SL1 9 postcode sector in the SL1 district

SL1 9 is a sector of the SL1 district: every postcode that starts SL1 9. It has 57 postcodes in use, 2 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 9 sector, by gigabit broadband

Map of every postcode in the SL1 9 sector, by gigabit broadband Of the 57 postcodes in the SL1 9 sector that ONS places, 1 have no home or business that can get gigabit, 55 can all get it and 1 have no Ofcom figure. Places named: Cippenham Manor. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M4 SL1 9EB: no Ofcom figureSL1 9AA: gigabit for allSL1 9AB: gigabit for allSL1 9AD: gigabit for allSL1 9AF: gigabit for allSL1 9AG: gigabit for allSL1 9AH: gigabit for allSL1 9AJ: gigabit for allSL1 9AN: gigabit for allSL1 9AP: gigabit for allSL1 9AQ: gigabit for allSL1 9AR: gigabit for allSL1 9AS: gigabit for allSL1 9AT: gigabit for allSL1 9AW: gigabit for allSL1 9BA: gigabit for allSL1 9BB: gigabit for allSL1 9BD: gigabit for allSL1 9BE: gigabit for allSL1 9BG: gigabit for allSL1 9BH: gigabit for allSL1 9BJ: gigabit for allSL1 9BN: gigabit for allSL1 9BQ: gigabit for allSL1 9BW: gigabit for allSL1 9DA: gigabit for allSL1 9DB: gigabit for allSL1 9DD: gigabit for allSL1 9DE: gigabit for allSL1 9DJ: gigabit for allSL1 9DL: gigabit for allSL1 9DN: gigabit for allSL1 9DT: gigabit for allSL1 9DU: gigabit for allSL1 9DW: gigabit for allSL1 9DX: gigabit for allSL1 9DY: gigabit for allSL1 9DZ: gigabit for allSL1 9HA: gigabit for allSL1 9HB: gigabit for allSL1 9HD: gigabit for allSL1 9HE: gigabit for allSL1 9HJ: gigabit for allSL1 9HL: gigabit for allSL1 9HN: gigabit for allSL1 9HW: gigabit for allSL1 9JA: gigabit for allSL1 9JB: gigabit for allSL1 9JF: gigabit for allSL1 9JL: gigabit for allSL1 9JX: gigabit for allSL1 9JY: gigabit for allSL1 9JZ: gigabit for allSL1 9LA: gigabit for allSL1 9LB: gigabit for allSL1 9LD: gigabit for allSL1 9EA: no gigabit Cippenham Manor Map of every postcode in the SL1 9 sector, by gigabit broadband Of the 57 postcodes in the SL1 9 sector that ONS places, 1 have no home or business that can get gigabit, 55 can all get it and 1 have no Ofcom figure. Places named: Cippenham Manor. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M4 Cippenham Manor
  • No home or business can get gigabit: 1
  • Some can get gigabit: 0
  • Every home and business can get gigabit: 55
  • Ofcom gives no figure: 1

Of the 57 postcodes in the SL1 9 sector that ONS places, 1 have no home or business that can get gigabit, 55 can all get it and 1 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. 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

SL1 9EA

What do homes sell for in SL1 9?

Homes in SL1 9 sold for a typical £295,000 in the 12 months to September 2026, across 27 sales, HM Land Registry's figures show. The 12 months before gave £365,000 from 49 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£295,000 typical price, the 12 months to September 2026
£365,000 12 months to September 2025
  • Detached 1 sale, too few to price
  • Semi-detached £380,000 5 sales
  • Terraced £351,250 10 sales
  • Flat or maisonette £170,000 11 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 9. 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 SL1 9

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 9AASL1 9ABSL1 9ADSL1 9AFSL1 9AGSL1 9AHSL1 9AJSL1 9ANSL1 9APSL1 9AQSL1 9ARSL1 9ASSL1 9ATSL1 9AWSL1 9BASL1 9BBSL1 9BDSL1 9BESL1 9BGSL1 9BHSL1 9BJSL1 9BNSL1 9BQSL1 9BWSL1 9DASL1 9DBSL1 9DDSL1 9DESL1 9DJSL1 9DLSL1 9DNSL1 9DTSL1 9DUSL1 9DWSL1 9DXSL1 9DYSL1 9DZSL1 9EASL1 9EBSL1 9HASL1 9HBSL1 9HDSL1 9HESL1 9HJSL1 9HLSL1 9HNSL1 9HWSL1 9JASL1 9JBSL1 9JFSL1 9JLSL1 9JXSL1 9JYSL1 9JZSL1 9LASL1 9LBSL1 9LD

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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