LL40 postcode district: Dolgellau and around, Gwynedd

LL40 is a postcode district in Wales, with 354 postcodes in use in 2 sectors. It has postcodes in Dolgellau. Its council is Gwynedd.

Postcodes in use: 354
Sectors: 2
Council: Gwynedd
Places: Dolgellau

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

Every postcode in LL40, and which are new since 2020

New since 2020: 1
In use before 2020: 353

Of the 354 postcodes in LL40 that ONS places, 1 are new since 2020 and 353 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 52.7570, longitude -3.8747. 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

LL40 2DRApril 2021

What broadband can you get in LL40?

Ofcom reports on 352 of the 354 postcodes in LL40. At 116 of them every home and business can get gigabit broadband, and at 21 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit116 of 352

Postcodes where every home can get superfast240 of 352

Postcodes where some cannot get decent broadband21 of 352

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 LL40?

Homes in LL40 sold for a typical £176,500 in the 12 months to August 2026, across 45 sales, down 11.7% on the 12 months before, HM Land Registry's figures show.

£176,500 typical price, the 12 months to August 2026

£200,000 12 months to August 2025

▼ down 11.7% on the 12 months before

Detached £280,000 15 sales
Semi-detached £246,000 5 sales
Terraced £152,500 20 sales
Flat or maisonette £107,000 5 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