TW1 3 postcode sector in the TW1 district

TW1 3 is a sector of the TW1 district: every postcode that starts TW1 3. It has 122 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 TW1 3 sector, by gigabit broadband

Map of every postcode in the TW1 3 sector, by gigabit broadband Of the 122 postcodes in the TW1 3 sector that ONS places, 4 have no home or business that can get gigabit, 27 have some that can, 87 can all get it and 4 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Richmond upon Thames. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A305A3004 TW1 3AA: no Ofcom figureTW1 3BW: no Ofcom figureTW1 3AB: gigabit for allTW1 3AD: gigabit for allTW1 3AF: gigabit for allTW1 3AG: gigabit for allTW1 3AH: gigabit for allTW1 3AJ: gigabit for allTW1 3AL: gigabit for allTW1 3AN: gigabit for allTW1 3AP: gigabit for allTW1 3AQ: gigabit for allTW1 3AR: gigabit for allTW1 3AS: gigabit for allTW1 3AT: gigabit for allTW1 3AU: gigabit for allTW1 3AX: gigabit for allTW1 3AY: gigabit for allTW1 3BA: gigabit for allTW1 3BE: gigabit for allTW1 3BF: gigabit for allTW1 3BH: gigabit for allTW1 3BZ: gigabit for allTW1 3DA: gigabit for allTW1 3DB: gigabit for allTW1 3DD: gigabit for allTW1 3DE: gigabit for allTW1 3DF: gigabit for allTW1 3DG: gigabit for allTW1 3DH: gigabit for allTW1 3DJ: gigabit for allTW1 3DL: gigabit for allTW1 3DN: gigabit for allTW1 3DP: gigabit for allTW1 3DQ: gigabit for allTW1 3DS: gigabit for allTW1 3DU: gigabit for allTW1 3DX: gigabit for allTW1 3EA: gigabit for allTW1 3EH: gigabit for allTW1 3EL: gigabit for allTW1 3EN: gigabit for allTW1 3EP: gigabit for allTW1 3EQ: gigabit for allTW1 3ER: gigabit for allTW1 3ES: gigabit for allTW1 3EU: gigabit for allTW1 3EW: gigabit for allTW1 3EX: gigabit for allTW1 3HB: gigabit for allTW1 3HD: gigabit for allTW1 3HG: gigabit for allTW1 3HH: gigabit for allTW1 3HJ: gigabit for allTW1 3HN: gigabit for allTW1 3HP: gigabit for allTW1 3HQ: gigabit for allTW1 3HR: gigabit for allTW1 3HS: gigabit for allTW1 3HT: gigabit for allTW1 3HW: gigabit for allTW1 3HX: gigabit for allTW1 3HY: gigabit for allTW1 3JA: gigabit for allTW1 3JB: gigabit for allTW1 3JD: gigabit for allTW1 3JS: gigabit for allTW1 3JT: gigabit for allTW1 3JU: gigabit for allTW1 3JZ: gigabit for allTW1 3LD: gigabit for allTW1 3LJ: gigabit for allTW1 3LP: gigabit for allTW1 3LS: gigabit for allTW1 3ND: gigabit for allTW1 3NF: gigabit for allTW1 3NG: gigabit for allTW1 3NH: gigabit for allTW1 3NX: gigabit for allTW1 3NZ: gigabit for allTW1 3PB: gigabit for allTW1 3RJ: gigabit for allTW1 3RP: gigabit for allTW1 3RZ: gigabit for allTW1 3SH: gigabit for allTW1 3SP: gigabit for allTW1 3SY: gigabit for allTW1 3SZ: gigabit for allTW1 3AE: some gigabitTW1 3AW: some gigabitTW1 3BB: some gigabitTW1 3BJ: some gigabitTW1 3BL: some gigabitTW1 3DR: some gigabitTW1 3DT: some gigabitTW1 3DY: some gigabitTW1 3EE: some gigabitTW1 3EG: some gigabitTW1 3EJ: some gigabitTW1 3HE: some gigabitTW1 3HU: some gigabitTW1 3JF: some gigabitTW1 3NJ: some gigabitTW1 3NP: some gigabitTW1 3NR: some gigabitTW1 3NS: some gigabitTW1 3NU: some gigabitTW1 3NY: some gigabitTW1 3PA: some gigabitTW1 3QS: some gigabitTW1 3RR: some gigabitTW1 3SD: some gigabitTW1 3SG: some gigabitTW1 3SN: some gigabitTW1 3SX: some gigabitTW1 3DW: no gigabitTW1 3NE: no gigabitTW1 3NN: no gigabitTW1 3SE: no gigabit Richmond upon Thames Map of every postcode in the TW1 3 sector, by gigabit broadband Of the 122 postcodes in the TW1 3 sector that ONS places, 4 have no home or business that can get gigabit, 27 have some that can, 87 can all get it and 4 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Richmond upon Thames. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A305 Richmond upon Thames
  • No home or business can get gigabit: 4
  • Some can get gigabit: 27
  • Every home and business can get gigabit: 87
  • Ofcom gives no figure: 4

Of the 122 postcodes in the TW1 3 sector that ONS places, 4 have no home or business that can get gigabit, 27 have some that can, 87 can all get it and 4 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. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

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

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.

What do homes sell for in TW1 3?

Homes in TW1 3 sold for a typical £707,000 in the 12 months to September 2026, across 58 sales, HM Land Registry's figures show. The 12 months before gave £605,000 from 86 sales: not a change larger than chance would explain, given which homes happened to sell.

£707,000 typical price, the 12 months to September 2026
£605,000 12 months to September 2025
  • Detached 3 sales, too few to price
  • Semi-detached £1,692,500 8 sales
  • Terraced £1,125,000 20 sales
  • Flat or maisonette £400,000 27 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 TW1 3. 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.

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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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