LL56 4 postcode sector in the LL56 district

LL56 4 is a sector of the LL56 district: every postcode that starts LL56 4. It has 74 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the LL56 4 sector, by gigabit broadband

Map of every postcode in the LL56 4 sector, by gigabit broadband Of the 74 postcodes in the LL56 4 sector that ONS places, 3 have no home or business that can get gigabit, 19 have some that can, 51 can all get it and 1 have no Ofcom figure. Places named: Y Felinheli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A487 LL56 4AA: no Ofcom figureLL56 4AB: gigabit for allLL56 4HJ: gigabit for allLL56 4HQ: gigabit for allLL56 4HX: gigabit for allLL56 4JA: gigabit for allLL56 4JB: gigabit for allLL56 4JE: gigabit for allLL56 4JF: gigabit for allLL56 4JG: gigabit for allLL56 4JJ: gigabit for allLL56 4JP: gigabit for allLL56 4JQ: gigabit for allLL56 4JR: gigabit for allLL56 4JS: gigabit for allLL56 4JT: gigabit for allLL56 4JW: gigabit for allLL56 4JY: gigabit for allLL56 4JZ: gigabit for allLL56 4LY: gigabit for allLL56 4NJ: gigabit for allLL56 4NX: gigabit for allLL56 4PB: gigabit for allLL56 4PD: gigabit for allLL56 4PE: gigabit for allLL56 4PF: gigabit for allLL56 4PJ: gigabit for allLL56 4PZ: gigabit for allLL56 4QA: gigabit for allLL56 4QL: gigabit for allLL56 4QP: gigabit for allLL56 4QQ: gigabit for allLL56 4QS: gigabit for allLL56 4QT: gigabit for allLL56 4QX: gigabit for allLL56 4QY: gigabit for allLL56 4RQ: gigabit for allLL56 4RX: gigabit for allLL56 4SJ: gigabit for allLL56 4SQ: gigabit for allLL56 4SZ: gigabit for allLL56 4TJ: gigabit for allLL56 4TQ: gigabit for allLL56 4TX: gigabit for allLL56 4TZ: gigabit for allLL56 4UJ: gigabit for allLL56 4UQ: gigabit for allLL56 4UX: gigabit for allLL56 4XA: gigabit for allLL56 4YJ: gigabit for allLL56 4YQ: gigabit for allLL56 4JD: some gigabitLL56 4JN: some gigabitLL56 4JX: some gigabitLL56 4NQ: some gigabitLL56 4NY: some gigabitLL56 4NZ: some gigabitLL56 4PA: some gigabitLL56 4QB: some gigabitLL56 4QD: some gigabitLL56 4QE: some gigabitLL56 4QF: some gigabitLL56 4QG: some gigabitLL56 4QJ: some gigabitLL56 4QU: some gigabitLL56 4QZ: some gigabitLL56 4RZ: some gigabitLL56 4SX: some gigabitLL56 4UZ: some gigabitLL56 4XD: some gigabitLL56 4JU: no gigabitLL56 4QN: no gigabitLL56 4QW: no gigabit Y Felinheli Map of every postcode in the LL56 4 sector, by gigabit broadband Of the 74 postcodes in the LL56 4 sector that ONS places, 3 have no home or business that can get gigabit, 19 have some that can, 51 can all get it and 1 have no Ofcom figure. Places named: Y Felinheli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Y Felinheli
  • No home or business can get gigabit: 3
  • Some can get gigabit: 19
  • Every home and business can get gigabit: 51
  • Ofcom gives no figure: 1

Of the 74 postcodes in the LL56 4 sector that ONS places, 3 have no home or business that can get gigabit, 19 have some that can, 51 can all get it and 1 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

What do homes sell for in LL56 4?

Homes in LL56 4 sold for a typical £186,000 in the 12 months to September 2026, across 37 sales, HM Land Registry's figures show. The 12 months before gave £230,000 from 54 sales: not a change larger than chance would explain, given which homes happened to sell.

£186,000 typical price, the 12 months to September 2026
£230,000 12 months to September 2025
  • Detached £385,000 8 sales
  • Semi-detached £185,000 7 sales
  • Terraced £183,000 16 sales
  • Flat or maisonette £102,500 6 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 LL56 4. 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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