L17 3 postcode sector in the L17 district

L17 3 is a sector of the L17 district: every postcode that starts L17 3. It has 35 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 L17 3 sector, by gigabit broadband

Map of every postcode in the L17 3 sector, by gigabit broadband Of the 35 postcodes in the L17 3 sector that ONS places, 8 have some that can, 25 can all get it and 2 have no Ofcom figure. Places named: Arundel, Sefton Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5089 L17 3WU: no Ofcom figureL17 3AD: gigabit for allL17 3AG: gigabit for allL17 3AR: gigabit for allL17 3AS: gigabit for allL17 3AT: gigabit for allL17 3AU: gigabit for allL17 3AX: gigabit for allL17 3AY: gigabit for allL17 3AZ: gigabit for allL17 3BA: gigabit for allL17 3BB: gigabit for allL17 3BD: gigabit for allL17 3BE: gigabit for allL17 3BG: gigabit for allL17 3BH: gigabit for allL17 3BL: gigabit for allL17 3BP: gigabit for allL17 3BQ: gigabit for allL17 3BT: gigabit for allL17 3BU: gigabit for allL17 3DA: gigabit for allL17 3DB: gigabit for allL17 3DQ: gigabit for allL17 3AA: some gigabitL17 3AF: some gigabitL17 3AH: some gigabitL17 3AL: some gigabitL17 3AN: some gigabitL17 3AW: some gigabitL17 3BX: some gigabitL17 3BY: some gigabit ArundelSefton Park Map of every postcode in the L17 3 sector, by gigabit broadband Of the 35 postcodes in the L17 3 sector that ONS places, 8 have some that can, 25 can all get it and 2 have no Ofcom figure. Places named: Arundel, Sefton Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A5089 ArundelSefton Park
  • No home or business can get gigabit: 0
  • Some can get gigabit: 8
  • Every home and business can get gigabit: 25
  • Ofcom gives no figure: 2

Of the 35 postcodes in the L17 3 sector that ONS places, 8 have some that can, 25 can all get it and 2 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. 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.

What do homes sell for in L17 3?

Homes in L17 3 sold for a typical £194,750 in the 12 months to September 2026, across 19 sales, HM Land Registry's figures show. The 12 months before gave £185,750 from 16 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£194,750 typical price, the 12 months to September 2026
£185,750 12 months to September 2025
  • Semi-detached 2 sales, too few to price
  • Terraced 2 sales, too few to price
  • Flat or maisonette £180,000 15 sales

Standard sales of homes at market value at the postcodes that start L17 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.

Postcodes in L17 3

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.

L17 3AAL17 3ADL17 3AFL17 3AGL17 3AHL17 3AJL17 3ALL17 3ANL17 3AQL17 3ARL17 3ASL17 3ATL17 3AUL17 3AWL17 3AXL17 3AYL17 3AZL17 3BAL17 3BBL17 3BDL17 3BEL17 3BGL17 3BHL17 3BLL17 3BPL17 3BQL17 3BTL17 3BUL17 3BXL17 3BYL17 3DAL17 3DBL17 3DQL17 3WUL17 3WZ

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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