LL42 postcode district: Barmouth and around, Gwynedd

LL42 is a postcode district in Wales, with 151 postcodes in use in 1 sector. It has postcodes in Barmouth. Its council is Gwynedd.

Postcodes in use: 151
Sectors: 1
Council: Gwynedd
Places: Barmouth

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

Every postcode in LL42, and which are new since 2020

New since 2020: 3
In use before 2020: 148

Of the 151 postcodes in LL42 that ONS places, 3 are new since 2020 and 148 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 52.7258, longitude -4.0554. 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 3 newest postcodes

LL42 1DRAugust 2022 LL42 1BFApril 2022 LL42 1APJuly 2021

What broadband can you get in LL42?

Ofcom reports on 149 of the 151 postcodes in LL42. At 14 of them every home and business can get gigabit broadband, and at 2 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit14 of 149

Postcodes where every home can get superfast133 of 149

Postcodes where some cannot get decent broadband2 of 149

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 LL42?

Homes in LL42 sold for a typical £200,000 in the 12 months to August 2026, across 33 sales, no change on the 12 months before, HM Land Registry's figures show.

£200,000 typical price, the 12 months to August 2026

£200,000 12 months to August 2025

■ no change on the 12 months before

Detached £392,500 8 sales
Semi-detached £197,498 6 sales
Terraced £180,000 9 sales
Flat or maisonette £158,500 10 sales

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