SL1 8 postcode sector in the SL1 district

SL1 8 is a sector of the SL1 district: every postcode that starts SL1 8. It has 162 postcodes in use, 5 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 8 sector, by flood risk

Map of every postcode in the SL1 8 sector, by flood risk Of the 162 postcodes in the SL1 8 sector that ONS places, 162 are not on the Environment Agency's at-risk list. 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. M4M40 SL1 8AA: not on the flood risk listSL1 8AB: not on the flood risk listSL1 8AD: not on the flood risk listSL1 8AE: not on the flood risk listSL1 8AF: not on the flood risk listSL1 8AG: not on the flood risk listSL1 8AH: not on the flood risk listSL1 8AJ: not on the flood risk listSL1 8AL: not on the flood risk listSL1 8AN: not on the flood risk listSL1 8AP: not on the flood risk listSL1 8AQ: not on the flood risk listSL1 8AR: not on the flood risk listSL1 8AS: not on the flood risk listSL1 8AT: not on the flood risk listSL1 8AU: not on the flood risk listSL1 8AW: not on the flood risk listSL1 8AX: not on the flood risk listSL1 8AY: not on the flood risk listSL1 8AZ: not on the flood risk listSL1 8BA: not on the flood risk listSL1 8BD: not on the flood risk listSL1 8BE: not on the flood risk listSL1 8BF: not on the flood risk listSL1 8BN: not on the flood risk listSL1 8BQ: not on the flood risk listSL1 8BS: not on the flood risk listSL1 8BT: not on the flood risk listSL1 8BU: not on the flood risk listSL1 8BW: not on the flood risk listSL1 8BX: not on the flood risk listSL1 8BY: not on the flood risk listSL1 8BZ: not on the flood risk listSL1 8DD: not on the flood risk listSL1 8DE: not on the flood risk listSL1 8DF: not on the flood risk listSL1 8DG: not on the flood risk listSL1 8DH: not on the flood risk listSL1 8DL: not on the flood risk listSL1 8DN: not on the flood risk listSL1 8DP: not on the flood risk listSL1 8DR: not on the flood risk listSL1 8DS: not on the flood risk listSL1 8DT: not on the flood risk listSL1 8DU: not on the flood risk listSL1 8DW: not on the flood risk listSL1 8DX: not on the flood risk listSL1 8DY: not on the flood risk listSL1 8DZ: not on the flood risk listSL1 8EA: not on the flood risk listSL1 8EB: not on the flood risk listSL1 8ED: not on the flood risk listSL1 8EE: not on the flood risk listSL1 8EG: not on the flood risk listSL1 8EH: not on the flood risk listSL1 8EJ: not on the flood risk listSL1 8EL: not on the flood risk listSL1 8EN: not on the flood risk listSL1 8EQ: not on the flood risk listSL1 8ET: not on the flood risk listSL1 8EZ: not on the flood risk listSL1 8FA: not on the flood risk listSL1 8FD: not on the flood risk listSL1 8FG: not on the flood risk listSL1 8FH: not on the flood risk listSL1 8FJ: not on the flood risk listSL1 8FL: not on the flood risk listSL1 8HA: not on the flood risk listSL1 8HB: not on the flood risk listSL1 8HD: not on the flood risk listSL1 8HE: not on the flood risk listSL1 8HF: not on the flood risk listSL1 8HG: not on the flood risk listSL1 8HH: not on the flood risk listSL1 8HJ: not on the flood risk listSL1 8HL: not on the flood risk listSL1 8HN: not on the flood risk listSL1 8HP: not on the flood risk listSL1 8HQ: not on the flood risk listSL1 8HR: not on the flood risk listSL1 8HS: not on the flood risk listSL1 8HU: not on the flood risk listSL1 8HW: not on the flood risk listSL1 8JD: not on the flood risk listSL1 8JE: not on the flood risk listSL1 8JF: not on the flood risk listSL1 8JG: not on the flood risk listSL1 8JH: not on the flood risk listSL1 8JJ: not on the flood risk listSL1 8JN: not on the flood risk listSL1 8JP: not on the flood risk listSL1 8JQ: not on the flood risk listSL1 8JR: not on the flood risk listSL1 8JT: not on the flood risk listSL1 8JU: not on the flood risk listSL1 8JW: not on the flood risk listSL1 8JX: not on the flood risk listSL1 8JY: not on the flood risk listSL1 8JZ: not on the flood risk listSL1 8LA: not on the flood risk listSL1 8LB: not on the flood risk listSL1 8LD: not on the flood risk listSL1 8LE: not on the flood risk listSL1 8LF: not on the flood risk listSL1 8LG: not on the flood risk listSL1 8LJ: not on the flood risk listSL1 8LN: not on the flood risk listSL1 8LP: not on the flood risk listSL1 8LQ: not on the flood risk listSL1 8LR: not on the flood risk listSL1 8LS: not on the flood risk listSL1 8LT: not on the flood risk listSL1 8LW: not on the flood risk listSL1 8NB: not on the flood risk listSL1 8ND: not on the flood risk listSL1 8NE: not on the flood risk listSL1 8NF: not on the flood risk listSL1 8NH: not on the flood risk listSL1 8NJ: not on the flood risk listSL1 8NN: not on the flood risk listSL1 8NP: not on the flood risk listSL1 8NR: not on the flood risk listSL1 8NS: not on the flood risk listSL1 8NT: not on the flood risk listSL1 8NU: not on the flood risk listSL1 8NX: not on the flood risk listSL1 8NY: not on the flood risk listSL1 8NZ: not on the flood risk listSL1 8PD: not on the flood risk listSL1 8PE: not on the flood risk listSL1 8PF: not on the flood risk listSL1 8PG: not on the flood risk listSL1 8PH: not on the flood risk listSL1 8PJ: not on the flood risk listSL1 8PL: not on the flood risk listSL1 8PN: not on the flood risk listSL1 8PP: not on the flood risk listSL1 8PQ: not on the flood risk listSL1 8PR: not on the flood risk listSL1 8PS: not on the flood risk listSL1 8PT: not on the flood risk listSL1 8PU: not on the flood risk listSL1 8PW: not on the flood risk listSL1 8PX: not on the flood risk listSL1 8PY: not on the flood risk listSL1 8PZ: not on the flood risk listSL1 8QA: not on the flood risk listSL1 8QB: not on the flood risk listSL1 8QD: not on the flood risk listSL1 8QE: not on the flood risk listSL1 8QG: not on the flood risk listSL1 8ZN: not on the flood risk list SloughFarnham Common and Farnham RoyalStoke Poges Map of every postcode in the SL1 8 sector, by flood risk Of the 162 postcodes in the SL1 8 sector that ONS places, 162 are not on the Environment Agency's at-risk list. Places named: Slough, Stoke Poges. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A355A4M4 SloughStoke Poges
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 162

Of the 162 postcodes in the SL1 8 sector that ONS places, 162 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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

What do homes sell for in SL1 8?

Homes in SL1 8 sold for a typical £745,750 in the 12 months to August 2026, across 30 sales, up 29.7% on the 12 months before, HM Land Registry's figures show.

£745,750 typical price, the 12 months to August 2026
£575,000 12 months to August 2025
▲ up 29.7% on the 12 months before
  • Detached £862,500 18 sales
  • Semi-detached £500,000 5 sales
  • Terraced 3 sales, too few to price
  • Flat or maisonette 4 sales, too few to price

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 8. 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 8

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 8AASL1 8ABSL1 8ADSL1 8AESL1 8AFSL1 8AGSL1 8AHSL1 8AJSL1 8ALSL1 8ANSL1 8APSL1 8AQSL1 8ARSL1 8ASSL1 8ATSL1 8AUSL1 8AWSL1 8AXSL1 8AYSL1 8AZSL1 8BASL1 8BDSL1 8BESL1 8BFSL1 8BGSL1 8BHSL1 8BNSL1 8BQSL1 8BSSL1 8BTSL1 8BUSL1 8BWSL1 8BXSL1 8BYSL1 8BZSL1 8DASL1 8DDSL1 8DESL1 8DFSL1 8DGSL1 8DHSL1 8DLSL1 8DNSL1 8DPSL1 8DRSL1 8DSSL1 8DTSL1 8DUSL1 8DWSL1 8DXSL1 8DYSL1 8DZSL1 8EASL1 8EBSL1 8EDSL1 8EESL1 8EGSL1 8EHSL1 8EJSL1 8ELSL1 8ENSL1 8EQSL1 8ETSL1 8EZSL1 8FASL1 8FBSL1 8FDSL1 8FFSL1 8FGSL1 8FHSL1 8FJSL1 8FLSL1 8HASL1 8HBSL1 8HDSL1 8HESL1 8HFSL1 8HGSL1 8HHSL1 8HJSL1 8HLSL1 8HNSL1 8HPSL1 8HQSL1 8HRSL1 8HSSL1 8HTSL1 8HUSL1 8HWSL1 8HXSL1 8JDSL1 8JESL1 8JFSL1 8JGSL1 8JHSL1 8JJSL1 8JNSL1 8JPSL1 8JQSL1 8JRSL1 8JTSL1 8JUSL1 8JWSL1 8JXSL1 8JYSL1 8JZSL1 8LASL1 8LBSL1 8LDSL1 8LESL1 8LFSL1 8LGSL1 8LHSL1 8LJSL1 8LNSL1 8LPSL1 8LQSL1 8LRSL1 8LSSL1 8LTSL1 8LWSL1 8NBSL1 8NDSL1 8NESL1 8NFSL1 8NHSL1 8NJSL1 8NNSL1 8NPSL1 8NRSL1 8NSSL1 8NTSL1 8NUSL1 8NWSL1 8NXSL1 8NYSL1 8NZSL1 8PASL1 8PDSL1 8PESL1 8PFSL1 8PGSL1 8PHSL1 8PJSL1 8PLSL1 8PNSL1 8PPSL1 8PQSL1 8PRSL1 8PSSL1 8PTSL1 8PUSL1 8PWSL1 8PXSL1 8PYSL1 8PZSL1 8QASL1 8QBSL1 8QDSL1 8QESL1 8QGSL1 8ZN

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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