SL1 7 postcode sector in the SL1 district

SL1 7 is a sector of the SL1 district: every postcode that starts SL1 7. It has 127 postcodes in use, one of them a large-user postcode. 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 7 sector, by flood risk

Map of every postcode in the SL1 7 sector, by flood risk Of the 127 postcodes in the SL1 7 sector that ONS places, 3 have a home or business at high risk, 7 are at low risk at worst and 117 are not on the Environment Agency's at-risk list. Places named: Burnham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SL1 7AA: not on the flood risk listSL1 7AB: not on the flood risk listSL1 7AD: not on the flood risk listSL1 7AE: not on the flood risk listSL1 7AF: not on the flood risk listSL1 7AG: not on the flood risk listSL1 7AH: not on the flood risk listSL1 7AL: not on the flood risk listSL1 7AN: not on the flood risk listSL1 7AQ: not on the flood risk listSL1 7AR: not on the flood risk listSL1 7AS: not on the flood risk listSL1 7AT: not on the flood risk listSL1 7AU: not on the flood risk listSL1 7AW: not on the flood risk listSL1 7AX: not on the flood risk listSL1 7AY: not on the flood risk listSL1 7AZ: not on the flood risk listSL1 7BB: not on the flood risk listSL1 7BD: not on the flood risk listSL1 7BE: not on the flood risk listSL1 7BF: not on the flood risk listSL1 7BG: not on the flood risk listSL1 7BH: not on the flood risk listSL1 7BL: not on the flood risk listSL1 7BN: not on the flood risk listSL1 7BQ: not on the flood risk listSL1 7BW: not on the flood risk listSL1 7DA: not on the flood risk listSL1 7DB: not on the flood risk listSL1 7DD: not on the flood risk listSL1 7DE: not on the flood risk listSL1 7DF: not on the flood risk listSL1 7DG: not on the flood risk listSL1 7DH: not on the flood risk listSL1 7DJ: not on the flood risk listSL1 7DL: not on the flood risk listSL1 7DN: not on the flood risk listSL1 7DP: not on the flood risk listSL1 7DQ: not on the flood risk listSL1 7DR: not on the flood risk listSL1 7DS: not on the flood risk listSL1 7DT: not on the flood risk listSL1 7DU: not on the flood risk listSL1 7DW: not on the flood risk listSL1 7DX: not on the flood risk listSL1 7DY: not on the flood risk listSL1 7DZ: not on the flood risk listSL1 7EA: not on the flood risk listSL1 7EB: not on the flood risk listSL1 7ED: not on the flood risk listSL1 7EE: not on the flood risk listSL1 7EF: not on the flood risk listSL1 7EG: not on the flood risk listSL1 7EH: not on the flood risk listSL1 7EL: not on the flood risk listSL1 7EN: not on the flood risk listSL1 7EP: not on the flood risk listSL1 7EQ: not on the flood risk listSL1 7ER: not on the flood risk listSL1 7ES: not on the flood risk listSL1 7ET: not on the flood risk listSL1 7EU: not on the flood risk listSL1 7EW: not on the flood risk listSL1 7EY: not on the flood risk listSL1 7HA: not on the flood risk listSL1 7HB: not on the flood risk listSL1 7HD: not on the flood risk listSL1 7HE: not on the flood risk listSL1 7HF: not on the flood risk listSL1 7HG: not on the flood risk listSL1 7HH: not on the flood risk listSL1 7HJ: not on the flood risk listSL1 7HL: not on the flood risk listSL1 7HN: not on the flood risk listSL1 7HP: not on the flood risk listSL1 7HQ: not on the flood risk listSL1 7HR: not on the flood risk listSL1 7HS: not on the flood risk listSL1 7HT: not on the flood risk listSL1 7HU: not on the flood risk listSL1 7HX: not on the flood risk listSL1 7HZ: not on the flood risk listSL1 7JA: not on the flood risk listSL1 7JB: not on the flood risk listSL1 7JD: not on the flood risk listSL1 7JH: not on the flood risk listSL1 7JL: not on the flood risk listSL1 7JN: not on the flood risk listSL1 7JP: not on the flood risk listSL1 7JT: not on the flood risk listSL1 7JX: not on the flood risk listSL1 7JZ: not on the flood risk listSL1 7LD: not on the flood risk listSL1 7LP: not on the flood risk listSL1 7LR: not on the flood risk listSL1 7LW: not on the flood risk listSL1 7LX: not on the flood risk listSL1 7LY: not on the flood risk listSL1 7NA: not on the flood risk listSL1 7NB: not on the flood risk listSL1 7NG: not on the flood risk listSL1 7NJ: not on the flood risk listSL1 7NL: not on the flood risk listSL1 7NN: not on the flood risk listSL1 7NP: not on the flood risk listSL1 7NQ: not on the flood risk listSL1 7NU: not on the flood risk listSL1 7NW: not on the flood risk listSL1 7NX: not on the flood risk listSL1 7NY: not on the flood risk listSL1 7NZ: not on the flood risk listSL1 7PA: not on the flood risk listSL1 7PB: not on the flood risk listSL1 7PE: not on the flood risk listSL1 7PF: not on the flood risk listSL1 7PW: not on the flood risk listSL1 7AP: low flood risk at worstSL1 7LT: low flood risk at worstSL1 7NF: low flood risk at worstSL1 7PH: low flood risk at worstSL1 7PL: low flood risk at worstSL1 7PN: low flood risk at worstSL1 7PP: low flood risk at worstSL1 7ND: high flood riskSL1 7NE: high flood riskSL1 7NH: high flood risk Burnham Map of every postcode in the SL1 7 sector, by flood risk Of the 127 postcodes in the SL1 7 sector that ONS places, 3 have a home or business at high risk, 7 are at low risk at worst and 117 are not on the Environment Agency's at-risk list. Places named: Burnham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Burnham
  • A home or business at high risk: 3
  • At medium risk at worst: 0
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 117

Of the 127 postcodes in the SL1 7 sector that ONS places, 3 have a home or business at high risk, 7 are at low risk at worst and 117 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. 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; 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

SL1 7ND4 at high riskSL1 7NH4 at high riskSL1 7NE2 at high risk

What do homes sell for in SL1 7?

Homes in SL1 7 sold for a typical £547,500 in the 12 months to August 2026, across 40 sales, up 2.1% on the 12 months before, HM Land Registry's figures show.

£547,500 typical price, the 12 months to August 2026
£536,500 12 months to August 2025
▲ up 2.1% on the 12 months before
  • Detached £725,000 9 sales
  • Semi-detached £572,500 17 sales
  • Terraced £400,000 10 sales
  • 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 7. 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 7

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 7AASL1 7ABSL1 7ADSL1 7AESL1 7AFSL1 7AGSL1 7AHSL1 7ALSL1 7ANSL1 7APSL1 7AQSL1 7ARSL1 7ASSL1 7ATSL1 7AUSL1 7AWSL1 7AXSL1 7AYSL1 7AZSL1 7BBSL1 7BDSL1 7BESL1 7BFSL1 7BGSL1 7BHSL1 7BLSL1 7BNSL1 7BQSL1 7BWSL1 7DASL1 7DBSL1 7DDSL1 7DESL1 7DFSL1 7DGSL1 7DHSL1 7DJSL1 7DLSL1 7DNSL1 7DPSL1 7DQSL1 7DRSL1 7DSSL1 7DTSL1 7DUSL1 7DWSL1 7DXSL1 7DYSL1 7DZSL1 7EASL1 7EBSL1 7EDSL1 7EESL1 7EFSL1 7EGSL1 7EHSL1 7ELSL1 7ENSL1 7EPSL1 7EQSL1 7ERSL1 7ESSL1 7ETSL1 7EUSL1 7EWSL1 7EYSL1 7HASL1 7HBSL1 7HDSL1 7HESL1 7HFSL1 7HGSL1 7HHSL1 7HJSL1 7HLSL1 7HNSL1 7HPSL1 7HQSL1 7HRSL1 7HSSL1 7HTSL1 7HUSL1 7HXSL1 7HZSL1 7JASL1 7JBSL1 7JDSL1 7JHSL1 7JLSL1 7JNSL1 7JPSL1 7JTSL1 7JXSL1 7JZSL1 7LDSL1 7LPSL1 7LRSL1 7LTSL1 7LWSL1 7LXSL1 7LYSL1 7NASL1 7NBSL1 7NDSL1 7NESL1 7NFSL1 7NGSL1 7NHSL1 7NJSL1 7NLSL1 7NNSL1 7NPSL1 7NQSL1 7NUSL1 7NWSL1 7NXSL1 7NYSL1 7NZSL1 7PASL1 7PBSL1 7PESL1 7PFSL1 7PHSL1 7PLSL1 7PNSL1 7PPSL1 7PW

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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