EH: gigabit for allSL1 6EJ: gigabit for allSL1 6EL: gigabit for allSL1 6EN: gigabit for allSL1 6EP: gigabit for allSL1 6EQ: gigabit for allSL1 6ER: gigabit for allSL1 6ES: gigabit for allSL1 6ET: gigabit for allSL1 6EU: gigabit for allSL1 6EX: gigabit for allSL1 6EY: gigabit for allSL1 6FA: gigabit for allSL1 6FD: gigabit for allSL1 6FE: gigabit for allSL1 6HA: gigabit for allSL1 6HB: gigabit for allSL1 6HD: gigabit for allSL1 6HE: gigabit for allSL1 6HF: gigabit for allSL1 6HG: gigabit for allSL1 6HH: gigabit for allSL1 6HJ: gigabit for allSL1 6HN: gigabit for allSL1 6HP: gigabit for allSL1 6HQ: gigabit for allSL1 6HS: gigabit for allSL1 6HT: gigabit for allSL1 6HW: gigabit for allSL1 6JE: gigabit for allSL1 6JF: gigabit for allSL1 6JH: gigabit for allSL1 6JL: gigabit for allSL1 6JP: gigabit for allSL1 6JR: gigabit for allSL1 6JS: gigabit for allSL1 6JT: gigabit for allSL1 6JU: gigabit for allSL1 6JX: gigabit for allSL1 6JY: gigabit for allSL1 6JZ: gigabit for allSL1 6LA: gigabit for allSL1 6LB: gigabit for allSL1 6LD: gigabit for allSL1 6LE: gigabit for allSL1 6LG: gigabit for allSL1 6LH: gigabit for allSL1 6LJ: gigabit for allSL1 6LP: gigabit for allSL1 6LS: gigabit for allSL1 6LT: gigabit for allSL1 6LX: gigabit for allSL1 6LY: gigabit for allSL1 6NA: gigabit for allSL1 6NB: gigabit for allSL1 6ND: gigabit for allSL1 6NE: gigabit for allSL1 6NF: gigabit for allSL1 6NG: gigabit for allSL1 6NH: gigabit for allSL1 6NJ: gigabit for allSL1 6NL: gigabit for allSL1 6NN: gigabit for allSL1 6NQ: gigabit for allSL1 6NW: gigabit for allSL1 6PA: gigabit for allSL1 6PB: gigabit for allSL1 6PD: gigabit for allSL1 6PE: gigabit for allSL1 6PF: gigabit for allSL1 6PG: gigabit for allSL1 6PP: gigabit for allSL1 6PQ: gigabit for allSL1 6DA: some gigabitSL1 6EZ: some gigabitSL1 6JA: some gigabitSL1 6JD: some gigabitSL1 6JJ: some gigabitSL1 6JN: some gigabitSL1 6FF: no gigabitSL1 6JB: no gigabitSL1 6LL: no gigabit Haymill Map of every postcode in the SL1 6 sector, by gigabit broadband Of the 123 postcodes in the SL1 6 sector that ONS places, 3 have no home or business that can get gigabit, 6 have some that can, 111 can all get it and 3 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Haymill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Haymill
  • No home or business can get gigabit: 3
  • Some can get gigabit: 6
  • Every home and business can get gigabit: 111
  • Ofcom gives no figure: 3

Of the 123 postcodes in the SL1 6 sector that ONS places, 3 have no home or business that can get gigabit, 6 have some that can, 111 can all get it and 3 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. 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

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.

What do homes sell for in SL1 6?

Homes in SL1 6 sold for a typical £400,000 in the 12 months to September 2026, across 60 sales, HM Land Registry's figures show. The 12 months before gave £325,000 from 83 sales: not a change larger than chance would explain, given which homes happened to sell.

£400,000 typical price, the 12 months to September 2026
£325,000 12 months to September 2025
  • Detached £622,500 8 sales
  • Semi-detached £493,000 15 sales
  • Terraced £425,000 15 sales
  • Flat or maisonette £233,000 22 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 SL1 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 October 2026.

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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