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, and which are new since 2020

Map of every postcode in the LL56 4 sector, by new since 2020 Of the 74 postcodes in the LL56 4 sector that ONS places, 1 are new since 2020 and 73 were in use before 2020. Places named: Y Felinheli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A487 LL56 4AB: before 2020LL56 4HJ: before 2020LL56 4HQ: before 2020LL56 4HX: before 2020LL56 4JA: before 2020LL56 4JB: before 2020LL56 4JD: before 2020LL56 4JE: before 2020LL56 4JF: before 2020LL56 4JG: before 2020LL56 4JJ: before 2020LL56 4JN: before 2020LL56 4JP: before 2020LL56 4JQ: before 2020LL56 4JR: before 2020LL56 4JS: before 2020LL56 4JT: before 2020LL56 4JU: before 2020LL56 4JW: before 2020LL56 4JX: before 2020LL56 4JY: before 2020LL56 4JZ: before 2020LL56 4LY: before 2020LL56 4NJ: before 2020LL56 4NQ: before 2020LL56 4NX: before 2020LL56 4NY: before 2020LL56 4NZ: before 2020LL56 4PA: before 2020LL56 4PB: before 2020LL56 4PD: before 2020LL56 4PE: before 2020LL56 4PF: before 2020LL56 4PJ: before 2020LL56 4PZ: before 2020LL56 4QA: before 2020LL56 4QB: before 2020LL56 4QD: before 2020LL56 4QE: before 2020LL56 4QF: before 2020LL56 4QG: before 2020LL56 4QJ: before 2020LL56 4QL: before 2020LL56 4QN: before 2020LL56 4QP: before 2020LL56 4QQ: before 2020LL56 4QS: before 2020LL56 4QT: before 2020LL56 4QU: before 2020LL56 4QW: before 2020LL56 4QX: before 2020LL56 4QY: before 2020LL56 4QZ: before 2020LL56 4RQ: before 2020LL56 4RX: before 2020LL56 4RZ: before 2020LL56 4SJ: before 2020LL56 4SQ: before 2020LL56 4SX: before 2020LL56 4SZ: before 2020LL56 4TJ: before 2020LL56 4TQ: before 2020LL56 4TX: before 2020LL56 4TZ: before 2020LL56 4UJ: before 2020LL56 4UQ: before 2020LL56 4UX: before 2020LL56 4UZ: before 2020LL56 4XA: before 2020LL56 4XD: before 2020LL56 4YJ: before 2020LL56 4YQ: before 2020LL56 4AA: new since 2020 Y Felinheli Map of every postcode in the LL56 4 sector, by new since 2020 Of the 74 postcodes in the LL56 4 sector that ONS places, 1 are new since 2020 and 73 were in use before 2020. Places named: Y Felinheli. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Y Felinheli
  • New since 2020: 1
  • In use before 2020: 73

Of the 74 postcodes in the LL56 4 sector that ONS places, 1 are new since 2020 and 73 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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 newest postcode

LL56 4AAMarch 2026

What do homes sell for in LL56 4?

Homes in LL56 4 sold for a typical £217,500 in the 12 months to August 2026, across 34 sales, down 1.1% on the 12 months before, HM Land Registry's figures show.

£217,500 typical price, the 12 months to August 2026
£220,000 12 months to August 2025
▼ down 1.1% on the 12 months before
  • Detached £447,500 8 sales
  • Semi-detached £185,000 7 sales
  • Terraced £186,000 15 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 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 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 LL56 4

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.

LL56 4AALL56 4ABLL56 4HJLL56 4HQLL56 4HXLL56 4JALL56 4JBLL56 4JDLL56 4JELL56 4JFLL56 4JGLL56 4JHLL56 4JJLL56 4JNLL56 4JPLL56 4JQLL56 4JRLL56 4JSLL56 4JTLL56 4JULL56 4JWLL56 4JXLL56 4JYLL56 4JZLL56 4LYLL56 4NJLL56 4NQLL56 4NXLL56 4NYLL56 4NZLL56 4PALL56 4PBLL56 4PDLL56 4PELL56 4PFLL56 4PJLL56 4PZLL56 4QALL56 4QBLL56 4QDLL56 4QELL56 4QFLL56 4QGLL56 4QJLL56 4QLLL56 4QNLL56 4QPLL56 4QQLL56 4QSLL56 4QTLL56 4QULL56 4QWLL56 4QXLL56 4QYLL56 4QZLL56 4RQLL56 4RXLL56 4RZLL56 4SJLL56 4SQLL56 4SXLL56 4SZLL56 4TJLL56 4TQLL56 4TXLL56 4TZLL56 4UJLL56 4UQLL56 4UXLL56 4UZLL56 4XALL56 4XDLL56 4YJLL56 4YQ

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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