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, by gigabit broadband

Map of every postcode in LL42, by gigabit broadband Of the 151 postcodes in LL42 that ONS places, 111 have no home or business that can get gigabit, 24 have some that can, 14 can all get it and 2 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 87 postcodes without gigabit; 6 postcodes without gigabit; 6 postcodes without gigabit. Places named: Barmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A493 LL42 1EQ: gigabit for allLL42 1PN: gigabit for allLL42 1PP: gigabit for allLL42 1PT: gigabit for allLL42 1TE: gigabit for allLL42 1TF: gigabit for allLL42 1TG: gigabit for allLL42 1TH: gigabit for allLL42 1TL: gigabit for allLL42 1TN: gigabit for allLL42 1AE: some gigabitLL42 1AJ: some gigabitLL42 1AZ: some gigabitLL42 1DF: some gigabitLL42 1DX: some gigabitLL42 1DZ: some gigabitLL42 1LU: some gigabitLL42 1LX: some gigabitLL42 1NA: some gigabitLL42 1NF: some gigabitLL42 1NW: some gigabitLL42 1PL: some gigabitLL42 1RR: some gigabitLL42 1SU: some gigabitLL42 1TB: some gigabitLL42 1AD: some gigabitLL42 1NN: some gigabitLL42 1AG: no gigabitLL42 1AL: no gigabitLL42 1AP: no gigabitLL42 1AQ: no gigabitLL42 1AR: no gigabitLL42 1AT: no gigabitLL42 1BA: no gigabitLL42 1BD: no gigabitLL42 1BF: no gigabitLL42 1BJ: no gigabitLL42 1BL: no gigabitLL42 1BN: no gigabitLL42 1BQ: no gigabitLL42 1BU: no gigabitLL42 1BW: no gigabitLL42 1BX: no gigabitLL42 1DD: no gigabitLL42 1DE: no gigabitLL42 1DJ: no gigabitLL42 1DL: no gigabitLL42 1DN: no gigabitLL42 1DQ: no gigabitLL42 1DS: no gigabitLL42 1DT: no gigabitLL42 1EE: no gigabitLL42 1EF: no gigabitLL42 1EL: no gigabitLL42 1EN: no gigabitLL42 1EP: no gigabitLL42 1ER: no gigabitLL42 1ES: no gigabitLL42 1ET: no gigabitLL42 1EU: no gigabitLL42 1EW: no gigabitLL42 1HB: no gigabitLL42 1HD: no gigabitLL42 1HH: no gigabitLL42 1HL: no gigabitLL42 1HP: no gigabitLL42 1HR: no gigabitLL42 1HU: no gigabitLL42 1HW: no gigabitLL42 1HY: no gigabitLL42 1LA: no gigabitLL42 1LB: no gigabitLL42 1LD: no gigabitLL42 1LE: no gigabitLL42 1LF: no gigabitLL42 1LG: no gigabitLL42 1LR: no gigabitLL42 1LS: no gigabitLL42 1LY: no gigabitLL42 1LZ: no gigabitLL42 1NE: no gigabitLL42 1NG: no gigabitLL42 1NH: no gigabitLL42 1NR: no gigabitLL42 1NS: no gigabitLL42 1NY: no gigabitLL42 1PA: no gigabitLL42 1PD: no gigabitLL42 1PE: no gigabitLL42 1PG: no gigabitLL42 1PR: no gigabitLL42 1PS: no gigabitLL42 1RB: no gigabitLL42 1RD: no gigabitLL42 1RE: no gigabitLL42 1RF: no gigabitLL42 1RL: no gigabitLL42 1RN: no gigabitLL42 1RW: no gigabitLL42 1TD: no gigabitLL42 1YA: no gigabitLL42 1YF: no gigabitLL42 1YG: no gigabitLL42 1YN: no gigabitLL42 1YP: no gigabitLL42 1YR: no gigabitLL42 1YS: no gigabitLL42 1YT: no gigabitLL42 1YU: no gigabitLL42 1YY: no gigabitLL42 1LP: no gigabitLL42 1DW: no gigabitLL42 1HG: no gigabitLL42 1NQ: no gigabit Barmouth 87 postcodes without gigabit, outlined: this goes to LL42 1NY, the one nearest the middle of them87 postcodes without gigabit6 postcodes without gigabit, outlined: this goes to LL42 1YU, the one nearest the middle of them6 postcodes without gigabit6 postcodes without gigabit, outlined: this goes to LL42 1YG, the one nearest the middle of them6 postcodes without gigabit Map of every postcode in LL42, by gigabit broadband Of the 151 postcodes in LL42 that ONS places, 111 have no home or business that can get gigabit, 24 have some that can, 14 can all get it and 2 have no Ofcom figure. 3 groups of postcodes without gigabit are outlined: 87 postcodes without gigabit; 6 postcodes without gigabit; 6 postcodes without gigabit. Places named: Barmouth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A493 Barmouth 6 postcodes without gigabit, outlined: this goes to LL42 1YU, the one nearest the middle of them6 postcodes without gigabit6 postcodes without gigabit, outlined: this goes to LL42 1YG, the one nearest the middle of them6 postcodes without gigabit
  • No home or business can get gigabit: 111
  • Some can get gigabit: 24
  • Every home and business can get gigabit: 14
  • Ofcom gives no figure: 2
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 151 postcodes in LL42 that ONS places, 111 have no home or business that can get gigabit, 24 have some that can, 14 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

111 postcodes here have no gigabit. These are the 12 first in postcode order.

LL42 1AGLL42 1ALLL42 1APLL42 1AQLL42 1ARLL42 1ASLL42 1ATLL42 1AULL42 1AYLL42 1BALL42 1BDLL42 1BE

Where the postcodes without gigabit lie together

  • 87 postcodes without gigabit, outlined on the map. LL42 1NY, is the one nearest the middle of them.
  • 6 postcodes without gigabit, outlined on the map. LL42 1YU, is the one nearest the middle of them.
  • 6 postcodes without gigabit, outlined on the map. LL42 1YG, is the one nearest the middle of them.

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

Postcodes in LL42

Pick a sector, then a postcode. A sector is the district plus the next digit.

LL42 1151 postcodes
UK postcode format explained

Places in LL42

Towns and villages with postcodes in LL42, and how many each has here.

Barmouth postcodes,139

Who covers LL42

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Dwyfor Meirionnydd151

Police force areas

  • North Wales151

Next to LL42

LL41 postcode district LL43 postcode district All LL districts Barmouth postcodes

"Next to" is by number: the districts before and after LL42 in the LL area.

Check a postcode

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