LL56 postcode district: Y Felinheli and around, Gwynedd

LL56 is a postcode district in Wales, with 74 postcodes in use in 1 sector. It has postcodes in Y Felinheli. Its council is Gwynedd.

Postcodes in use: 74
Sectors: 1
Council: Gwynedd
Places: Y Felinheli

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in LL56, and which are new since 2020

New since 2020: 1
In use before 2020: 73

Of the 74 postcodes in LL56 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.

The middle of its postcodes: latitude 53.1843, longitude -4.2060. Open this area on OpenStreetMap

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 broadband can you get in LL56?

Ofcom reports on 73 of the 74 postcodes in LL56. At 51 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit51 of 73

Postcodes where every home can get superfast62 of 73

Postcodes where some cannot get decent broadband1 of 73

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

What do homes sell for in LL56?

Homes in LL56 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. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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