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, and which are new since 2020

Map of every postcode in the SL1 6 sector, by new since 2020 Of the 123 postcodes in the SL1 6 sector that ONS places, 2 are new since 2020 and 121 were in use before 2020. 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 6AA: before 2020SL1 6AB: before 2020SL1 6AE: before 2020SL1 6AF: before 2020SL1 6AG: before 2020SL1 6AH: before 2020SL1 6AJ: before 2020SL1 6AL: before 2020SL1 6AN: before 2020SL1 6AQ: before 2020SL1 6AR: before 2020SL1 6AS: before 2020SL1 6AT: before 2020SL1 6AU: before 2020SL1 6AW: before 2020SL1 6AX: before 2020SL1 6AY: before 2020SL1 6AZ: before 2020SL1 6BB: before 2020SL1 6BD: before 2020SL1 6BW: before 2020SL1 6DA: before 2020SL1 6DD: before 2020SL1 6DN: before 2020SL1 6DP: before 2020SL1 6DQ: before 2020SL1 6DR: before 2020SL1 6DS: before 2020SL1 6DT: before 2020SL1 6DU: before 2020SL1 6DW: before 2020SL1 6DX: before 2020SL1 6DY: before 2020SL1 6EA: before 2020SL1 6EB: before 2020SL1 6ED: before 2020SL1 6EE: before 2020SL1 6EF: before 2020SL1 6EG: before 2020SL1 6EH: before 2020SL1 6EJ: before 2020SL1 6EL: before 2020SL1 6EN: before 2020SL1 6EP: before 2020SL1 6EQ: before 2020SL1 6ER: before 2020SL1 6ES: before 2020SL1 6ET: before 2020SL1 6EU: before 2020SL1 6EX: before 2020SL1 6EY: before 2020SL1 6EZ: before 2020SL1 6FA: before 2020SL1 6FD: before 2020SL1 6FE: before 2020SL1 6HA: before 2020SL1 6HB: before 2020SL1 6HD: before 2020SL1 6HE: before 2020SL1 6HF: before 2020SL1 6HG: before 2020SL1 6HH: before 2020SL1 6HJ: before 2020SL1 6HN: before 2020SL1 6HP: before 2020SL1 6HQ: before 2020SL1 6HS: before 2020SL1 6HT: before 2020SL1 6HW: before 2020SL1 6JA: before 2020SL1 6JB: before 2020SL1 6JD: before 2020SL1 6JE: before 2020SL1 6JF: before 2020SL1 6JH: before 2020SL1 6JJ: before 2020SL1 6JL: before 2020SL1 6JN: before 2020SL1 6JP: before 2020SL1 6JR: before 2020SL1 6JS: before 2020SL1 6JT: before 2020SL1 6JU: before 2020SL1 6JX: before 2020SL1 6JY: before 2020SL1 6JZ: before 2020SL1 6LA: before 2020SL1 6LB: before 2020SL1 6LD: before 2020SL1 6LE: before 2020SL1 6LG: before 2020SL1 6LH: before 2020SL1 6LJ: before 2020SL1 6LL: before 2020SL1 6LP: before 2020SL1 6LS: before 2020SL1 6LT: before 2020SL1 6LX: before 2020SL1 6LY: before 2020SL1 6LZ: before 2020SL1 6NA: before 2020SL1 6NB: before 2020SL1 6ND: before 2020SL1 6NE: before 2020SL1 6NF: before 2020SL1 6NG: before 2020SL1 6NH: before 2020SL1 6NJ: before 2020SL1 6NL: before 2020SL1 6NN: before 2020SL1 6NQ: before 2020SL1 6NW: before 2020SL1 6PA: before 2020SL1 6PB: before 2020SL1 6PD: before 2020SL1 6PE: before 2020SL1 6PF: before 2020SL1 6PG: before 2020SL1 6PP: before 2020SL1 6PQ: before 2020SL1 6FB: new since 2020SL1 6FF: new since 2020 Haymill Map of every postcode in the SL1 6 sector, by new since 2020 Of the 123 postcodes in the SL1 6 sector that ONS places, 2 are new since 2020 and 121 were in use before 2020. 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
  • New since 2020: 2
  • In use before 2020: 121

Of the 123 postcodes in the SL1 6 sector that ONS places, 2 are new since 2020 and 121 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 2 newest postcodes

SL1 6FBFebruary 2024SL1 6FFMarch 2023

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.

SL1 6YJ

What do homes sell for in SL1 6?

Homes in SL1 6 sold for a typical £402,500 in the 12 months to August 2026, across 64 sales, up 25.2% on the 12 months before, HM Land Registry's figures show.

£402,500 typical price, the 12 months to August 2026
£321,500 12 months to August 2025
▲ up 25.2% on the 12 months before
  • Detached £632,500 10 sales
  • Semi-detached £492,750 16 sales
  • Terraced £426,500 16 sales
  • Flat or maisonette £228,000 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 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

Postcodes in SL1 6

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.

SL1 6AASL1 6ABSL1 6AESL1 6AFSL1 6AGSL1 6AHSL1 6AJSL1 6ALSL1 6ANSL1 6AQSL1 6ARSL1 6ASSL1 6ATSL1 6AUSL1 6AWSL1 6AXSL1 6AYSL1 6AZSL1 6BBSL1 6BDSL1 6BWSL1 6DASL1 6DDSL1 6DNSL1 6DPSL1 6DQSL1 6DRSL1 6DSSL1 6DTSL1 6DUSL1 6DWSL1 6DXSL1 6DYSL1 6EASL1 6EBSL1 6EDSL1 6EESL1 6EFSL1 6EGSL1 6EHSL1 6EJSL1 6ELSL1 6ENSL1 6EPSL1 6EQSL1 6ERSL1 6ESSL1 6ETSL1 6EUSL1 6EXSL1 6EYSL1 6EZSL1 6FASL1 6FBSL1 6FDSL1 6FESL1 6FFSL1 6HASL1 6HBSL1 6HDSL1 6HESL1 6HFSL1 6HGSL1 6HHSL1 6HJSL1 6HNSL1 6HPSL1 6HQSL1 6HSSL1 6HTSL1 6HWSL1 6JASL1 6JBSL1 6JDSL1 6JESL1 6JFSL1 6JHSL1 6JJSL1 6JLSL1 6JNSL1 6JPSL1 6JRSL1 6JSSL1 6JTSL1 6JUSL1 6JXSL1 6JYSL1 6JZSL1 6LASL1 6LBSL1 6LDSL1 6LESL1 6LGSL1 6LHSL1 6LJSL1 6LLSL1 6LPSL1 6LSSL1 6LTSL1 6LXSL1 6LYSL1 6LZSL1 6NASL1 6NBSL1 6NDSL1 6NESL1 6NFSL1 6NGSL1 6NHSL1 6NJSL1 6NLSL1 6NNSL1 6NQSL1 6NWSL1 6PASL1 6PBSL1 6PDSL1 6PESL1 6PFSL1 6PGSL1 6PPSL1 6PQSL1 6YJ

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

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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