LL18 postcode district: Rhyl and around

LL18 is a postcode district in Wales, with 1,223 postcodes in use in 7 sectors. It has postcodes in Rhyl, Kinmel Bay, Rhuddlan and 4 more places. It is split between 3 councils: Denbighshire (1,037 postcodes), Conwy (155) and Flintshire (31).

Postcodes in use: 1,223
Sectors: 7
Councils: 3 councils
Places: 7 places

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

Every postcode in LL18, and which are new since 2020

New since 2020: 30
In use before 2020: 1,193
Outline: where 5 or more new postcodes since 2020 lie together

Of the 1,223 postcodes in LL18 that ONS places, 30 are new since 2020 and 1,193 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. 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 53.3102, longitude -3.4758. 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 5 newest postcodes

LL18 9LFJuly 2026 LL18 5GBNovember 2025 LL18 2BFFebruary 2025 LL18 9JZFebruary 2025 LL18 4GNSeptember 2024

Where the new postcodes lie together

7 new postcodes since 2020, outlined on the map. LL18 9LF, is the newest of them.
6 new postcodes since 2020, outlined on the map. LL18 4GN, is the newest of them.

What broadband can you get in LL18?

Ofcom reports on 1,196 of the 1,223 postcodes in LL18. At 985 of them every home and business can get gigabit broadband, and at 5 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit985 of 1,196

Postcodes where every home can get superfast1,123 of 1,196

Postcodes where some cannot get decent broadband5 of 1,196

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 LL18?

Homes in LL18 sold for a typical £189,475 in the 12 months to August 2026, across 480 sales, up 4.1% on the 12 months before, HM Land Registry's figures show.

£189,475 typical price, the 12 months to August 2026

£182,000 12 months to August 2025

▲ up 4.1% on the 12 months before

Detached £220,000 257 sales
Semi-detached £176,500 149 sales
Terraced £150,000 53 sales
Flat or maisonette £91,000 21 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