SW1W 9 postcode sector in the SW1W district

SW1W 9 is a sector of the SW1W district: every postcode that starts SW1W 9. It has 110 postcodes in use, 9 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 SW1W 9 sector, by gigabit broadband

Map of every postcode in the SW1W 9 sector, by gigabit broadband Of the 110 postcodes in the SW1W 9 sector that ONS places, 14 have no home or business that can get gigabit, 37 have some that can, 54 can all get it and 5 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 7 postcodes without gigabit; 6 postcodes without gigabit. Places named: Knightsbridge & Belgravia. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3212A3216A302A3205 SW1W 9AD: no Ofcom figureSW1W 9AX: no Ofcom figureSW1W 9TN: no Ofcom figureSW1W 9XA: no Ofcom figureSW1W 9AG: gigabit for allSW1W 9AH: gigabit for allSW1W 9AL: gigabit for allSW1W 9AP: gigabit for allSW1W 9AQ: gigabit for allSW1W 9AR: gigabit for allSW1W 9AS: gigabit for allSW1W 9AW: gigabit for allSW1W 9AZ: gigabit for allSW1W 9BA: gigabit for allSW1W 9BJ: gigabit for allSW1W 9DB: gigabit for allSW1W 9DD: gigabit for allSW1W 9DP: gigabit for allSW1W 9DS: gigabit for allSW1W 9DU: gigabit for allSW1W 9DY: gigabit for allSW1W 9EA: gigabit for allSW1W 9EF: gigabit for allSW1W 9EG: gigabit for allSW1W 9EN: gigabit for allSW1W 9EQ: gigabit for allSW1W 9ER: gigabit for allSW1W 9ES: gigabit for allSW1W 9ET: gigabit for allSW1W 9HH: gigabit for allSW1W 9HJ: gigabit for allSW1W 9HP: gigabit for allSW1W 9HS: gigabit for allSW1W 9JA: gigabit for allSW1W 9JD: gigabit for allSW1W 9JF: gigabit for allSW1W 9JL: gigabit for allSW1W 9JR: gigabit for allSW1W 9LS: gigabit for allSW1W 9LT: gigabit for allSW1W 9NP: gigabit for allSW1W 9NS: gigabit for allSW1W 9NY: gigabit for allSW1W 9PA: gigabit for allSW1W 9PB: gigabit for allSW1W 9PG: gigabit for allSW1W 9PJ: gigabit for allSW1W 9PY: gigabit for allSW1W 9RH: gigabit for allSW1W 9SA: gigabit for allSW1W 9SX: gigabit for allSW1W 9TB: gigabit for allSW1W 9TJ: gigabit for allSW1W 9TP: gigabit for allSW1W 9TQ: gigabit for allSW1W 9UD: gigabit for allSW1W 9AA: some gigabitSW1W 9BE: some gigabitSW1W 9BQ: some gigabitSW1W 9DA: some gigabitSW1W 9DE: some gigabitSW1W 9DF: some gigabitSW1W 9DH: some gigabitSW1W 9EH: some gigabitSW1W 9EL: some gigabitSW1W 9HR: some gigabitSW1W 9HT: some gigabitSW1W 9JB: some gigabitSW1W 9JE: some gigabitSW1W 9JH: some gigabitSW1W 9JJ: some gigabitSW1W 9LN: some gigabitSW1W 9LX: some gigabitSW1W 9NE: some gigabitSW1W 9NF: some gigabitSW1W 9NX: some gigabitSW1W 9NZ: some gigabitSW1W 9PP: some gigabitSW1W 9QA: some gigabitSW1W 9QD: some gigabitSW1W 9QJ: some gigabitSW1W 9QN: some gigabitSW1W 9QQ: some gigabitSW1W 9QU: some gigabitSW1W 9RB: some gigabitSW1W 9RP: some gigabitSW1W 9SJ: some gigabitSW1W 9SP: some gigabitSW1W 9ST: some gigabitSW1W 9TR: some gigabitSW1W 9BD: no gigabitSW1W 9BG: no gigabitSW1W 9EP: no gigabitSW1W 9JS: no gigabitSW1W 9JT: no gigabitSW1W 9JU: no gigabitSW1W 9JX: no gigabitSW1W 9ND: no gigabitSW1W 9NU: no gigabitSW1W 9PD: no gigabitSW1W 9PE: no gigabitSW1W 9QB: no gigabitSW1W 9QG: no gigabitSW1W 9SZ: no gigabit Knightsbridge & Belgravia 7 postcodes without gigabit, outlined: this goes to SW1W 9PE, the one nearest the middle of them7 postcodes without gigabit6 postcodes without gigabit, outlined: this goes to SW1W 9JX, the one nearest the middle of them6 postcodes without gigabit Map of every postcode in the SW1W 9 sector, by gigabit broadband Of the 110 postcodes in the SW1W 9 sector that ONS places, 14 have no home or business that can get gigabit, 37 have some that can, 54 can all get it and 5 have no Ofcom figure. 2 groups of postcodes without gigabit are outlined: 7 postcodes without gigabit; 6 postcodes without gigabit. Places named: Knightsbridge & Belgravia. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3212 Knightsbridge & Belgravia
  • No home or business can get gigabit: 14
  • Some can get gigabit: 37
  • Every home and business can get gigabit: 54
  • Ofcom gives no figure: 5
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 110 postcodes in the SW1W 9 sector that ONS places, 14 have no home or business that can get gigabit, 37 have some that can, 54 can all get it and 5 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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

14 postcodes here have no gigabit. These are the 12 first in postcode order.

Where the postcodes without gigabit lie together

What do homes sell for in SW1W 9?

Homes in SW1W 9 sold for a typical £1,950,000 in the 12 months to September 2026, across 23 sales, HM Land Registry's figures show. The 12 months before gave £2,950,000 from 36 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£1,950,000 typical price, the 12 months to September 2026
£2,950,000 12 months to September 2025
  • Terraced £2,869,500 10 sales
  • Flat or maisonette £925,000 13 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 SW1W 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.

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.

Check a postcode

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.

Something wrong on this page? Report an error and we will check it against the source. All our sources